Thanks to all for the replies. I'm glad they tried to at least mimic the Micor. Thanks again!
Adam N2ACF Bob M. wrote: > I sit corrected. Sorry if my info misled anyone. > > They tried to mimic the Micor squelch without the Micor chip. I've never had > one work that way, possibly because I'm not using the internal repeater > configuration. > > Bob M. > ====== > --- On Thu, 3/19/09, nj902 <wb0...@arrl.net> wrote: > > >> From: nj902 <wb0...@arrl.net> >> Subject: [Repeater-Builder] Re: MSF5000 Squelch >> To: Repeater-Builder@yahoogroups.com >> Date: Thursday, March 19, 2009, 4:59 PM >> --- In Repeater-Builder@yahoogroups.com, >> "Bob M." <msf5kg...@...> wrote: >> >> "... The MSF5000 squelch is a single-level noise-based >> squelch system, much like the MaxTrac and most mobile >> radios. The squelch-tail duration is fixed. ..." >> >> ............................................................. >> >> Incorrect. >> >> Since the original post referred to a CXB station, the >> operation of the squelch circuitry in the SSCB is as >> follows: >> >> The receiver squelch switching circuit operates in two >> modes. With a weak signal just above the opening >> sensitivity, squelch closing is slow (approximately 150 ms.) >> which results in the long squelch tail heard at the end of a >> received message. The long squelch tail is present to >> prevent the received message from being chopped during a >> weak fluttering signal. >> >> With a strong signal (approximately 10 dB above opening >> sensitivity), a squelch closing occurs immediately after the >> end of a received signal. This prevents the squelch >> tail from being heard. >> ... >> The repeater squelch detector circuit is very similar to >> the receiver squelch detector. (repeater slow squelch >> closing time is approximately 200 ms.) >> > > > > > > ------------------------------------ > > > > Yahoo! Groups Links > > > > > >
