I wonder how the other radios like an IC-7600 can get away with putting it within the agc loop.
John N1JM On Mon, Apr 26, 2010 at 4:46 PM, Joe Subich, W4TV-4 [via Elecraft] <ml-node+4965758-147492153-44...@n2.nabble.com> wrote: > > > On 4/26/2010 7:30 PM, N1JM wrote: >> >> It's a shame. Such a sophisticated high end radio and no notch within the >> agc >> loop. > > Part of the problem is that a DSP radio needs to have the notch after > the AGC since part of the function of AGC is preventing the ADC from > being over driven. If the notch is placed BEFORE the AGC detector > the notch will cause the interfering signal to INCREASE at the input > of the ADC. > > Yes, it would be nice for the notch to allow the receiver to return > to normal gain when the interfering signal is removed but that would > merely cause the HAGC to come into play. > > 73, > > ... Joe, W4TV > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > > > ________________________________ > View message @ > http://elecraft.365791.n2.nabble.com/K3-Notch-tp4963433p4965758.html > To unsubscribe from Re: K3 Notch, click here. > -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-Notch-tp4963433p4965779.html Sent from the [K3] mailing list archive at Nabble.com. ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
