Does anyone have or no of where I can find a circuit to connect my Heil Microphone to the IC761...
Something simple using LM741 or equivalent....
If so please email info to r-watt@sbcglobal.net
Thanks Dick K6DW
Dick -
Heil Sound (Bob Heil) has much of this information, right on his web site. I will let you do the reading.
De-coupling Icom DC Input (Phantom power)
http://www.heilsound.com/amateur/harmonics.htm#DC
Low gain Icom inputs
http://www.heilsound.com/amateur/icom_fix.htm
Adam Farson, AB4OJ -- Icom web page
http://www.ab4oj.com/icom/main.html
Microphone pre-maps for older Icom transceivers.
http://www.ifwtech.co.uk/g3sek/in-prac/best-of.htm#icom
Heil Element - retrofits into older microphones
http://www.heilsound.com/amateur/radioconnections.htm
N0MF pre-amp
http://www.elecraft.com/Apps/microphone_pre.htm
w9gb