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ESR metar
#41
(08-13-2014, 10:22 PM)mikikg Wrote: Evo otvoricu novu temu oko VNA posto je u pitanju malo slozenija prica.
Nemam trenutnoi shemu jer treba da se prvo neki koncept usvoji i da se postavi "proposal" tj neka specifikacija koju zelimo da realizujemo.
Posle toga ide analiza i diskusija kako to sve prakticno realizovati a na kraju ide suva matematika koja merenja treba da prikazu u nekom grafickom formatu. Tu ce nam trebati pomoc starih VIP vukova, ne znam ni ja bas sve oko toga Smile

Ja sam svojevremeno (zadnji put 2011.) doneo drugarima iz Radio kluba par kitova za VNA sa opsegom od 1kHz do 1.3GHz. Cena je bila negde oko 250 Lstg. (brit. funti). Medjutim, taj kit se od polovine 2011. više ne prodaje, već samo gotov uredjaj za 330Lstg +P&P. Svi su bili oduševljeni mogućnostima koje je taj uredjaj imao, mada je bio prilično skup. Zato pozdravljam inicijativu da se nešto takvo napravi u sopstvenoj režiji.
Evo linka za taj VNA:
http://sdr-kits.net/VNWA3_Description.html

Pozdrav

Edit: Pošto je taj VNA proveren, moglo bi se početi sa njegovom specifikacijom, pa videti šta nam od toga treba itd.
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Messages In This Thread
ESR metar - by viktor1986 - 08-03-2014, 06:55 PM
RE: ESR metar - by samuki - 08-03-2014, 09:00 PM
RE: ESR metar - by viktor1986 - 08-04-2014, 09:11 AM
RE: ESR metar - by samuki - 08-04-2014, 09:41 AM
RE: ESR metar - by viktor1986 - 08-04-2014, 04:39 PM
RE: ESR metar - by samuki - 08-04-2014, 04:42 PM
RE: ESR metar - by viktor1986 - 08-04-2014, 04:59 PM
RE: ESR metar - by samuki - 08-04-2014, 05:17 PM
RE: ESR metar - by viktor1986 - 08-04-2014, 09:09 PM
RE: ESR metar - by TDA - 08-04-2014, 10:30 PM
RE: ESR metar - by viktor1986 - 08-05-2014, 07:57 AM
RE: ESR metar - by saggit - 08-05-2014, 08:18 AM
RE: ESR metar - by TDA - 08-05-2014, 09:57 AM
RE: ESR metar - by viktor1986 - 08-05-2014, 12:33 PM
RE: ESR metar - by saggit - 08-05-2014, 03:24 PM
RE: ESR metar - by TDA - 08-05-2014, 02:59 PM
RE: ESR metar - by mikikg - 08-05-2014, 03:13 PM
RE: ESR metar - by TDA - 08-05-2014, 03:53 PM
RE: ESR metar - by mikikg - 08-05-2014, 04:07 PM
RE: ESR metar - by TDA - 08-05-2014, 07:05 PM
RE: ESR metar - by viktor1986 - 08-12-2014, 03:02 PM
RE: ESR metar - by Jevrem - 08-12-2014, 03:18 PM
RE: ESR metar - by TDA - 08-12-2014, 05:46 PM
RE: ESR metar - by Jevrem - 08-12-2014, 08:51 PM
RE: ESR metar - by TDA - 08-12-2014, 09:55 PM
RE: ESR metar - by Jevrem - 08-13-2014, 08:36 AM
RE: ESR metar - by TDA - 08-13-2014, 05:02 PM
RE: ESR metar - by viktor1986 - 08-13-2014, 10:09 AM
RE: ESR metar - by viktor1986 - 08-13-2014, 05:25 PM
RE: ESR metar - by ronovar - 08-13-2014, 07:25 PM
RE: ESR metar - by mikikg - 08-13-2014, 08:23 PM
RE: ESR metar - by viktor1986 - 08-13-2014, 07:32 PM
RE: ESR metar - by azecevic - 08-13-2014, 08:42 PM
RE: ESR metar - by mikikg - 08-13-2014, 09:24 PM
RE: ESR metar - by ronovar - 08-13-2014, 10:09 PM
RE: ESR metar - by ronovar - 08-13-2014, 09:06 PM
RE: ESR metar - by azecevic - 08-13-2014, 09:42 PM
RE: ESR metar - by mikikg - 08-13-2014, 10:08 PM
RE: ESR metar - by mikikg - 08-13-2014, 10:22 PM
RE: ESR metar - by Braca - 08-13-2014, 10:39 PM
RE: ESR metar - by azecevic - 08-13-2014, 10:28 PM
RE: ESR metar - by Macola - 08-13-2014, 11:18 PM
RE: ESR metar - by mikikg - 08-13-2014, 11:36 PM
RE: ESR metar - by TDA - 08-16-2014, 01:49 PM
RE: ESR metar - by Jevrem - 08-16-2014, 01:59 PM
RE: ESR metar - by TDA - 08-16-2014, 02:08 PM
RE: ESR metar - by mikikg - 08-17-2014, 12:39 AM
RE: ESR metar - by azecevic - 08-17-2014, 12:59 AM
RE: ESR metar - by mikikg - 08-17-2014, 01:10 AM
RE: ESR metar - by azecevic - 08-17-2014, 01:46 AM
RE: ESR metar - by viktor1986 - 08-22-2014, 08:11 PM
RE: ESR metar - by TDA - 08-22-2014, 08:57 PM
RE: ESR metar - by ronovar - 08-22-2014, 09:13 PM
RE: ESR metar - by mikikg - 08-22-2014, 09:18 PM
RE: ESR metar - by viktor1986 - 08-22-2014, 09:32 PM
RE: ESR metar - by mikikg - 08-22-2014, 09:36 PM
RE: ESR metar - by viktor1986 - 08-23-2014, 02:49 PM
RE: ESR metar - by HomeMadeAudioProject - 08-22-2014, 09:39 PM
RE: ESR metar - by ronovar - 08-22-2014, 09:41 PM
RE: ESR metar - by HomeMadeAudioProject - 08-22-2014, 10:52 PM
RE: ESR metar - by acivoj - 08-28-2014, 09:48 AM
RE: ESR metar - by ronovar - 08-28-2014, 10:04 AM
RE: ESR metar - by azecevic - 08-28-2014, 10:19 AM
RE: ESR metar - by acivoj - 08-28-2014, 10:10 AM
RE: ESR metar - by ronovar - 08-28-2014, 12:29 PM
RE: ESR metar - by tesla017 - 10-29-2014, 05:59 PM
RE: ESR metar - by Gosha - 10-29-2014, 08:42 PM
RE: ESR metar - by tesla017 - 10-29-2014, 10:37 PM
RE: ESR metar - by emiSAr - 10-31-2014, 10:22 AM
RE: ESR metar - by tesla017 - 10-31-2014, 11:28 AM
RE: ESR metar - by emiSAr - 10-31-2014, 11:37 AM
RE: ESR metar - by acivoj - 10-31-2014, 01:38 PM
RE: ESR metar - by viktor1986 - 11-19-2014, 08:27 PM
RE: ESR metar - by HomeMadeAudioProject - 11-19-2014, 08:52 PM
RE: ESR metar - by TDA - 11-19-2014, 09:13 PM
RE: ESR metar - by tesla017 - 11-19-2014, 09:59 PM
RE: ESR metar - by samuki - 11-20-2014, 11:52 AM
RE: ESR metar - by viktor1986 - 11-20-2014, 01:49 PM
RE: ESR metar - by Dragan83 - 01-22-2017, 07:53 PM
RE: ESR metar - by milepa. - 01-22-2017, 09:02 PM
RE: ESR metar - by Dragan83 - 01-22-2017, 09:13 PM
RE: ESR metar - by emiSAr - 01-22-2017, 09:02 PM
RE: ESR metar - by Dragan83 - 01-22-2017, 09:08 PM
RE: ESR metar - by milepa. - 01-22-2017, 09:17 PM
RE: ESR metar - by emiSAr - 01-22-2017, 09:18 PM
RE: ESR metar - by milepa. - 01-22-2017, 09:20 PM
RE: ESR metar - by Dragan83 - 01-22-2017, 09:25 PM
RE: ESR metar - by milepa. - 01-22-2017, 09:33 PM
RE: ESR metar - by Dragan83 - 01-22-2017, 09:40 PM
RE: ESR metar - by Dragan83 - 01-22-2017, 09:47 PM
RE: ESR metar - by emiSAr - 01-22-2017, 09:48 PM
RE: ESR metar - by tesla017 - 01-22-2017, 10:00 PM
RE: ESR metar - by LordZi - 01-22-2017, 10:33 PM
RE: ESR metar - by Dragan83 - 01-23-2017, 08:01 AM
RE: ESR metar - by LordZi - 01-23-2017, 09:33 AM
RE: ESR metar - by Dragan83 - 01-23-2017, 10:53 AM
RE: ESR metar - by Dragan83 - 01-23-2017, 04:55 PM
RE: ESR metar - by emiSAr - 01-23-2017, 05:41 PM
RE: ESR metar - by branko tod - 01-23-2017, 06:16 PM
RE: ESR metar - by Dragan83 - 01-23-2017, 08:00 PM
RE: ESR metar - by Dragan83 - 01-23-2017, 08:33 PM
RE: ESR metar - by LordZi - 01-23-2017, 10:09 PM
RE: ESR metar - by emiSAr - 01-23-2017, 10:19 PM
RE: ESR metar - by Dragan83 - 01-24-2017, 08:50 AM
RE: ESR metar - by emiSAr - 01-24-2017, 09:23 AM
RE: ESR metar - by Dragan83 - 01-24-2017, 03:59 PM
RE: ESR metar - by Dragan83 - 01-28-2017, 04:31 PM
RE: ESR metar - by LordZi - 01-28-2017, 06:16 PM
RE: ESR metar - by emiSAr - 01-28-2017, 05:24 PM
RE: ESR metar - by Dragan83 - 01-28-2017, 08:12 PM
RE: ESR metar - by tesla017 - 01-28-2017, 08:20 PM
RE: ESR metar - by Dragan83 - 01-28-2017, 08:23 PM
RE: ESR metar - by tesla017 - 01-28-2017, 08:54 PM
RE: ESR metar - by Dragan83 - 01-28-2017, 08:58 PM
RE: ESR metar - by LordZi - 01-28-2017, 08:58 PM
RE: ESR metar - by tesla017 - 01-29-2017, 09:46 AM
RE: ESR metar - by LordZi - 01-29-2017, 10:39 AM
RE: ESR metar - by Dragan83 - 01-29-2017, 05:15 PM
RE: ESR metar - by LordZi - 01-29-2017, 06:41 PM

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