There's no reason why not!
Especially when considering that you are NOT going to hot switch a kW level
amplifier in any case! Remember when we were using Potter & Broomfield open
frame relays for it?
Just go ahead and use them!
Alex 4Z5KS
-----Original Message-----
From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
Behalf Of Roger Parsons
Sent: Wednesday, February 18, 2009 2:37 AM
To: Amps
Subject: [Amps] Kilovac HC-4 Relays
I have a number of Kilovac HC-4 vacuum relays which have very nice specs,
but are not rated for RF use. I understand that they use a different contact
material from, for example the HC-1, and can be hot-switched. I wonder if
there is any fundamental reason why they should not be used at RF? Obviously
I would try not to hot-switch them! The contact resistance is a fraction of
an Ohm measured with a VOM. Looking at the Kilovac catalogue the contacts do
appear to the the only difference from others in the range.
Any thoughts?
73 Roger
VE3ZI
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