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Re: [TenTec] Corsair II AGC

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Corsair II AGC
From: Steve Hunt <steve@karinya.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Tue, 22 Nov 2011 21:56:09 +0000
List-post: <mailto:tentec@contesting.com>
You might try experimenting with the value of R46 - it determines how fast the agc will track a varying signal. If it's a very high value, or is removed entirely, the agc couldn't track a varying signal at all - it would simply freeze until the end of the "hang" period.

There's a more detailed description by me of how the CorsairII agc circuitry works here:
http://corsair.wikidot.com/corsair-agc

By the way, I love the Corsair's hang agc and converted my OmniVI to something very similar! "Every man to his own" as they say!

73,
Steve

On 22/11/2011 14:53, scottsheppard@videotron.ca wrote:
I know this has been discussed at some length--and by the looks of my corsair 
II several mods have been made--including a 16v 1000uF electrolytic capacitor 
across one of the connector pins.

I can actually live with the popping to some extent but what I find annoying is 
the S-meter that seems very non-responsive...it seems to just rise up to a 
certain level and then just fall off as opposed to undulating with the 
signal...perhaps a minor point, but I work a lot of low signal  level cw and 
enjoy experimenting with antennas...often the change in S-meter is the only 
indication to determine what is working better. I also like to watch the 
S-meter move about with the signal strength. Is the cap not discharging fast 
enough?

If anyone has some thoughts on or off list I would welcome same.

kind regards,

scott va3ied

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