[Elecraft] OT: Dayton New Equipment Show

Tom Azlin N4ZPT tom at n4zpt.org
Sat May 19 19:57:53 EDT 2012


decimation counts

On 5/19/2012 7:29 PM, Joe Subich, W4TV wrote:
> The issue will be the severely limited dynamic range of the 16 bit
> ADC.  Without effective AGC ahead of the ADC there *will* be overload
> problems on crowded bands (e.g. 160/80/40) where any transceiver must
> deal with many extremely strong ("local") signals while maintaining
> maximum sensitivity.  With AGC, the strong local signals will cause
> "blocking" as the gain is reduced to prevent overflow of the ADC.



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