The symetrix is a pro audio processor. 200 ohms source impedance and is easily capable of over driving any transceiver.
Sent from my iPad > On Feb 2, 2019, at 2:26 PM, Don Wilhelm <[email protected]> wrote: > > Mike, > > Notice that U2 also has an output that is involved in PTT and VOX detection > via U4 and the COMP OUT signal. > The signal at the output side of C31 is driving an impedance of about 8k > ohms. I don't know what your Symetrix mic amplifier is capable of driving. > > 73, > Don W3FPR > >> On 2/2/2019 1:55 PM, mustang65 wrote: >> Don, >> Thanks for the suggestions. >> I am thinking of putting the outputsignal from the symetrix 528e microphone >> amplifier >> to c20 on the ksb2 board so I will bypass U3 and let the signal go direct >> to u5 NE602 >> and that way found out if u2 is bad. >> I will come back with the result. >> 73 Mike sm3xgm >> -- >> Sent from: http://elecraft.365791.n2.nabble.com/ >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to [email protected] > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

