Hi, Anyone have a circuit that will give more or less constant output using = a electret mic as input, even if you are 1 metre or 5 metres from mic? = Circuit must be low cost, low current would be good <1ma? and simple if = possible? Thanks Gary -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads