[TenTec] IF DSP vs. AF DSP

[John]

So are you saying that we should keep the AGC on slow when using a narrow
bandwith or noise reduction ?  to prevent A/D overload ?    John
----- Original Message -----
From: "Marijan Miletic, S56A" <s56a at bit.si>
To: <tentec at contesting.com>
Sent: Friday, January 30, 2004 7:01 AM
Subject: [TenTec] IF DSP vs. AF DSP


> Todays HF RX technology does bandwidth limited IF DSP at only 36 kHz or
> baseband processing at 0-3 kHz.
> There are more cycles available at IF carrier and better detection results
> can be achieved.
> TS-570 and many other DSP RX problems come from fast AGC preventing A/D
> converter overflow.
> It is so audible on TS-970 as CW keying by nearby strong signals within
> roofing filter.
>
> 73 de Mario, S56A, N1YU
>
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