Tnx allot Sir... That's what I needed... as always this is the 'right' list hi hi
73 vince ka1iic On Thursday 14 December 2006 01:17, [EMAIL PROTECTED] wrote: > Vince: If your electret contains the FET follower inside, the typical > source impedence of the FET is about 1.5K to 3.0K Ohms. I usually AC > couple the output > (with say a 1 uF cap observe polarity carefully) to a 5 to 10K load. > > Usually anything from a 1.5 V battery to a 6 V battery or well filtered > supply will work (I usually put a few K Ohms in series with the supply. > > If your supply lines are long, it is best to put a 1 uF cap and a .01 uF > cap across the electret supply input and ground. > > They do love to hum so shield well. > > Good Luch, Charlie, K0NG > > ---------------------------------------------------------------- > This message was sent using IMP, the Internet Messaging Program. > > ______________________________________________________________ > AMRadio mailing list > List Home: http://mailman.qth.net/mailman/listinfo/amradio > Partner Website: http://www.amfone.net > Help: http://mailman.qth.net/mmfaq.html > Post: mailto:[email protected] ______________________________________________________________ AMRadio mailing list List Home: http://mailman.qth.net/mailman/listinfo/amradio Partner Website: http://www.amfone.net Help: http://mailman.qth.net/mmfaq.html Post: mailto:[email protected]

