I disagree that an audio delay board negates the positive effect of a
MICOR squelch. I have several repeaters where the controllers utilize
an audio delay and MICOR squelch and none of them suffer any
deficiencies because of the presence of the audio delay. In fact, it's
nice to have a clean squelch tail after someone unkeys that exhibits a
C/N that produces the longer tail.
I think we need to get to the reasons why a multi-hysteresis squelch
works and why it is desired. Then determine if there is a need for a
"real" MICOR clone. I say real, because in my opinion, the
microprocessor knock-offs that are available are not equivalents, none
the less superior to the original analog design.
Kevin Custer
Skipp does have a really good point... I worked pretty hard to
incorporate a micor chip onto a circuit board with an MX Com (whatever
they are now) CTCSS chip, and audio gating, etc... a "universal
receiver interface" board. Fabricated it, made it all work really
nicely. Spent about a month of spare time breadboarding it, getting it
right, layout out the board, fabricating... Then realized that the
audio delay board in my controller made the micor chip a real moot
point :)
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