JT,
No need to wait for the N-Gen for the Bandpass filter alignment - just
initially peak the BPF in receive using only band noise (connect your 6
meter antenna or just a piece of wire to the antenna jack center
conductor). Once you have the BPF peaked on receive (this is only an
initial alignment to get things 'into the ballpark' - peak for maximum
antenna noise), then do the Transmit BPF alignment. It is easier to
observe the peak during the transmit alignment, and when that is done,
it will be correct for both receive and transmit.
The N-Gen will come in handy when you are doing the IF filter alignment
(CAL FIL) using the Spectrogram display - for that process, a broadband
noise source is best - and the N-Gen is a broadband noise generator.
73,
Don W3FPR
JT Croteau wrote:
Thanks to N6TR, N0SS, and W3FPR for their explanations and reassurances.
I've just completed all of the Part II test/alignment procedures
except for the Band Pass Filter Alignment. I'm ordering an N-Gen next
week and may hold off on this alignment until it arrives. My 40-Meter
dipole is currently coiled up under the bench waiting for helpers to
come over and get it in the air. The only antenna up at the moment
here is an indoor 6-Meter dipole.
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