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1. [Amps] MRF141g amp kit offered by CCI (score: 1): Author: Ian Roberts <itrmail2003@yahoo.com>; Date: Mon, 22 Aug 2011 02:06:08 -0700 (PDT); Does anyone have experience using this Motorola RF power MOSFET device in the kit AR313 300W offered by Communication Concepts, Inc? The appeal is the broadband capability across 10MHz to 150 MHz. Th; /archives//html/Amps/2011-08/msg00138.html (8,817 bytes)
2. Re: [Amps] MRF141g amp kit offered by CCI (score: 1): Author: "Han Higasa" <higasa@plum.ocn.ne.jp>; Date: Mon, 22 Aug 2011 18:24:49 +0900; hi Ian I have bought one MRF151G kit from CCI and made experiments for long. There are some tips to tell. It has too much power even on 2nd and 3rd harmonics such as -16dBc (7.5W @300W out). You need; /archives//html/Amps/2011-08/msg00139.html (8,871 bytes)
3. Re: [Amps] MRF141g amp kit offered by CCI (score: 1): Author: Ian Roberts <itrmail2003@yahoo.com>; Date: Tue, 23 Aug 2011 04:03:51 -0700 (PDT); Hello Han, Pity the frequency used was not mentioned. Your amp is running at 7.5/300W = 16dB power gain (also achieved in the application note), which is way too high and could account for the instab; /archives//html/Amps/2011-08/msg00153.html (11,348 bytes)
4. Re: [Amps] MRF141g amp kit offered by CCI (score: 1): Author: Paul Decker <kg7hf@comcast.net>; Date: Tue, 23 Aug 2011 16:10:19 +0000 (UTC); Hi Ian, I've had similar expierences with Han, although I was trying to get the kit to work from 1.8 to 60 Mhz. I found it very difficult to bias the kit and to keep oscillation from occuring and ve; /archives//html/Amps/2011-08/msg00155.html (8,550 bytes)
5. Re: [Amps] MRF141g amp kit offered by CCI (score: 1): Author: "Han Higasa" <higasa@plum.ocn.ne.jp>; Date: Wed, 24 Aug 2011 13:50:10 +0900; No Ian, as you mentioned 12dB down (19W @ 300W out) , meant I have obtained harmonics signal level of 7.5W at 300W out after balancing both FETs with independent gate bias circuits. My CCI kit has co; /archives//html/Amps/2011-08/msg00159.html (9,027 bytes)

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