At 10/21/2009 13:23, you wrote:
>Anybody got any suggestions about fixing the squelch circuit? (Spare me >the get a REAL repeater comments please!) > > > >Is the MICOR squelch still available? Anybody done it to one of these? I added a Micor squelch board from LinkComm to a Kendecom RX once. It worked fairly well, though it was still somewhat susceptible to off-channel signals, making the squelch excessively tight whenever a strong signal was present 15 kHz away, regardless of modulation level on that signal. I suspect this to be due to design flaw in the MR4 design (mid-stage IF amplifier overload). A 10 kHz LPF in front of the Micor squelch board may cure that problem. Bob NO6B
