tag:blogger.com,1999:blog-49397699851972375102024-03-21T07:59:44.473-07:00YO2LGX Anonymoushttp://www.blogger.com/profile/04946384318690448999noreply@blogger.comBlogger3125tag:blogger.com,1999:blog-4939769985197237510.post-85313712475592889222012-11-03T09:52:00.002-07:002012-11-08T10:17:08.712-08:00<h2>
<span style="color: blue; font-family: Verdana, sans-serif;"><i>Antena HF multiband pentru lucrul in portabil</i></span></h2>
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<span style="font-family: Verdana, sans-serif;">Antena a fost realizata pornind de la urmatoarele deziderate:</span></div>
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<span style="font-family: Verdana, sans-serif;">1. Sa aiba greutate si dimensiuni reduse si sa fie foarte usor de transportat </span></div>
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<span style="font-family: Verdana, sans-serif;">2. Sa fie functionala pe cat mai multe benzi de radioamatori</span></div>
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<span style="font-family: Verdana, sans-serif;">3. Sa poata fi instalata usor in orice conditii de amplasament.</span></div>
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<span style="font-family: Verdana, sans-serif;"> Dupa multe experimente cu diverse variante de antene portabile, am optat pentru varianta "antena verticala". O antena interesanta era Buddystick a lui W3FF, dar destul de scumpa si nu suficent de mica...totusi ideea constructiva a acestei antene mi s-a parut extrem de interesanta ...si ca urmare am folosit-o!</span></div>
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<span style="font-family: Verdana, sans-serif;"> O alta sursa de inspiratie a fost site-ul american "HQ Antenna", de unde am luat ideea folosirii lobilor capacitivi (capacitive hat), care au ajutat foarte mult la reducerea dimensiunii antenei fara a pierde din eficenta. Acesti lobi capacitivi trebuiesc folositi corespunzator (la o anumita distanta de bobina) altfel efectul ar putea fi invers...</span></div>
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<span style="font-family: Verdana, sans-serif;">Antena are sase componente:</span></div>
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<span style="font-family: Verdana, sans-serif;">1. Baza antenei, formata din 3 tevi de aluminiu care se imbina una cu acealalta prin infiletare. Lungimea totala a bazei fiind de 560 mm.</span></div>
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<span style="font-family: Verdana, sans-serif;">2. Bobina antenei (la care de asemenea montare se face prin infiletare in baza). </span></div>
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<span style="font-family: Verdana, sans-serif;">Aceasta trebuie sa fie de foarte buna calitate, cu diametru cat mai mare si realizata cu sarma argintata, pentru a minimiza pierderile dat fiind valoarea mica a rezistentei de radiatie a antenei. Pe bobina exista prize corespunzatoare fiecarei benzi de lucru (!4, 18, 21 si 24 de MHz), iar pentru benzile de 7 si 10MHz se foloseste o alta bobina, interschimbabila (identica dar cu mai multe spire bobinate cu un pas mai mic).</span></div>
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<span style="font-family: Verdana, sans-serif;">Distanta de montare a bobinei </span><span style="font-family: Verdana, sans-serif;">fata de baza antenei (care coincide cu punctul de alimentare al antenei)</span><span style="font-family: Verdana, sans-serif;"> trebuie sa fie la 1/3 din lungimea totala a antenei pentru a obtine o impedanta corespunzatoare.</span></div>
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<span style="font-family: Verdana, sans-serif;">3. Antena telescopica cu o lungime totala de 125 mm, care se ataseaza la bobina prin infiletare.</span></div>
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<span style="font-family: Verdana, sans-serif;">4. Lobii capacitivi, doi la numar, care se monteaza pe elementul telescopic in locul prevazut.</span></div>
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<span style="font-family: Verdana, sans-serif;">5. Contragreutatea (o sarma infasurata pe un suport, de pe care se desfasoara doar lungimea necesara benzii de lucru </span><span style="font-family: Verdana, sans-serif;">-lambda/4-</span><span style="font-family: Verdana, sans-serif;">, partea infasurata nu are efect) care este conectata la tresa cablului coaxial direct in mufa cu care se fixeaza antena in suport. Pentru suport am folosit o talpa magnetica, foarte utila atunci cand antena se monteaza pe masina (in stationar nu mobil!)... dar folosesc si un trepied (home made) pentru situatile in care amplasamentul nu permite prezenta automobilului ( munte, deal, balconul unui hotel etc.)</span></div>
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<span style="font-family: Verdana, sans-serif;">6. Cablul coaxial are in partea dinspre antena un soc de curent realizat din 12 toruri de ferita FT 50-43, puse unul langa celalalt (cablul coax trece prin toruri) si rigidizate cu un tub termoretractabil.</span></div>
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<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: Verdana, sans-serif;">Antena asamblata</span></td></tr>
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<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: Verdana, sans-serif;">Antena demontata pe componente si husa pentru transport</span></td></tr>
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<span style="font-family: Verdana, sans-serif;">Concluzii:</span></div>
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<span style="font-family: Verdana, sans-serif;"><u>Pro:</u> multi band (de la 7 la 28MHz), extrem de portabila, mica si usoara (demontata nu depaseste dimensiunea unui FT-857D, iar montata are aprox 1,9m), se comporta excelent, nu are nevoie de antenna tuner, este versatila d.p.d.v. al montarii. Rezultaele obtinute au fost peste asteptari...</span></div>
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<span style="font-family: Verdana, sans-serif;"><u>Contra:</u> la fiecare schimbare de banda se configureaza manual, dar in schimb elimina necesitatea folosirii unui antenna tuner (in opinia mea inutil pt lucru in portabil, unde antena trebuie sa rezoneze, nu sa fie pacalita cu un ATU).</span></div>
Anonymoushttp://www.blogger.com/profile/04946384318690448999noreply@blogger.com2tag:blogger.com,1999:blog-4939769985197237510.post-2997216662653524652012-11-03T05:53:00.003-07:002012-11-03T05:53:18.639-07:00<div class="separator" style="clear: both; text-align: center;">
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<span style="font-family: Verdana, sans-serif; font-size: small;">Procesor audio cu SSM2166:</span></h2>
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<span style="font-family: Verdana, sans-serif; font-size: small;">Circuitul integrat SSM 2166 de la Analog Device ofera toate functiile necesare unei procesari de audiofrecventa pentru semnalul de microfon. O descriere detaliata a functionarii acestui integrat se poate gasi in foaia de catalog a fabricantului. </span></div>
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<span style="font-family: Verdana, sans-serif; font-size: small;">Principalele functii ale procesorului sunt: </span></div>
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<span style="font-family: Verdana, sans-serif; font-size: small;">-amplificator de microfon cu amplificare reglabila pana la 20 dB (din semireglabilul de pe pinul 2);</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: small;">-compresor de audiofrcventa, cu raport de compresie reglabil (pin 10),</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: small;">-limitator (cu punctul de rotatie ajustabil - pin11) </span></div>
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<span style="font-family: Verdana, sans-serif; font-size: small;">-noise gate (care mai degraba se comporta ca un downward expander) reglabil din R7 la pinul 9.</span></div>
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgrTAHTl5FIGu8R33w8trQqZPm3cCvOmwPDQo7iTfGLSgyrnjdc5l0LHHUyXF42MeIkyG921FrMTrBXceOzyk0TZsoJYl6NHjSWOWl_0e__5-guOttsnbxvDDGuNibuKx2zbp89c75rLXvx/s1600/Sch.JPG" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgrTAHTl5FIGu8R33w8trQqZPm3cCvOmwPDQo7iTfGLSgyrnjdc5l0LHHUyXF42MeIkyG921FrMTrBXceOzyk0TZsoJYl6NHjSWOWl_0e__5-guOttsnbxvDDGuNibuKx2zbp89c75rLXvx/s1600/Sch.JPG" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: Verdana, sans-serif;">Schema de principiu</span></td></tr>
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<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: Verdana, sans-serif;">Circuitul imprimat</span></td></tr>
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<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: Verdana, sans-serif;">Foto cu relizarea practica</span></td></tr>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">*rezistentele semireglabile sunt multitura si sunt montate prin gauri pe cealalta parte a placii.</span></div>
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<span style="font-family: Verdana, sans-serif;">Dimensiunea montajului este de aprox 3 x 3 cm, ceea ce permite montarea in carcasa de microfon. Alimentarea montajului se face din transceiver.</span></div>
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<span style="font-family: Verdana, sans-serif;">Pentru a preveni fenomenele generate de RFI montajul se ecraneaza, iar ecranul se conecteaza la borna de masa!</span></div>
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<span style="font-family: Verdana, sans-serif;"> Am folosit cu succes acest procesor montat direct in carcasa microfonului MH-31 </span><span style="font-family: Verdana, sans-serif;">la un transceiver FT857D</span><span style="font-family: Verdana, sans-serif;">(dar am inlocuit capsula dinamica originala cu una electret). </span></div>
Anonymoushttp://www.blogger.com/profile/04946384318690448999noreply@blogger.com0tag:blogger.com,1999:blog-4939769985197237510.post-12959427460949221272012-10-30T12:36:00.000-07:002012-11-03T05:10:20.865-07:00New version of my 4m band transverter<div class="separator" style="clear: both; text-align: center;">
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<span style="font-family: Verdana, sans-serif;"><b>Few pictures of my new project "Home made SMD transverter for 4 meter band":</b></span></div>
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<span style="font-family: Verdana, sans-serif;">This project is not finished yet, I have to make the shield box and some power amplifier (QRP of course, no more then ten watts). The target is to build the xverter in an small box for use with my FT-857D. </span></div>
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj8S6BGQGP4ITIcgs4GQSwUsBZdSmKI-YcOrjARRlIvOk3iv2ofwCP83OSYPsBgLtuEUv6Dsb9EmE1u_798XwX2F7rWBYUUPE3UqzODiyPdl4aFCAyJ8f61WMiwq3t3I1IXebEXtuwlA0mX/s1600/RSCN0354.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img alt="PCB-components side" border="0" height="480" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj8S6BGQGP4ITIcgs4GQSwUsBZdSmKI-YcOrjARRlIvOk3iv2ofwCP83OSYPsBgLtuEUv6Dsb9EmE1u_798XwX2F7rWBYUUPE3UqzODiyPdl4aFCAyJ8f61WMiwq3t3I1IXebEXtuwlA0mX/s640/RSCN0354.jpg" title="" width="640" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: Verdana, sans-serif; font-size: small; text-align: start;">PCB - components side</span></td></tr>
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<span style="font-family: Verdana, sans-serif;">The size of PCB is only 70 x 50 mm. </span></div>
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<span style="font-family: Verdana, sans-serif;"><b>Transmit</b>:</span></div>
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<span style="font-family: Verdana, sans-serif;">-The device can easy handle 5 Watts of RF Power to the input (delivered from transceiver) thanks to the 50 Ohm dummy load ( two parallel resistors 100 ohm/3W each). </span></div>
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<span style="font-family: Verdana, sans-serif;">-The switching is fully automatic (using RF VOX circuit on the transceiver side). </span></div>
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<span style="font-family: Verdana, sans-serif;">-The output power is around 400mW on 50 ohm load, using the 2N4427 (Motorola) transistor.</span></div>
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<span style="font-family: Verdana, sans-serif;"><b>Receive:</b></span></div>
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<span style="font-family: Verdana, sans-serif;">On Rx I used a classic configuration with two low noise MOSFET's (BF996S) and the results are very fine. </span></div>
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<span style="font-family: Verdana, sans-serif;">The oscillator is also classic...nothing special, but is doing the job.</span></div>
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<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: Verdana, sans-serif; font-size: small; text-align: start;">PCB - solder side</span></td></tr>
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUEZTGC150zuYv4DTT_O-g4ntoRToFOS8U4b2Ux8AESHV34JKyJmCZ4-2n1EBelPwm1emTqId4VDT6pvUb-ZZ5wo2SrwKbd_kl4q5ghs3X3y8qs7hV5ORTSn9tLefSqhWfETb3IHvLgh0f/s1600/sch.bmp" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUEZTGC150zuYv4DTT_O-g4ntoRToFOS8U4b2Ux8AESHV34JKyJmCZ4-2n1EBelPwm1emTqId4VDT6pvUb-ZZ5wo2SrwKbd_kl4q5ghs3X3y8qs7hV5ORTSn9tLefSqhWfETb3IHvLgh0f/s1600/sch.bmp" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="background-color: yellow; font-family: Verdana, sans-serif; font-size: small;">Schematic diagram</span><span style="font-family: Arial, Helvetica, sans-serif;"> </span></td></tr>
</tbody></table>
<table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody>
<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiKTqpI79pLMNE9DiXPMhfuHw8PoS2XaedNc1S3tkeV9UKPylOQxfXFY7CrJhEQM516qj1LpUiIRlWJJV7LJmrDQ28RgGWXSBEge1W7HFVlzj4Nh6fcfXkHU8-qReJJ9gC3LOr2KKMycetq/s1600/pcb.bmp" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiKTqpI79pLMNE9DiXPMhfuHw8PoS2XaedNc1S3tkeV9UKPylOQxfXFY7CrJhEQM516qj1LpUiIRlWJJV7LJmrDQ28RgGWXSBEge1W7HFVlzj4Nh6fcfXkHU8-qReJJ9gC3LOr2KKMycetq/s1600/pcb.bmp" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="background-color: yellow; font-family: Verdana, sans-serif; font-size: small;">Printed circuit board</span></td></tr>
</tbody></table>
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<h3>
<span style="font-family: Verdana, sans-serif; font-size: small;">Some older version of 4 meter band transverter:</span></h3>
<table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody>
<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjVf0PUUNZJGf0dG57TflHyCYm85WDitiO0FiHSSrqbIkQMMXOORI0ChHhgR_IpgIfTvNaNzMEaNMZzXI8LDBjK9Y6bGXlUSLj5ZQPaWkKe1eu66KVD6mzlUvyLgSK_lWcbH1P-4XRkEzux/s1600/70MHz+setup.JPG" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" height="480" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjVf0PUUNZJGf0dG57TflHyCYm85WDitiO0FiHSSrqbIkQMMXOORI0ChHhgR_IpgIfTvNaNzMEaNMZzXI8LDBjK9Y6bGXlUSLj5ZQPaWkKe1eu66KVD6mzlUvyLgSK_lWcbH1P-4XRkEzux/s640/70MHz+setup.JPG" width="640" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: Verdana, sans-serif;">The setup with old transveter (6m to 4m)</span></td></tr>
</tbody></table>
<table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody>
<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiVuQZTYPoxENqWDciKkise1n9aO5byKOTNCcxDgmMi9dX8bwV44NpWWoR9m_0tPEOD_vQhfxmqYg7uceEWXD-HmWZb4XLIMoH9VamyjcG9aS_LsnMK6OWBWN3B9zN_KVeIe43zIHGdTUCy/s1600/Imagine0056.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" height="480" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiVuQZTYPoxENqWDciKkise1n9aO5byKOTNCcxDgmMi9dX8bwV44NpWWoR9m_0tPEOD_vQhfxmqYg7uceEWXD-HmWZb4XLIMoH9VamyjcG9aS_LsnMK6OWBWN3B9zN_KVeIe43zIHGdTUCy/s640/Imagine0056.jpg" width="640" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: Verdana, sans-serif;">The motherboard of 6m to 4m tansverter</span></td></tr>
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<div style="text-align: right;">
<br /></div>
<div style="text-align: center;">
<table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody>
<tr><td><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhBer1kaPW4l59b_0D66FdVAT6dCx7v7k69zhfvZ2XzmchEWqchvQf133p8A3nSyUhjQxRBGSzRg5wi7EvfTKo72r_ORMQ7dWJltubDY98xOPb4aKF2vOnBouCaVUDoL_mZtYLjfcG64SW9/s1600/Transverter+70MHz.JPG" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" height="494" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhBer1kaPW4l59b_0D66FdVAT6dCx7v7k69zhfvZ2XzmchEWqchvQf133p8A3nSyUhjQxRBGSzRg5wi7EvfTKo72r_ORMQ7dWJltubDY98xOPb4aKF2vOnBouCaVUDoL_mZtYLjfcG64SW9/s640/Transverter+70MHz.JPG" width="640" /></a></td></tr>
<tr><td class="tr-caption" style="font-size: 13px;"><span style="font-family: Verdana, sans-serif;">Schematic diagram</span></td></tr>
</tbody></table>
</div>
<br />
<table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody>
<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_NQwaHAb54S2txTQyeBRhCggSEHPS3Ugzf9aw2NzYWuhXz5N4WGqMiDycjAJuWd71Lb2HfJmBVwBhCeOfzzAdZXhs55koWrohxu1P0Dr1Lznxba8RI7UBkMPOP-r9i2vfPr83ULDe0Zor/s1600/DSC03148.JPG" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" height="480" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_NQwaHAb54S2txTQyeBRhCggSEHPS3Ugzf9aw2NzYWuhXz5N4WGqMiDycjAJuWd71Lb2HfJmBVwBhCeOfzzAdZXhs55koWrohxu1P0Dr1Lznxba8RI7UBkMPOP-r9i2vfPr83ULDe0Zor/s640/DSC03148.JPG" width="640" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: Verdana, sans-serif;">Inside view</span></td></tr>
</tbody></table>
<table cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody>
<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh6OyPOLzB9e9CGOqKE7qoTDCi7sA30T1vlsqz40XaQ1gjb6dhyphenhypheniAMANnxQix1ZKhIK5apM-wOYXzpZSVLUhvBIKh309RiAj5CtL_8XI4z9Nuk8AfKXKD_HzraDBVWqw_8GZAByGBGHxLCw/s1600/PA+70MHz.JPG" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" height="492" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh6OyPOLzB9e9CGOqKE7qoTDCi7sA30T1vlsqz40XaQ1gjb6dhyphenhypheniAMANnxQix1ZKhIK5apM-wOYXzpZSVLUhvBIKh309RiAj5CtL_8XI4z9Nuk8AfKXKD_HzraDBVWqw_8GZAByGBGHxLCw/s640/PA+70MHz.JPG" width="640" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: Verdana, sans-serif;">Schematic diagram</span></td></tr>
</tbody></table>
<table cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody>
<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg1B6fgfHSHDk7awndmLLw8GPEOkd_HpnNA7dqHANsJE6xXWT4VRFSW7yGSNHm30AkedHtC5xycaXEvZbAmfCqtipH8_JCK3V-IvKrnjkG_M4Fq1shrQUOCsMs8ScnekOyvC5O6teAMQvsz/s1600/DSC03155.JPG" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" height="480" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg1B6fgfHSHDk7awndmLLw8GPEOkd_HpnNA7dqHANsJE6xXWT4VRFSW7yGSNHm30AkedHtC5xycaXEvZbAmfCqtipH8_JCK3V-IvKrnjkG_M4Fq1shrQUOCsMs8ScnekOyvC5O6teAMQvsz/s640/DSC03155.JPG" width="640" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: Verdana, sans-serif;">Old PA 10Wout with KT 606 - driver and BLY 88 - final</span></td></tr>
</tbody></table>
<table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody>
<tr><td style="text-align: center;"><br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi3jEcxByiQ_hcv4mY1MTwj8RAGBYIStVyswwLY5HFhF_lthvBoplwO1gWbWDDzUWSLc3wmTvdpmW2eihpAbcMcBXOU38KPgiV17tw1n3lTAT3iiuc8Anfa0_NP7tMf44RROF_230NgDPdQ/s1600/XVRT+70MHz.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi3jEcxByiQ_hcv4mY1MTwj8RAGBYIStVyswwLY5HFhF_lthvBoplwO1gWbWDDzUWSLc3wmTvdpmW2eihpAbcMcBXOU38KPgiV17tw1n3lTAT3iiuc8Anfa0_NP7tMf44RROF_230NgDPdQ/s400/XVRT+70MHz.jpg" width="400" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: Verdana, sans-serif;">Other version of 10m to 4m transverter used before with IC-756PRO</span></td></tr>
</tbody></table>
<br />
<br />
<table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody>
<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgdPCtHpOM5S1372C8XknscEvFChsmtighdBQqy_zXvhLTHBsvMhuUPECLkWMQ4KGi2oaXmgJCB_m9BuMtISnxMCwKBdXS4wSTVqjBiFHqpA4MERzAV4I0nCB97jnItk19EZX42vJZH0gRA/s1600/DSC02640.JPG" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgdPCtHpOM5S1372C8XknscEvFChsmtighdBQqy_zXvhLTHBsvMhuUPECLkWMQ4KGi2oaXmgJCB_m9BuMtISnxMCwKBdXS4wSTVqjBiFHqpA4MERzAV4I0nCB97jnItk19EZX42vJZH0gRA/s400/DSC02640.JPG" width="400" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: Verdana, sans-serif;">Mother board and 10w-PA of 10m to 4m transverter (older version)</span></td></tr>
</tbody></table>
<div style="text-align: center;">
<span style="font-family: Verdana, sans-serif;"><br /></span></div>
<span style="font-family: Verdana, sans-serif;">To be continued...</span><br />
<div class="separator" style="clear: both; text-align: center;">
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<span style="font-family: Verdana, sans-serif;"> </span>Anonymoushttp://www.blogger.com/profile/04946384318690448999noreply@blogger.com0