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Re: [TenTec] Omni D unstable digital readout

To: geraldj@weather.net, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Omni D unstable digital readout
From: Mike Bryce <prosolar@sssnet.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Tue, 30 Jun 2009 18:14:51 -0400
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
thanks for the note..

the counter in this rig is just a frequency counter on a chip,

I seem to have all the strobe, gate and reset pulses.

however using my well calibrated finger tip. I found what seems to be  
a really hot IC, one of the multiplexer decoders,

The search goes on!

Mike Bryce, WB8VGE
  the heathkit shop
SunLight energy systems
J e e p

> Counters in Corsair IIs have problems with dried out electrolytics
> bypassing and maybe coupling on the counter board. Their counter is a
> microprocessor chip, so also supplies the keyer function. I'd suggest
> board grounds if they come from mounting screws are a problem in all
> radios. Regularly (every few years) tightening the board mounting  
> screws
> cures many ills.
> 73, Jerry, K0CQ
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