Uh....why not just look at the schematic ? That will show what is done
where. (I don't have one handy, or I'd be more helpful and answer the
question directly)
Gary
AA2IZ
----- Original Message -----
From: "N1EU" <n1eu@yahoo.com>
To: <tentec@contesting.com>
Sent: Tuesday, April 30, 2002 8:43 AM
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
>
>
> __________________________________________________
> Do You Yahoo!?
> Yahoo! Health - your guide to health and wellness
> http://health.yahoo.com
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
|