[R-390] AGC problem

[Cecil Acuff]

Well I figured it would come up so I'll go ahead and bring it up...is that 
10uv at 50 ohms input or 120 ohms.  I'm guessing 120 but our generators are 
nearer 50.  Where's Bob Camp...

Pot stirrer in hand...

Cecil...
----- Original Message ----- 
From: <DJED1 at aol.com>
To: <w5kp at direcway.com>; <JMILLER1706 at cfl.rr.com>; <wabate at dandy.net>; 
<r-390 at mailman.qth.net>
Sent: Friday, December 10, 2004 1:11 PM
Subject: Re: [R-390] AGC problem


> My TM 11-856A   has a graph of AVC voltage versus signal level which you 
> can
> compare with measured results.   It shows about -2V at 10 microvolts 
> in, -3.5V
> at 100, -6.5 at 1000, and -9V at 10,000.   This depends on having set the
> receiver IF gain per the manual.   I haven't seen any data on how flat the 
> AVC
> response is, but I know my receiver audio output increases several dB as I
> increase the RF input by 40 or 60 dB.   Let us know what you find.   I'm 
> going to
> make some measurements and see how well my AVC works.
> Ed   WB2LHI
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