[TenTec] Would like Corsair II comments

[Carl Moreschi]

Tentec's first transceiver with IF derived AGC was the Paragon.
That was followed by the Omni V.

Carl Moreschi N4PY
Franklinton, NC
----- Original Message ----- 
From: "N1EU" <n1eu@yahoo.com>
To: <tentec@contesting.com>
Sent: Tuesday, April 30, 2002 12:43 PM
Subject: [TenTec] Would like Corsair II comments


> I think Carl and Steve are both correct.  The
> audio-derived AGC scheme seems to have continued from
> the Triton to the Omni and finally to the Corsair. 
> Depending on the rig, there was an audio notch filter
> and/or audio bandpass filter within the agc loop.  
> 
> IMHO, this AGC scheme should have been retired before
> the introduction of the Corsair and an i.f. agc scheme
> used.  It wasn't until the Omni V that this finally
> occurred.
> 
> 73,
> Barry  N1EU
> 
> 
> >I believe they used audio derived AGC to get the
> >audio notch in the AGC loop.
> 
> 
> > Gerald:
> > Just curious about the filter delay comment. I
> always thought the delay
> > was in the audio/agc circuit which caused it not to
> respond as fast as it
> > should. Also can you comment on why you think TT
> used audio agc instead
> > of IF agc? I've seen some really simple IF agc
> circuits that work great.
> > Do you suppose it was just a carry over from the
> Triton/Argo days when cw
> > selectivity was dependent on the af filter being in
> the agc loop?
> >
> > N4LQ
> 
> 
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