I played around with using the RB-1 board on my repeater transmitters using motorola and several other receivers in tone squelch. Eventually I found it was better to remove the capacitor which causes the RB-1 to send NO tone for the last 100ms (or what ever the timing is).
--- In [email protected], "skipp025" <[EMAIL PROTECTED]> wrote: SNIP > Any of you actually running the RB-1 board with a true reverse > burst type ctcss decoder (built into your radio)? Is a true > reverse burst decoder in your commercial radio completely "fooled" > by the phase inverted ctcss before carrier drop function. > > Or do you actually still hear some minor difference from the > rb-1 type operation vs an original true Motorhead (Motorola) > encoder - decoder operation? > > Thinking out-loud about having to possibly mute the ctcss at some > time after invert and before the delayed ptt drop as a requirement > to get the full/true reverse burst quiet squelch close. > > Any of you been down that road already?

