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Tranzistorski 1.8-7.0Mhz Linear
#42
Probao sam ovo i dobio sam oko 400w. Ali to je bilo sa veoma malom pobudom reda 100mW. Iskreno zacudio sam se odkud toliko pojacanje, medjutim imao sam problem sa pregorevanjem dva tranzistora, glavni krivac je moj digitalni instrument mastec koji me je slagao sa merenjem mirne struje. Umesto 25mA otislo je na preko 170mA sto je mnogo otvorilo tranzistor na 48VDC/30A. Uzeo sam drugi analogni mastec i sokirao se  Confused kada sam utvridio da ovaj ne meri kako treba, razumem da je bilo RF-a pa da pobrljavi ovako nije imao razloga.

No dobro, ostala dva su vracena i testirano je na 13VDC. Na 3.5Mhz mogao sam izvuci 75W. I pre i sada javlja mi se "pevanje" prigusnice koja napaja drejnove.Menjao sam vise komada i materijala. Iako imam 2.2uF, 10nF, 100nF sve skupa oko 10uF na sredisnjem delu primarnog kalema izlaznog transformatora, pa ide prigusnica sa elektrolitom 100uF/350V. Dakle nista se ne greje sve je hladno kao led, osim mlakog hladnjaka posle duzeg vremena sto je normalno. Ovo je samo montazno...


Evo kako peva Big Grin  , mozda vam se ucini da peva nesto drugo ali ne! Naravno emitovao sam SSB od 10Khz namerno da bi se culo.



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Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 08-17-2015, 12:18 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by mikikg - 08-17-2015, 01:20 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 08-17-2015, 01:30 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by mikikg - 08-17-2015, 01:41 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by mikikg - 08-17-2015, 01:59 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 08-17-2015, 02:08 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by mikikg - 08-17-2015, 02:18 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 08-17-2015, 02:19 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 08-17-2015, 02:50 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 08-23-2015, 02:53 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 08-28-2015, 10:12 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by mikikg - 08-28-2015, 11:35 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 08-29-2015, 10:14 AM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 02-28-2016, 05:50 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 02-29-2016, 08:31 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 06-06-2016, 08:47 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Dragan83 - 06-06-2016, 10:16 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 06-07-2016, 07:52 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 06-08-2016, 08:02 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Dragan83 - 06-09-2016, 12:17 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 06-10-2016, 08:54 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 06-12-2016, 08:51 AM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 09-07-2016, 06:28 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 12-18-2016, 11:58 AM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 12-18-2016, 03:35 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 12-18-2016, 05:09 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by emiSAr - 12-18-2016, 06:00 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 12-18-2016, 09:01 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 12-18-2016, 10:07 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 12-18-2016, 10:54 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by emiSAr - 12-18-2016, 11:16 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by yt3mm - 12-19-2016, 11:10 AM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 12-19-2016, 04:42 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 01-16-2017, 10:23 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Dragan83 - 01-17-2017, 09:05 AM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 01-17-2017, 12:30 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Dragan83 - 01-17-2017, 01:27 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by emiSAr - 01-17-2017, 01:51 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Dragan83 - 01-17-2017, 02:03 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 01-17-2017, 08:20 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Dragan83 - 01-18-2017, 08:23 AM
RE: Tranzistorski 1.8-7.0Mhz Linear - by emiSAr - 01-19-2017, 09:16 AM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 01-19-2017, 08:22 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 01-19-2017, 08:49 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 01-19-2017, 09:11 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Dragan83 - 01-19-2017, 10:00 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 01-30-2017, 09:54 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by emiSAr - 01-30-2017, 11:11 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 01-31-2017, 09:59 AM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Dragan83 - 01-31-2017, 08:33 AM
RE: Tranzistorski 1.8-7.0Mhz Linear - by emiSAr - 01-31-2017, 11:05 AM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 01-31-2017, 11:46 AM
RE: Tranzistorski 1.8-7.0Mhz Linear - by emiSAr - 01-31-2017, 01:10 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 01-31-2017, 03:48 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 01-31-2017, 09:51 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 02-01-2017, 10:47 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by emiSAr - 02-01-2017, 11:47 PM
RE: Tranzistorski 1.8-7.0Mhz Linear - by Omegakg - 02-02-2017, 11:50 AM

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