MY general definition is still a valid one. it doesn't matter if it is
a Micor or MASTRII. the difference is how the detector works, meaning
the attack and delay timming is adjusted depending on the level of
quieting seen at the detector.
Now, are you one of the engineers that worked on the Micor OR the
MASTRII sqsuelch circuits? If you were, you would know enough to know
that I'm right.
73 ALL
AC0Y
--- In Repeater-Builder@yahoogroups.com, Bob Dengler <[EMAIL PROTECTED]> wrote:
> At 6/10/2005 06:56 PM, you wrote:
> >Lets face it, COS or what ever you want to call it is nothing more
> >than a VOX circuit that works on high frequency noise. first the
> >audio goes through a High pass filter of some sort then through an
> >amplifier then to a detector circuit that drives a transistor
> >switch. OH by the way, the switch is used to mute the receiver and
> >viola a squelch circuit is born.
> >NOTHING DIFFICULT ABOUT IT.
>
> ...unless you don't want to hear long 500 millisecond squelch
> crashes. Just ask the engineers that designed the Micor or Mastr II
> squelch circuits.
>
> Bob NO6B
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