[hpsdr] FS: two AN-762 homebrew amplifiers

Ken N9VV n9vv at wowway.com
Mon Jun 14 16:54:31 PDT 2010


AN-762 amplifier pictures on my website:
http://www.n9vv.com/Images/AN-762-002.jpg
http://www.n9vv.com/Images/AN-762-003.jpg

thanks,
73 de Ken N9VV

On 6/14/2010 5:09 PM, Ken N9VV wrote:
> ***** High Performance Software Defined Radio Discussion List *****
>
> I am trying to raise some $$ for HPSDR projects.
>
> I have two amplifiers for sale together with bandpass filters.
> I purchased them from a seasoned HPSDR builder. Each is in a
> heavy duty die cast aluminum chassis/box.
>
> Two Communication Concepts (Dayton) AN762 (Motorola design note
> AN762) amplifiers in series. The amplifiers operate over the 1.6
> to 30 MHZ frequency band with a 13.6 Vdc power supply. Two MRF454
> transistors are used to generate a 25 watt output from .5 Watt
> Penelope signal in the first Amp. The AN762 HF amplifier was also
> featured in the ARRL HANDBOOK. The second AN762 is designed for an
> output of 180 watts using two MRF421 transistors. It has the big heat
> sink on it.
>
> The 6 band pass filters are also from Communications Concepts and
> are built and tested in separate mini boxes (one box for each
> band) with a UHF 239 jack on both ends of each box (6 filters
> total 160, 80, 40, 20, 15, and 10 meters):
> also see: http://www.communication-concepts.com/an762.htm
>
> The lower power amplifier has Powerpole connectors. I used it with my
> Penelope and it seems to work fine. I did not install and test the
> larger amplifier. These are intended for an experienced builder and are
> not plug-and-play. I will include the T/R circuitry that I received with
> the amplifiers.
>
> serious offers only please,
> thank you very much for reading my email,
> 73 de Ken N9VV
> http://www.n9vv.com
> <n9vv at wowway dot com>
>

 1276559671.0


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