Topband: BCB Filter Recommendation?

Jim Brown jim at audiosystemsgroup.com
Fri Apr 17 00:51:02 EDT 2020


On 4/16/2020 9:24 PM, Richard (Rick) Karlquist wrote:
> 10 dB down at 1579 kHz is not good enough for many QTH's.
> I have a very strong local station at 1700 kHz,
> for example, and another at 1530 kHz.

As Rick and Frank have observed, the operating frequency(ies) of the BC 
stations you need to suppress matters a lot. The better 160M bandpass 
filters are probably all you need for a BC station low in the band, but 
you'll need to go in loaded for bear to kill a strong station high in 
the band.

73, Jim K9YC




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