Well I played around a little this afternoon and placed a couple of back to back diodes between the discriminator and the tx deviation pot on the phoenixs. There is slight overshoot now on the waveform, but it seems to work just fine on voice. The ID Text must be on the front end of each transmission, and it is pretty much lost in transmitter keyup delay on the TX Phoenix radio. If I leave the Phoenix keyed with a clip lead the Unit ID passes AOK.
Next will be a better signal processing mechanism, and maybe audio delay - and see if this stuff catches on. Temple, Texas has a pop of about 50,000 and maybe 50 active hams, and far fewer that frequent repeaters, so there is not a whole bunch of activity to begin with in general. Regardless, it has been fun tinkering and a learning experience - been years since I did a 4 resistor bias on a common emitter stage....73, Steve Far as legalities go - ask a convict - he would know with some degree of expertise what is illegal (or an attorney???)....steve -- Ham Radio Spoken Here.....NU5D Nickel Under Five Dollars
