Generaly, the diodes are there to protect the relay contacts from arcing. So without looking at them , i'd suggest to leave them be.. klc
----- Original Message ----- From: Barrie Smith <[EMAIL PROTECTED]> Date: Sunday, March 19, 2006 4:20 pm Subject: Re: [AMRadio] Voltage regulator To: Discussion of AM Radio <[email protected]> > Another couple of questions relative to relays this time. > > Some of my antenna relays have protective diodes and some don't. > If a power > supply were to be used only for switching relays, could the > protective diode > be placed at the output of the power supply, rather than at the relay? > > Also, looking at a couple of Amphenol coax relays I have here, > there is not > only a protective diode, but a (very) small disc ceramic capacitor > across > the coil. > > Further protection? > > 73, Barrie, W7ALW > > > ______________________________________________________________ > AMRadio mailing list > Home: http://mailman.qth.net/mailman/listinfo/amradio > Help: http://mailman.qth.net/mmfaq.html > Post: mailto:[email protected] > AMfone Website: http://www.amfone.net > AM List Admin: Brian Sherrod/w5ami, Paul Courson/wa3vjb >
