I"m not sure what bw you are requiring for IP, but I assume you are
talking about the 1st IF of the K3 or K3s.
You do realize that its very wideband at that point. Roofing filters
follow the 1st IF to feed the 2nd IF and DSP ckts. I run two LP-Pan
from the IF of both my main and subRx on the K3. Input bw of the
LP-Pan is 400-KHz and can provide 196-KHz IQ baseband output. I also
have a SDR-IQ with max bw of 190-KHz. I only utilize that bw when
measuring sun noise on 1296; normal bandpass for monitoring is
100-KHz which covers eme sub-bands. For MAP65 I only monitor 60-KHz
(144.095-144.155 MHz); Map65 takes output of two LP-Pan into a
Delta44 soundcard which has 96 KHz bw. My emu0202 can do 196 KHz but
run from K3 audio out its limited to 4-KHz bw.
I would guess the 1st IF would receive bw of a complete band (28-30
MHz on 10m).
73, Ed - KL7UW
http://www.kl7uw.com
Dubus-NA Business mail:
dubus...@gmail.com
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