[TowerTalk] Protection of a preamp

[Patrick Greenlee]

Back diodes across the coils wouldn't hurt.

Patrick NJ5G

-----Original Message----- 
From: Tony Brock-Fisher
Sent: Tuesday, January 21, 2014 11:46 AM
To: towertalk at contesting.com
Subject: Re: [TowerTalk] Protection of a preamp

I think a 12 volt 3 terminal regulator is a better idea, and it would 
protect against coil spikes as well. With one IC and two caps it's still 
fewer parts than 20 diodes.

To protect the preamp, use a 1/16 amp fuse in series. Used this for years; 
blown many fuses but zero front ends...

73,

Tony

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