tag:blogger.com,1999:blog-69203499208509515052024-03-14T18:38:53.462+02:00YO8RCDYO8RCD, operator Costin, QTH Barlad, KN36UF. Statie de radioamator, ham radio, hobby, tehnica, trafic radio, competitii, echipamente, rig, scheme si experimente electronice, manuale tehnice, software, informatii utile, comunitate, propagare. Constantin Rusuhttp://www.blogger.com/profile/12959087644397138179noreply@blogger.comBlogger504125tag:blogger.com,1999:blog-6920349920850951505.post-61184823555408219442024-03-13T21:13:00.001+02:002024-03-13T21:13:08.336+02:00Icom IC PW2<center>
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</center>Constantin Rusuhttp://www.blogger.com/profile/12959087644397138179noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-82989908795215265252024-03-13T01:58:00.003+02:002024-03-13T22:42:48.645+02:00Adafruit Si5351 - modificare<div><span style="font-size: large;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjkvBFlHcQPZ5btX2fAIWnAU3LuTWjlXlpZsAM_v6TFrIXSGg_B9wwhOmkEbSSjY9SpUV4N6iYc1692z_NQpT85cmtqmh630NDOcr4czNO2ObYB3IcRjLKxVcuTZ-pl06ifEA3g6XLvM7wPllrjckKQY9ygKyOysSiQqtdYpMCmnI6IGp-MMuoPHWoGAohz/s1360/Si5351.webp" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" data-original-height="1360" data-original-width="1360" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjkvBFlHcQPZ5btX2fAIWnAU3LuTWjlXlpZsAM_v6TFrIXSGg_B9wwhOmkEbSSjY9SpUV4N6iYc1692z_NQpT85cmtqmh630NDOcr4czNO2ObYB3IcRjLKxVcuTZ-pl06ifEA3g6XLvM7wPllrjckKQY9ygKyOysSiQqtdYpMCmnI6IGp-MMuoPHWoGAohz/s320/Si5351.webp" width="320" /></a></div><div style="text-align: justify;"><span style="font-size: large;">Modulul generator de radiofrecventa tip Adafruit Si5351, folosit in multe constructii radio pe post de oscilator local/VFO digital, foloseste un rezonator cu cuart cu frecventa de 25,00 MHz. In practica s-a constatat ca frecventa are o deriva termica accentuata in primele minute de functionare. Pe "cascada" SDR se poate observa usor aceasta fuga de frecventa. Pentru cresterea stabilitatii frecventei generate, Adam Rong, <a href="https://www.qrz.com/db/BD6CR" rel="nofollow" target="_blank">BD6CR</a>, propune inlocuirea rezonatorului cu un oscilator TXCO (oscilator cu cristal compensat in temperatură, precizia frecventei generate fiind de +/- 0,5ppm). Adam spune ca eroarea este de doar 2 ppm sau 28 Hz la 14 MHz, iar parametru de calibrare (in cazul ADX) foarte aproape de 0.</span><span face="Arial, Helvetica, sans-serif" style="background-color: white; color: #222222; font-size: small;"> </span><a href="https://crkits.com/" rel="nofollow" target="_blank">CRKits</a> <span>vinde module care contin aceasta modificare sau doar placuta cu TCXO</span><span>. Pretul ar fi rezonabil, dar trebuie sa luati in calcul si taxele care vor fi achitate la primirea coletului (CRKits nu colecteaza TVA).</span></div></span></div><div style="text-align: justify;"><span style="font-size: large;">Pentru cei cu indemanare, circuitul imprimat necesar se poate realiza (in zona in care este marcat modulul) prin gravare cu o freza mica sau chiar cu o scula aschietoarea construita dintr-o panza de fierastrau.</span></div><div style="text-align: justify;"><span style="font-size: large;"><br /></span></div><div style="text-align: justify;"><span style="font-size: large;">Placile disponibile la CRKits:</span></div><div style="text-align: justify;"><span style="font-size: large;"><br /></span></div><div style="text-align: justify;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi3VB-Vh49r2xrLoqli0VZwSfbnRn5u-kA0BZih3gfQIq2DL-D5-DGfHdxymUrSngjOj4YJgcjtTk_k01059bwMSR895Y7EfeXwyHapspLHRnueSEicjybHRCvTF0xIQ5QGQ7xneBuz_-QvEfGyev0sN33omKRBZjQVnMGW2k63DqTa3qOnFueAZbEmXRbw/s1031/Si5351%20modificat%20cu%20TCXO.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="660" data-original-width="1031" height="410" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi3VB-Vh49r2xrLoqli0VZwSfbnRn5u-kA0BZih3gfQIq2DL-D5-DGfHdxymUrSngjOj4YJgcjtTk_k01059bwMSR895Y7EfeXwyHapspLHRnueSEicjybHRCvTF0xIQ5QGQ7xneBuz_-QvEfGyev0sN33omKRBZjQVnMGW2k63DqTa3qOnFueAZbEmXRbw/w640-h410/Si5351%20modificat%20cu%20TCXO.jpg" width="640" /></a></div><br /><span style="font-size: large;">Daca ai nevoie de informatii suplimentare, lasa un comentariu.</span></div><div style="text-align: justify;"><span style="font-size: large;"><br /></span></div>Constantin Rusuhttp://www.blogger.com/profile/12959087644397138179noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-42598841034765279332024-03-12T02:53:00.005+02:002024-03-12T02:53:57.557+02:00RM Noise<p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://ournetplace.com/rm-noise/wp-content/uploads/2022/11/rmnoise-main2.jpg-1536x894.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="466" data-original-width="800" height="373" src="https://ournetplace.com/rm-noise/wp-content/uploads/2022/11/rmnoise-main2.jpg-1536x894.png" width="640" /></a></div><br /><div style="text-align: justify;"><span style="font-size: large;">Proiectul RM Noise folosește AI cu scopul de a elimina zgomotul din semnalele radio SSB sau CW. Sistemul a fost antrenat folosind înregistrări de zgomot care sunt adesea unice pentru fiecare configurație și locație. Programul client trimite ieșirea zgomotoasă a radioului către serverele AI, serverele elimină zgomotul în timp real și returnează sunetul înapoi clientului pentru ascultare.</span></div><p></p><div><span style="font-size: large;">Videoclipuri demo si informatii suplimentare pe <a href="https://ournetplace.com/rm-noise/" rel="nofollow" target="_blank">SURSA</a>.</span></div>Constantin Rusuhttp://www.blogger.com/profile/12959087644397138179noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-45814679557120120942024-03-11T00:47:00.000+02:002024-03-11T00:47:12.517+02:00Chirp - aplicatie software pentru programare statii radio<span style="font-size: large;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhcPliGtcgeFoQ5BCVo3bg7sW8xC_zjYsxCo79T4J51uMQmH71Lbm8GrSGW4nMPIbl8l-979kAewYKAkPFaAtbz6FOESVSRkUpPy5ZyKTfF3vqRiSE-mLxVEoMl7V8SPB81OSY2bLISSem9w-qXbKqrcdr-6XeZW6k6v_E4qNjHM69sb4eWvfiBDleGA1PX/s1824/screenshot-next.png" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" data-original-height="1424" data-original-width="1824" height="250" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhcPliGtcgeFoQ5BCVo3bg7sW8xC_zjYsxCo79T4J51uMQmH71Lbm8GrSGW4nMPIbl8l-979kAewYKAkPFaAtbz6FOESVSRkUpPy5ZyKTfF3vqRiSE-mLxVEoMl7V8SPB81OSY2bLISSem9w-qXbKqrcdr-6XeZW6k6v_E4qNjHM69sb4eWvfiBDleGA1PX/s320/screenshot-next.png" width="320" /></a></div><div><span style="font-size: large;"><br /></span></div><div><span style="font-size: large;"><br /></span></div><div><span style="font-size: large;"><br /></span></div><div><span style="font-size: large;"><br /></span></div><br /><div style="text-align: justify;">CHIRP este un instrument gratuit, open-source, pentru programarea radioului. Acceptă un număr mare de producători, modele.</div><div style="text-align: justify;">Descarca CHIRP de la <a href="https://chirpmyradio.com/projects/chirp/wiki/Download" rel="nofollow" target="_blank">ACEASTA ADRESA</a>.</div></span>Constantin Rusuhttp://www.blogger.com/profile/12959087644397138179noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-9460126023166992672024-03-10T18:21:00.006+02:002024-03-10T18:25:03.132+02:00Filtre digitale si analogice - software gratuit<div style="text-align: justify;"><span style="font-size: large;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGtosZTxLCrChsSLp8yq9oXlqxYxFn3YfAnXDECYb_mghwZi93LbXB5LhhDjoLoA7T9So9LcCmE1I3QNd-TiSsaLTct7s8AFMqN9hGYX9NJhae72WrBvcWCvY4_Wg7uWtJ3_XvpsC8yD4uwU_0laRotplAix2HuKAMfPKtPzCC0buMCP2ZgKvZqgzkiJ0/s837/RF.png" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" data-original-height="799" data-original-width="837" height="305" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGtosZTxLCrChsSLp8yq9oXlqxYxFn3YfAnXDECYb_mghwZi93LbXB5LhhDjoLoA7T9So9LcCmE1I3QNd-TiSsaLTct7s8AFMqN9hGYX9NJhae72WrBvcWCvY4_Wg7uWtJ3_XvpsC8yD4uwU_0laRotplAix2HuKAMfPKtPzCC0buMCP2ZgKvZqgzkiJ0/s320/RF.png" width="320" /></a></div><br /><br /></span></div><div style="text-align: justify;"><span style="font-size: large;"><br /></span></div><div style="text-align: justify;"><span style="font-size: large;"><br /></span></div><div style="text-align: justify;"><span style="font-size: large;"><br /></span></div><div style="text-align: justify;"><span style="font-size: large;"><br /></span></div><div style="text-align: justify;"><span style="font-size: large;"><br /></span></div><div style="text-align: justify;"><span style="font-size: large;">Proiectarea filtrelor digitale sau analogice poate fi usurata, folosind programele gratuite disponibile pe site-ul Iowa Hills Software. </span></div><div style="text-align: left;"><a href="https://web.archive.org/web/20171110201922/http://iowahills.com/8DownloadPage.html" rel="nofollow" target="_blank"><span style="font-size: large;">Descarca de la ACEASTA ADRESA!</span></a></div>Constantin Rusuhttp://www.blogger.com/profile/12959087644397138179noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-35017126024542661202024-03-03T23:31:00.005+02:002024-03-03T23:45:10.893+02:00Receptor SSB pentru banda de 80m<div style="text-align: justify;"><span style="font-size: large;">Superheterodina cu frecventa intermediara pe 500kHz, filtru SSB electromecanic (EMF500). Cu modificari minore poate fi transformat intr-un receptor dual band sau tri band.</span></div><div style="text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="http://www.cqham.ru/image4/rx55_80_2.gif" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="426" data-original-width="800" height="341" src="http://www.cqham.ru/image4/rx55_80_2.gif" width="640" /></a></div><div style="text-align: center;"><span style="font-size: large;">Click pe imagine pentru marire!</span></div><div style="text-align: center;"><span style="font-size: large;"><br /><div style="text-align: justify;">Pentru informatii suplimentare, accesati <a href="http://www.cqham.ru/rx55_80_1.htm" rel="nofollow" target="_blank">SURSA</a>.</div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><a href="https://epiese.blogspot.com/2020/11/500-31-emfdp-500h-31.html" target="_blank">Filtre ЭМФДП-500Н-3.1 (EMFDP-500H-3.1) disponibile</a>. </div></span></div>Constantin Rusuhttp://www.blogger.com/profile/12959087644397138179noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-71940828961350647952024-03-02T20:41:00.006+02:002024-03-02T20:48:07.379+02:00Istorie?<div> <div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZsYJtFzbYgDf0hz_SzKs8pyiYa5hw8a0hdRVJYnWOw72gXaDAgzmjADs9KMJyH2Nbr9Qfx8hRzl9h6YnO6c6oFxxn-IncYyNyRhCVLHE7VytPRlFtnYwpPttSx1oCJ-BhLTI6ele-tyb71zmKLV0jlB2qKxRGIv-r4g39qMBpzXz6BL7eG6h45hUcca7I/s1200/tuburi.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="1200" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZsYJtFzbYgDf0hz_SzKs8pyiYa5hw8a0hdRVJYnWOw72gXaDAgzmjADs9KMJyH2Nbr9Qfx8hRzl9h6YnO6c6oFxxn-IncYyNyRhCVLHE7VytPRlFtnYwpPttSx1oCJ-BhLTI6ele-tyb71zmKLV0jlB2qKxRGIv-r4g39qMBpzXz6BL7eG6h45hUcca7I/w640-h320/tuburi.jpg" width="640" /></a></div><div class="separator" style="clear: both; text-align: center;"><br /></div><span style="font-size: large;"><div style="text-align: justify;"> O invenție datată 1906 arată la fel și astăzi. Până în 1950 a fost o cursă nebună pentru tuburi cu vid mai compacte și mai eficiente. După aparitia tranzistorilor, tubul de vid convențional cu catod fierbinte a rămas o alegere comună pentru finalele emițătorului de mare putere. Tubul cu vid a cunoscut o revigorare în ultima vreme în rândul audiofililor, care găsesc în tubul vidat calități deosebite de profunzime, culoare și căldură, calități care nu se găsesc la echipamentele moderne, tranzistorizate. Distribuitorii de tuburi electronice mai dețin încă stocuri uriașe. Desigur, prețul a fost actualizat.</div><div style="text-align: justify;"> Cred ca fiecare dintre noi am încercat măcar o dată să construim un liniar cu tuburi noi sau recuperate de la aparate scoase din uz. Personal am utilizat în timp 6P13 (final linii televizor Rubin 102, URSS). Liniarul a fost construit cu componente recuperate de la primul nostru televizor. A fost folosit de tata, Tache, <a href="https://yo4rfq.blogspot.com/" target="_blank">YO4RFQ</a>. In memoria lui, rămâne undeva pe un raft... Apoi PL500 (final linii televizoare a/n, RSR). Primul meu liniar "serios" a fost construit cu un GU50, cu posibilitate de upgradare la doua tuburi. Nu-l mai utilizez, dar este functional. Am facut apoi teste cu GU29, însă nu s-au concretizat într-un nou liniar din lipsa unor condensatori variabili.</div><div style="text-align: justify;">În ultimii ani am renunțat definitiv la tuburile electronice, toate echipamentele mele (HM sau profesionale) folosesc tranzistori bipolari sau MOSFET de uz general sau speciale pentru RF.</div></span><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both;"><br /></div><div class="separator" style="clear: both; text-align: right;"><a href="https://www.nutsvolts.com" rel="nofollow" target="_blank">Foto</a></div></div><br /></div>Constantin Rusuhttp://www.blogger.com/profile/12959087644397138179noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-63361492114201837722024-02-21T13:44:00.001+02:002024-02-21T13:44:07.541+02:00RFSim99<div style="text-align: left;"><span style="font-size: large;"><div class="separator" style="clear: both; text-align: center;"><a href="https://i0.wp.com/www.ad5gg.com/wp-content/uploads/2017/04/bpfilter.png?fit=504%2C436&ssl=1" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" data-original-height="436" data-original-width="504" height="346" src="https://i0.wp.com/www.ad5gg.com/wp-content/uploads/2017/04/bpfilter.png?fit=504%2C436&ssl=1" width="400" /></a></div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><i><br /></i></div><div style="text-align: justify;"><i><br /></i></div><div style="text-align: justify;"><i>RFSim99</i> este un utilitar software gratuit de simulare RF. Este mic, rapid, de încredere și efectuează doar simulări de bază RF.</div></span></div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><span style="font-size: large;">Download (.exe, help, manual): <a href="https://www.ad5gg.com/2017/04/06/free-rf-simulation-software/" rel="nofollow" target="_blank">SURSA</a></span></div><p><br /></p>Constantin Rusuhttp://www.blogger.com/profile/12959087644397138179noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-76990788631249362822024-02-14T11:38:00.004+02:002024-02-14T11:59:49.746+02:00Emularea unui port serial virtual<div style="text-align: justify;"><span style="font-size: large;">In practica radioamatorilor este necesara utilizarea unui port COM fizic de mai multe programe simultan (de exemplu: HAM RADIO DELUXE, N3FJP Amateur's log, N3FJP CQ WW DX Contest log). Solutia gratuita vine de la <b><i>ETERLOGIC</i></b> și se numește: <b>VSPE - Virtual Serial Ports Emulation</b>. Programul poate fi descarcat de la <a href="https://eterlogic.com/Downloads.html" rel="nofollow" target="_blank">ACEASTA ADRESA</a>.</span></div><p><span face="Arial, Tahoma, Helvetica, FreeSans, sans-serif" style="background-color: white; color: #222222; font-size: 13.2px; vertical-align: inherit;"></span></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgdoGid1XU_o3zHwXiU9rAWYBoVqL-CGY2EMG8_XRjt4s2i_SH_eXR529W0LI0sX8CtCIOqcqF7_h7jPy-VQ6DTteGq-bvm7OHtSMqqW2OUQHBFQJU_0jcUS02ED25lwC-ri_qMeQRebr_EzeRcoL9_rO1NC7FVCJ1Qc7OyUvbgM37Daaz3y7Yotf4OAq4n/s680/Screenshot%202024-02-14%2011.31.39.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="530" data-original-width="680" height="498" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgdoGid1XU_o3zHwXiU9rAWYBoVqL-CGY2EMG8_XRjt4s2i_SH_eXR529W0LI0sX8CtCIOqcqF7_h7jPy-VQ6DTteGq-bvm7OHtSMqqW2OUQHBFQJU_0jcUS02ED25lwC-ri_qMeQRebr_EzeRcoL9_rO1NC7FVCJ1Qc7OyUvbgM37Daaz3y7Yotf4OAq4n/w640-h498/Screenshot%202024-02-14%2011.31.39.jpg" width="640" /></a></div><br />
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</center>Constantin Rusuhttp://www.blogger.com/profile/12959087644397138179noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-82523965955187101032024-02-04T20:49:00.007+02:002024-03-09T12:57:32.497+02:00VOA Site B<div style="text-align: justify;"><span face="Lato, sans-serif" style="background-color: white; border: 0px; color: #2b2b2b; margin: 0px; outline: 0px; padding: 0px; vertical-align: inherit;"><div class="separator" style="clear: both; font-size: 16px; text-align: center;"><a href="https://i0.wp.com/qrper.com/wp-content/uploads/2024/02/image3.jpg?ssl=1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="300" src="https://i0.wp.com/qrper.com/wp-content/uploads/2024/02/image3.jpg?ssl=1" width="400" /></a></div><span style="font-size: x-large;">Stația de emisie "Edward R. Murrow”, parte a „Office of Cuba Broadcasting” din Grimesland (Carolina de Nord), este c</span></span><span style="font-size: x-large;"><span face="Lato, sans-serif" style="background-color: white; border: 0px; color: #2b2b2b; margin: 0px; outline: 0px; padding: 0px; vertical-align: inherit;">unoscuta sub numele de „VOA Site B” (Voice of America) si este printre putinele statii </span><span face="Lato, sans-serif" style="background-color: white; border: 0px; color: #2b2b2b; margin: 0px; outline: 0px; padding: 0px; vertical-align: inherit;">cu unde scurte care au rămas la nivel mondial. VOA transmite continuu din 1963. "Padurea" de antene ofera emitatorului de 75 kW un SWR de 1.1:1.</span></span></div><div style="text-align: justify;"><div class="separator" style="clear: both; font-size: x-large; text-align: center;"><br /></div><span style="font-size: x-large;">QSL (foto cu una din cele 38 de antene)</span></div><div style="text-align: justify;"><div class="separator" style="clear: both; text-align: center;"><a href="https://i0.wp.com/qrper.com/wp-content/uploads/2024/02/image1.jpg?resize=768%2C576&ssl=1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="576" data-original-width="768" height="480" src="https://i0.wp.com/qrper.com/wp-content/uploads/2024/02/image1.jpg?resize=768%2C576&ssl=1" width="640" /></a></div><br /></div><div style="text-align: justify;"><span face="Lato, sans-serif" style="color: #2b2b2b;"><span style="background-color: white; font-size: x-large;">Merita sa accesati <a href="https://qrper.com/2024/02/proper-qro-k4rlc-tours-the-edward-r-murrow-transmitting-station/" rel="nofollow" target="_blank">SURSA</a> pentru detalii mai putin cunoscute si fotografii! </span></span></div><div style="text-align: justify;"><span style="font-size: x-large;"><span><span style="text-align: left;"><span face="Lato, sans-serif" style="color: #2b2b2b;">Bob, K4RLC (a</span></span></span><span style="background-color: white; color: #2b2b2b;">utorul</span><span style="color: #2b2b2b; text-align: left;">), va aprecia orice comentariu. La fel si eu!</span></span></div>Constantin Rusuhttp://www.blogger.com/profile/12959087644397138179noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-59150945013875811122024-01-25T01:08:00.008+02:002024-01-25T10:26:35.674+02:00Transceiver SSB 15W pentru banda de 40m<div style="text-align: justify;"><span style="font-size: x-large;">LETIK, transceiver SSB 15W, publicat de YD1JJJ, Indra S Ekoputro</span></div><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhH2cmA0tep8JiIMHPagclq5ftf92gxvM7JHEielzhkJZS_jFw67_LZHc7w_JwN1afeG7ZN60d6Lk_D7qAWp-ABvsA_JpfkWWCD4ORaV_EEB-uLLHlgMaHDZMwWHZy8zUfx2aiLEQhDheV0mgC86LvmLbnBJdKZK2yfvXOeJ_xlbZPYycI_6vhKqJyovgFZ/s1600/letik+ssb2.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="756" data-original-width="1600" height="302" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhH2cmA0tep8JiIMHPagclq5ftf92gxvM7JHEielzhkJZS_jFw67_LZHc7w_JwN1afeG7ZN60d6Lk_D7qAWp-ABvsA_JpfkWWCD4ORaV_EEB-uLLHlgMaHDZMwWHZy8zUfx2aiLEQhDheV0mgC86LvmLbnBJdKZK2yfvXOeJ_xlbZPYycI_6vhKqJyovgFZ/w640-h302/letik+ssb2.jpg" width="640" /></a></div><br /><div style="text-align: left;"><span style="font-size: large;"> Specificații:</span></div><div style="text-align: left;"><span style="font-size: large;">1. RX superheterodina cu FI 12Mhz </span></div><div style="text-align: left;"><span style="font-size: large;">2. FI comutabil TX-RX</span></div><div style="text-align: left;"><span style="font-size: large;">3. Filtru cu 6 quarturi</span></div><div style="text-align: left;"><span style="font-size: large;">4. VFO cu 3 tranzistori (poate fi inlocuit cu DDS)</span></div><div style="text-align: left;"><span style="font-size: large;">5. Mixere echilibrate ADE-1</span></div><div style="text-align: left;"><span style="font-size: large;">6. Ieșire RF de 15W cu IRF520</span></div><div style="text-align: left;"><span style="font-size: large;"><span>7. Poate fi modificat pentru multibandă prin înlocuirea VFO și filtru trece jos (LPF)</span><br /><span>8. Curent consumat </span></span><span style="font-size: large;"><span>la 13,8V alimentare</span><span>: RX 50mA și TX 4A </span></span></div><div style="text-align: left;"><span style="font-size: large;"><span>9. Proiect de weekend (6-8 ore de lucru)</span></span><span style="font-size: large;"><br /><br /></span></div><div style="text-align: left;"><span style="font-size: large;">ADE-1, <a href="https://4donline.ihs.com/images/VipMasterIC/IC/MINI/MINI-S-A0001056079/MINI-S-A0001056079-1.pdf?hkey=D9A213CC6FEE7D103EF6B88F2AEB20B8" rel="nofollow" target="_blank">catalog</a></span></div><div style="text-align: left;"><br /></div><div style="text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEitSJAkU8vAN5gFYf6SPwrHDACAcOXqWW6NktJZ-7Ahlmm8RF4GLPUoz8PbD76Fai6TFBhwc1XGPCbHlICT12ah3VYFA1CTQ6mzbbqrBIQ6P8ALnkQAuH7tCaEQsnaQNj7-xcmlgX_1CXuAfga4CfUlGmgzPK97c53DflRk4qeGJ8HEwL8bW9yi0toZ1R26/s1600/letik%20ssb.JPG" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1116" data-original-width="1600" height="446" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEitSJAkU8vAN5gFYf6SPwrHDACAcOXqWW6NktJZ-7Ahlmm8RF4GLPUoz8PbD76Fai6TFBhwc1XGPCbHlICT12ah3VYFA1CTQ6mzbbqrBIQ6P8ALnkQAuH7tCaEQsnaQNj7-xcmlgX_1CXuAfga4CfUlGmgzPK97c53DflRk4qeGJ8HEwL8bW9yi0toZ1R26/w640-h446/letik%20ssb.JPG" width="640" /></a></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjmg-dD3Lhn1xMkxLKOV5UpzuvidNoQgal9pAR1WRr8zdkQudMsV2WpsgfE3ofedtjxLN6vfVgNmTe7LFWljd0di0ogXNx4iEUQKblRTLjU59Munj5NE5RV7zWeEspJfCPP8k-9QMk0CeWFMYv-2H3DfO1uwJo9v2A_uA_x5Fh1u2_KQXI1QwAd0v9miUWy/s1322/letik+ssb1.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="766" data-original-width="1322" height="370" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjmg-dD3Lhn1xMkxLKOV5UpzuvidNoQgal9pAR1WRr8zdkQudMsV2WpsgfE3ofedtjxLN6vfVgNmTe7LFWljd0di0ogXNx4iEUQKblRTLjU59Munj5NE5RV7zWeEspJfCPP8k-9QMk0CeWFMYv-2H3DfO1uwJo9v2A_uA_x5Fh1u2_KQXI1QwAd0v9miUWy/w640-h370/letik+ssb1.jpg" width="640" /></a></div><br /><div class="separator" style="clear: both; text-align: center;">Click pe imagini pentru marire!</div><div class="separator" style="clear: both; text-align: center;"><br /></div><br /><div style="text-align: left;"><span style="font-size: large;">In trafic, versiunea initiala (Emprit, V2.0)</span></div><div style="text-align: left;"><br /></div>
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</center><center><br /></center><center style="text-align: justify;"><span style="font-size: large;">Informatii suplimentare: <a href="https://blekokqrp.blogspot.com/2014/04/letik-15w-40m-ssb-transceiver.html" rel="nofollow" target="_blank">SURSA</a></span></center><center style="text-align: justify;"><br /></center><center style="text-align: justify;"><br /></center><center style="text-align: justify;"><span style="font-size: x-large;">Daca poti realiza acest cablaj sau ai unul disponibil, lasa un comentariu sau trimite e-mail la <a href="https://yo8rcd.blogspot.com/p/contact.html" target="_blank">adresa de la pagina contact</a>. Multumesc!</span></center>
<p></p>Constantin Rusuhttp://www.blogger.com/profile/12959087644397138179noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-40978598083530637392024-01-23T00:21:00.002+02:002024-01-23T00:23:43.599+02:00Spectran<div style="text-align: justify;"><span><div class="separator" style="clear: both; font-size: xx-large; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg085TriC93hOFSadrX_dNkDB8q_ny303keGXIx52jdfMy9TsiIfw2H76r-Y3Hh4ba-NYsHCSag-bSg5s3kn9rM0hRU9uQFKlIiwZ2Hx9bEfe-rXJwzvAKnE0l718bTVy4P9qbIhLtHK7Bfa2FisBhLNWSjqXychUPjTaJhGazB-98CHN1yl3NoSfC9ceDe/s800/Captura%C5%A3i%20ecranul%20complet%201232024%20121307%20AM.jpg" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" data-original-height="547" data-original-width="800" height="219" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg085TriC93hOFSadrX_dNkDB8q_ny303keGXIx52jdfMy9TsiIfw2H76r-Y3Hh4ba-NYsHCSag-bSg5s3kn9rM0hRU9uQFKlIiwZ2Hx9bEfe-rXJwzvAKnE0l718bTVy4P9qbIhLtHK7Bfa2FisBhLNWSjqXychUPjTaJhGazB-98CHN1yl3NoSfC9ceDe/s320/Captura%C5%A3i%20ecranul%20complet%201232024%20121307%20AM.jpg" width="320" /></a></div><span style="font-size: large;"><b><i>Spectran</i></b> este un program pentru analiză spectrală sau afișare cascadă. Poate filtra audio în timp real (trece bandă, eliminare zgomot, oprește bandă și vârf CW), folosind placa de sunet a computerului pentru a digitiza semnalul analog de intrare sau fișiere WAV memorate anterior. Poate detecta semnale slabe în zgomot și vizualiza semnale CW normale. </span></span><span style="font-size: large;"><a href="https://www.i2phd.org/code/spectran.pdf" rel="nofollow" target="_blank">Informații suplimentare (.pdf)</a><span>, </span><a href="https://www.i2phd.org/code/specpakv2_216.exe" rel="nofollow" target="_blank">descărcare (.exe)</a><span>.</span></span></div>Constantin Rusuhttp://www.blogger.com/profile/12959087644397138179noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-42576777775512801782024-01-18T19:25:00.017+02:002024-01-21T23:03:33.235+02:00De la curent continuu la 1,8MHz<div style="text-align: justify;"><span style="font-size: large;"><span>Comunicatiile VLF (9kHz - 148,5kHz) sunt utilizate in aplicatii militate, servicii de stiri, meteo, comunicatii de sincronizare timp si altele. Receptorul superheterodina prezentat in numarul 2/2001 al revistei Elektor este destinat in special receptionarii comunicatiilor de frecvente foarte joase (VLF) dar poate ajunge pana la 1,8MHz. Are dubla schimbare de frecventa (doua frecvente intermediare), configuratie ce ii asigura sensibilitate si selectivitate ridicate, folosind o antena scurta (10-20 cm). Acordul este realizat cu dioda varycap pentru a elimina componente scumpe si voluminoase. </span>Detalii suplimentare in <a href="https://pdfsecret.com/download/receptor-superheterodina_65aa8e957cb3958a548b4617_pdf" rel="nofollow" target="_blank">ACEST FISIER</a>.</span></div><div><div><br />
</div></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgloRYPWsEBEGET0WtPXDr_IrmubvBFEFkIw7BQEy5TAoG77J4Yj1lyB28BvL4GA-lLWouUYC9_sStiHMpxOlTqZpY800_jmJG2oCpsSM9TkLzQszCQM4wt8Ux3UuET5OspZx8yFy7KBE4NRykOgGkyK7a-vPlleWVBigMV6rW-1ZsFDPVzV-q68m0XNQFT/s1412/VLF%20superheterodina%202FI.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="869" data-original-width="1412" height="394" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgloRYPWsEBEGET0WtPXDr_IrmubvBFEFkIw7BQEy5TAoG77J4Yj1lyB28BvL4GA-lLWouUYC9_sStiHMpxOlTqZpY800_jmJG2oCpsSM9TkLzQszCQM4wt8Ux3UuET5OspZx8yFy7KBE4NRykOgGkyK7a-vPlleWVBigMV6rW-1ZsFDPVzV-q68m0XNQFT/w640-h394/VLF%20superheterodina%202FI.png" width="640" /></a></div><br /><div style="text-align: center;">Click pe imagine pentru marire!</div>Constantin Rusuhttp://www.blogger.com/profile/12959087644397138179noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-86908536906960984012024-01-17T12:56:00.005+02:002024-01-31T21:09:56.065+02:00Balon de radioamator in YO<div style="text-align: left;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiWDqAt_qr4G3ZmIC74vNKuVy0nLuI1b1h92G7cW0T90gHFfovFMdiMqCEE1kAnFA1D9BUT1XUzjR_vRw2BPTy7KFjfzaJyQ719nLHBvWYHxy9B5FSGJLfOiCmYca2A-SMtwzGs7lNYM3kvwCnzGNbePy5BFBo73frT-N1z5E5gdKUAxdxPHexd_h40wwh4/s761/Screenshot%202024-01-17%2012.09.28.jpg" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" data-original-height="557" data-original-width="761" height="234" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiWDqAt_qr4G3ZmIC74vNKuVy0nLuI1b1h92G7cW0T90gHFfovFMdiMqCEE1kAnFA1D9BUT1XUzjR_vRw2BPTy7KFjfzaJyQ719nLHBvWYHxy9B5FSGJLfOiCmYca2A-SMtwzGs7lNYM3kvwCnzGNbePy5BFBo73frT-N1z5E5gdKUAxdxPHexd_h40wwh4/s320/Screenshot%202024-01-17%2012.09.28.jpg" width="320" /></a></div><span style="font-size: large;"><div style="text-align: justify;">Albert, PA3CPF, m-a anuntat ca in apropierea QTH-ului meu va trece in curand un balon de radioamator. Acesta emite o data pe minut si la fiecare minut va schimba frecventa, pe 434.714Mhz, respectiv 437.600Mhz. Daca mai sunt persoane interesate, puteti urmari parcursul la <a href="https://amateur.sondehub.org/#!mt=Mapnik&mz=8&qm=12h&mc=46.50217,26.50452&f=Flybag-4FSK&q=Flybag-4FSK" rel="nofollow" target="_blank">aceasta adresa</a>. </div></span></div><div style="text-align: justify;"><span style="font-size: large;">Resurse web:</span></div><div style="text-align: justify;"><span style="font-size: large;"><a href="https://forum.uus.ro/printthread.php?t=276&pp=10&page=1" rel="nofollow" target="_blank">Urmarirea baloanelor de radioamator</a> </span></div><div style="text-align: justify;"><span style="font-size: large;">Decodor audio <a href="https://github.com/projecthorus/horus-gui/releases" rel="nofollow" target="_blank">horus-gui</a> , <a href="https://www.rtl-sdr.com/the-us-airforce-may-have-shot-down-an-amateur-radio-pico-balloon-over-canada/" rel="nofollow" target="_blank">Balon PICO doborat</a> </span></div><div style="text-align: justify;"><span style="font-size: large;"><br /></span></div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><span style="font-size: large;"><br /></span></div><div style="text-align: justify;"><span style="font-size: large;"><span>Editare 31.01.2024 - </span><span>Parcursul in ultimele 6 luni</span></span></div><div style="text-align: justify;"><span style="font-size: x-large;"><br /></span></div><div style="text-align: justify;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi25xNnXu7wV85Z5rJ5CBUhunWV0jF32z1tF8PY-7Fg6roRIbdepaLaJWScSbk-e5gB7gVwvJF5UQvFkdYB39Wb6zU4OOLEzTxxssYhDkZj0Kik3NtTuTagbETlcGnZduBR64eYYpMpdHvGSoVonPRCVQpcqbcu-dB-mf9Mo6IgG8p81Pw4T5ToD0qtuVHV/s1030/2024-01-31%2021.04.28.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="615" data-original-width="1030" height="382" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi25xNnXu7wV85Z5rJ5CBUhunWV0jF32z1tF8PY-7Fg6roRIbdepaLaJWScSbk-e5gB7gVwvJF5UQvFkdYB39Wb6zU4OOLEzTxxssYhDkZj0Kik3NtTuTagbETlcGnZduBR64eYYpMpdHvGSoVonPRCVQpcqbcu-dB-mf9Mo6IgG8p81Pw4T5ToD0qtuVHV/w640-h382/2024-01-31%2021.04.28.jpg" width="640" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><br /></div><br /><span style="font-size: large;"><br /></span></div><div style="text-align: justify;"><span style="font-size: large;"><br /></span></div>Constantin Rusuhttp://www.blogger.com/profile/12959087644397138179noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-25831971877762431832024-01-13T19:50:00.004+02:002024-01-13T19:50:56.658+02:00CPK-3, "proba de fum"<div style="text-align: justify;"><span style="font-size: large;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi_-Fz8Yg3Vx2TjKUE-Rmia-5qDEGUwNEWTx16yCfV1acXinvo8L5SkVffENcA5k8DoMj5hL6kGEvXMLHVyZ2xqtqdkb44WOi1h6VtbM78TbVHxIaGgbCL3Vt5WcZw-APJA8cXdyunm0wart3XcwFD6YBhi8KA5pbjb3kPL5ex3LBn16pOlDSLFnQtdcPsz/s800/IMG_20240113_192614_627.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" data-original-height="623" data-original-width="800" height="249" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi_-Fz8Yg3Vx2TjKUE-Rmia-5qDEGUwNEWTx16yCfV1acXinvo8L5SkVffENcA5k8DoMj5hL6kGEvXMLHVyZ2xqtqdkb44WOi1h6VtbM78TbVHxIaGgbCL3Vt5WcZw-APJA8cXdyunm0wart3XcwFD6YBhi8KA5pbjb3kPL5ex3LBn16pOlDSLFnQtdcPsz/s320/IMG_20240113_192614_627.jpg" width="320" /></a></div>Cel mai mult imi place la kit-uri faptul ca nu trebuie sa-mi fac griji pentru componente. Vine totul la plic, trebuie doar un ciocan de lipit, fludor, ochi buni, indemanare si rabdare. Astazi am reusit sa montez kit-ul receptorului. Dupa ce l-am alimentat, am constatat ca a trecut si "proba fumului", adica montajul nu scoate fum si-i functional. Rotind usor de cateva ori potentiometrul de schimbare a benzilor am sesizat trecerile printre benzi (se modifica zgomotul din difuzor) si am reusit sa receptionez cu antena telescopica Kiss FM. La masa mea de lucru semnalul este slab, dar chiar si asa sunetul este foarte clar, la calitate FM. Nu ma voi opri aici. Intentionez sa inlocuiesc potentiometrii de acord si schimbare benzi cu altele multitur, sa adaug un amplificator audio de 2-3W si sa incasetez totul pentru a face din acest montaj un aparat functional.</span></div><div style="text-align: justify;"><span style="font-size: large;"><br /></span></div>
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</center>Electronice de la A la Zhttp://www.blogger.com/profile/02040161192037547112noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-85432918497580867602024-01-12T11:25:00.001+02:002024-01-12T11:25:27.865+02:00NanoVNA ca BFO pentru emisiuni CW, SSB, WSPR, FSK<div style="text-align: justify;"><span style="font-size: large;">Utilizand un oscilator de batai (BFO) se pot receptiona semnale CW, SSB, FSK si WSPR cu un minitransceiver Baofeng, care receptioneaza nativ doar FM. Filmuletul prezentat mai jos, deschide sigur o serie de experiente in laboratoarele pasionatilor de unde radio.</span></div><div style="text-align: justify;"><span style="font-size: large;"><br /></span></div><div><center>
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</center></div>Electronice de la A la Zhttp://www.blogger.com/profile/02040161192037547112noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-3316786731838728152024-01-10T23:21:00.004+02:002024-01-10T23:29:12.527+02:00CKP-3, kit<p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOajOgMZSE20nB2MvhpSLYhjMyWSuHNfkoyiRzyh983q8PSpTGD8jRd6Z_P1isSbMHnepSbJGLyITqFHQUycHi-q58em0BMkfIJzRu5nDCaTKo2c1uoPMxaq-3QBmIdN2nYKP_lz6yWhNO0CaWfwulBEVu5H6tQIffs2ix7swMt0aSiY8qQPtEjSeo2oON/s800/IMG_20240108_194034_720.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="480" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOajOgMZSE20nB2MvhpSLYhjMyWSuHNfkoyiRzyh983q8PSpTGD8jRd6Z_P1isSbMHnepSbJGLyITqFHQUycHi-q58em0BMkfIJzRu5nDCaTKo2c1uoPMxaq-3QBmIdN2nYKP_lz6yWhNO0CaWfwulBEVu5H6tQIffs2ix7swMt0aSiY8qQPtEjSeo2oON/w640-h480/IMG_20240108_194034_720.jpg" width="640" /></a></div><br /><div style="text-align: justify;"><span style="font-size: large;"><span>După un drum lung, "Moșul" mai face o surpriză plăcută. Și Poșta... ;-) </span><span>Cablajul imprimat este impecabil, componentele sunt de calitate. Mulțumesc Adam! Avem o perioadă mai aglomerată, dar o să ne facem timp în weekend pentru montaj. </span></span></div><p></p>Constantin Rusuhttp://www.blogger.com/profile/12959087644397138179noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-70354785873670596392024-01-05T20:21:00.009+02:002024-01-08T01:10:45.638+02:00DDX-1<div style="text-align: left;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi0DLNADUKNkwgQ4v97jdHvkOceKhtp5yLe4N_r3nhyphenhyphen4dCQq9OJ59OrVwPaH3ti5OfrB1ueIzEpMR9oAksuYqjYjeHCOuioxhMQUiLspc0l4veqwIc95jVIYdH1eEnfs9sAxHrri9F8CuRA2fajRI46_GwlwiyJbid2XPryYm8LP7CNK4G10cXIoWpfE7NS/s800/IMG_20231203_173430.jpg" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" data-original-height="799" data-original-width="800" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi0DLNADUKNkwgQ4v97jdHvkOceKhtp5yLe4N_r3nhyphenhyphen4dCQq9OJ59OrVwPaH3ti5OfrB1ueIzEpMR9oAksuYqjYjeHCOuioxhMQUiLspc0l4veqwIc95jVIYdH1eEnfs9sAxHrri9F8CuRA2fajRI46_GwlwiyJbid2XPryYm8LP7CNK4G10cXIoWpfE7NS/s320/IMG_20231203_173430.jpg" width="320" /></a></div><div style="text-align: justify;"><span style="font-size: large;"><b>DDX-1</b> este denumirea unui transceiver QRP dedicat modurilor de lucru digitale.</span></div></div><div style="text-align: left;"><div style="text-align: justify;"><span style="font-size: large;">Caracteristici:</span></div><div style="text-align: justify;"><span style="font-size: large;">- Port USB-C unic pentru audio si gestionarea controlului CAT;</span></div><div style="text-align: justify;"><span style="font-size: large;">- Ieșire RF de 5W pe toate benzile HF;</span></div><div style="text-align: justify;"><span style="font-size: large;">- PA solid, rezistent la SWR mare;</span></div><div style="text-align: justify;"><span style="font-size: large;">- VFO stabil;</span></div><div style="text-align: justify;"><span style="font-size: large;">- Recepționează WSPR la 28 MHz foarte bine;</span></div><div style="text-align: justify;"><span style="font-size: large;">- Comutare T/R fiabilă bazată pe un releu DPDT;</span></div><div style="text-align: justify;"><span style="font-size: large;"><span>- Suport BPF comutabil pentru a scăpa de BCI și alte interferențe (testat împotriva radarului OTH + stație AM de 100 kW în imediata </span><span>apropiere vizuală);</span></span></div><div style="text-align: justify;"><span style="font-size: large;">- Fara bobine, dar este necesar un FTJ (LPF) extern;</span></div><div style="text-align: justify;"><span style="font-size: large;">- Tranzistor final in clasa D cu IRF510 pe un mic radiator;</span></div><div style="text-align: justify;"><span style="font-size: large;">- Firmware gratuit, open-source cu licență AGPLv3;</span></div><div style="text-align: justify;"><span style="font-size: large;">- Cost redus (20 până la 30 USD);</span></div><div style="text-align: justify;"><span style="font-size: large;"><span>- DDX-1 receptioneaza în mod obișnuit trafic FT8 din 80 până la 100 de țări folosind </span><span>o antenă EFHW simplă de 5 m lungime.</span></span></div></div><div style="text-align: justify;"><span style="font-size: large;"><br /></span></div><div style="text-align: left;"><div style="text-align: justify;"><span style="font-size: large;"><span>Toate fișierele necesare construcției sunt disponibile în <a href="https://github.com/kholia/DDX/tree/master" rel="nofollow" target="_blank">același depozit GitHub</a></span>.</span></div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><br /></div><br /><br /></div>Electronice de la A la Zhttp://www.blogger.com/profile/02040161192037547112noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-73272599588274125962024-01-04T13:02:00.002+02:002024-01-04T13:09:40.665+02:00Ditto CW: Morse Player<div style="text-align: justify;"><span style="font-size: large;">Dacă ești în căutarea unui "antrenor" Morse, aplicația <b><i>Ditto CW: Morse Player</i></b> te poate ajuta. Funcționează ca un player media și oferă acces redare / pauză / omitere din bara de notificare și poate afișa textul curent prin afișaje Bluetooth. Alegeți o sesiune de antrenament și viteza cu care să învățați. Pentru fiecare rând, veți auzi versiunea Morse, textul vorbit și apoi din nou Morse. Aplicatia functioneaza pe dispozitive cu Android si poate fi descarcata de la <a href="https://play.google.com/store/apps/details?id=com.billyfrancisco.dittocw&fbclid=IwAR2l9-4CNNtZdlOEFjJJnrHZNP2Ksanqn8SurVDrIhrjcmYFN6c0Ac7StFM&pli=1" rel="nofollow" target="_blank">aceasta adresa</a>.</span></div><center><br /></center><center><iframe allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen="" frameborder="0" height="315" src="https://www.youtube.com/embed/xNkWN4FZMPE?si=blnP3M5-mosGyZ1w" title="YouTube video player" width="560"></iframe>
</center>Electronice de la A la Zhttp://www.blogger.com/profile/02040161192037547112noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-50779217876727761992024-01-01T18:01:00.009+02:002024-01-02T11:16:55.498+02:00SAQ Craciun 2023<p> </p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUuCEf7Ku_ZFQZiD4Em0LrM5pnqaCcZ79h3s_BoZQ_pwZtl5jgSduzBEnHY1UNTe2N7hDL8niwxZA4wuD_bQZtnrTigZum7NhveyM0-PZOGekRe7zbhLm6qbxE3I14B1DWB_oYO9hOn31A49X0Gp3UsaNWmdpFwYh6ljUtbGoOuWGF_DFovZWIQ1QebeP7/s1238/SAQ%20QSL%20Craciun%202023.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="934" data-original-width="1238" height="482" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUuCEf7Ku_ZFQZiD4Em0LrM5pnqaCcZ79h3s_BoZQ_pwZtl5jgSduzBEnHY1UNTe2N7hDL8niwxZA4wuD_bQZtnrTigZum7NhveyM0-PZOGekRe7zbhLm6qbxE3I14B1DWB_oYO9hOn31A49X0Gp3UsaNWmdpFwYh6ljUtbGoOuWGF_DFovZWIQ1QebeP7/w640-h482/SAQ%20QSL%20Craciun%202023.png" width="640" /></a></div><br /><p></p><div style="text-align: justify;"><span style="font-size: large;">Din YO sunt 3 confirmari ale evenimentului SAQ din Ajunul Craciunului 2023:</span></div><div style="text-align: justify;"><span style="font-size: large;">- YO7GYQ - Gheorghe Balan, Pitesti</span></div><div style="text-align: justify;"><span style="font-size: large;">- YO8RCD - Costin (Constantin) Rusu, Barlad</span></div><div style="text-align: justify;"><span style="font-size: large;">- YO9IOF - Mircea Furtuna, Ploiesti</span></div><div style="text-align: justify;"><span style="font-size: large;"><br /></span></div><div style="text-align: justify;"><span><div class="separator" style="clear: both; font-size: x-large; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjButlp_fmfJd5fvA-FPoNs7l28cQI10JiWhPxG7Voc-xAjuimC6K_vfEyfLJHhEYsipD9uqJ7wRuGlTzFHoEhVDrvfqMwmzf-UFRSfxBzxlHtSJ-981_fa0j9pkxRX6dKSfGIRzF9ZS9JJP0Yom3uJcpjDZe1u-M3uw9i4hHUxHHGDuFNTAuag9PmlwmT6/s1184/Confirmari%20YO.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="757" data-original-width="1184" height="410" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjButlp_fmfJd5fvA-FPoNs7l28cQI10JiWhPxG7Voc-xAjuimC6K_vfEyfLJHhEYsipD9uqJ7wRuGlTzFHoEhVDrvfqMwmzf-UFRSfxBzxlHtSJ-981_fa0j9pkxRX6dKSfGIRzF9ZS9JJP0Yom3uJcpjDZe1u-M3uw9i4hHUxHHGDuFNTAuag9PmlwmT6/w640-h410/Confirmari%20YO.png" width="640" /></a></div><div style="text-align: right;"><br /></div><div style="text-align: right;"><a href="https://www.google.com/maps/d/u/1/viewer?mid=18nSI0tfCQsxGJo9x7YA7tqBSHYopmGpU&ll=45.792570249096116%2C25.639428365632384&z=6" rel="nofollow" target="_blank">Harta Google</a></div><span style="font-size: large;"> </span></span></div>Constantin Rusuhttp://www.blogger.com/profile/12959087644397138179noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-68111009021943949982023-12-31T23:24:00.003+02:002023-12-31T23:24:47.053+02:00La multi ani!<p style="text-align: center;"> </p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTNCvu8rfl-QqX5ZUn9FFwYYnQJcZ81K6NCESa6KG8dewVOahsLLqnm-Lsr-52NnAtDvcsym1L7LkiCHycmXsmymhOVujG7k1uoa-HbFrX122kc7RgdnalCbvp6cQ2QHDriS3Na8RUOeAOUmE4g36OWoLwmQIbKI1SYGVBmFM61hWxhZ3cJPwMrmoq1Grj/s777/yo8rcd.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="493" data-original-width="777" height="406" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTNCvu8rfl-QqX5ZUn9FFwYYnQJcZ81K6NCESa6KG8dewVOahsLLqnm-Lsr-52NnAtDvcsym1L7LkiCHycmXsmymhOVujG7k1uoa-HbFrX122kc7RgdnalCbvp6cQ2QHDriS3Na8RUOeAOUmE4g36OWoLwmQIbKI1SYGVBmFM61hWxhZ3cJPwMrmoq1Grj/w640-h406/yo8rcd.jpg" width="640" /></a></div><br /><p></p><div style="text-align: justify;">Singurul dar de valoare este timpul. Va multumesc pentru inca un an impreuna! Cu acesta ocazie va urez sa aveti un an nou cu sanatate, prosperitate si succes in activitate. Ne revedem in 2024! </div><div style="text-align: right;">Costin</div><div><br /></div>Constantin Rusuhttp://www.blogger.com/profile/12959087644397138179noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-46968989558110974492023-12-28T18:44:00.003+02:002023-12-28T18:47:19.229+02:00RF power conversion<html>
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Constantin Rusuhttp://www.blogger.com/profile/12959087644397138179noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-1258293330547829532023-12-28T14:17:00.002+02:002023-12-28T14:17:40.311+02:00XIEGU X6200<html>
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</html>Constantin Rusuhttp://www.blogger.com/profile/12959087644397138179noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-69453448803330425502023-12-24T20:27:00.006+02:002023-12-24T21:30:28.436+02:00Crăciun<div style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhkI5-mHGrZEE2L1mhqW5aqMVcyhc_VcljgEHuJ3ehgkbQJxhcN1hhuvf9Tolys58qttAyR8ajTd7gZue1LNLfBpNjYvAb77K4c1fdOSnbtFPct7VFJQYFmeX2d2Q5-S6RiX1tJ37DPjYzx8hBY_noC8QKkkxoBgucAJquoiKh9habAAyloI-oMn3jy2NlM/s1280/yo8rcd.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="800" data-original-width="1280" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhkI5-mHGrZEE2L1mhqW5aqMVcyhc_VcljgEHuJ3ehgkbQJxhcN1hhuvf9Tolys58qttAyR8ajTd7gZue1LNLfBpNjYvAb77K4c1fdOSnbtFPct7VFJQYFmeX2d2Q5-S6RiX1tJ37DPjYzx8hBY_noC8QKkkxoBgucAJquoiKh9habAAyloI-oMn3jy2NlM/w640-h400/yo8rcd.jpg" width="640" /></a></div><div style="text-align: center;"><br /><span style="font-size: large;"><span style="font-size: medium;"> </span><span style="font-size: large;">Să fiți fericiți și să primiți în dar tot ce-ați visat! Crăciun fericit!</span></span></div>Constantin Rusuhttp://www.blogger.com/profile/12959087644397138179noreply@blogger.com0tag:blogger.com,1999:blog-6920349920850951505.post-6090928395663716712023-12-24T09:40:00.004+02:002023-12-24T09:42:16.413+02:00Live SAQ<center>
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