Hi,
Does anyone have design specifics (especially with regard to the high pass
filter corner frequency, and passband-to-stopband attenuation of the high
pass filter) of the M7716 Micor Squelch chip? Since the M7716 chip is no
longer produced, maybe it would be good to emulate it's functionallity using
a few poles of high pass filter, rectification, and a PIC 12F675?
I figure if one could implement the right kind of filtering on the squelch
noise, the PIC 12F675's 10 bit A/D and processor ought to make a nice
implementation of the bi-level squelch.
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