I've looked at three 400 Hz filters to date and values do vary from
filter to filter; one of mine required 6 dB gain. Other 8-pole filter
bandwidths also vary a bit as well.
Just measure all the filters in the radio and true up the gains. Don't
need to worry about what the actually gain numbers are, as long as they
can be goosed up to a uniform level.
on 08 Nov 11 Tue 10:44 [EMAIL PROTECTED] said the following:
Hi Ken,
The 2 dB number is bogus, in my opinion/experience.
At least for me the 2dB recommendation for the 400Hz hit the nail
right on the head. But on the other hand, I am not much of CW man.
vy 73 de toby
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