| To: | "Rob & Terri Sherwood" <rob@sherweng.com>,"Amps Amps" <amps@contesting.com> |
|---|---|
| Subject: | Re: [Amps] Pin Diodes |
| From: | "Paul Christensen" <w9ac@arrl.net> |
| Date: | Wed, 8 Mar 2006 06:45:32 -0500 |
| List-post: | <mailto:amps@contesting.com> |
> I don't believe an amp with vacuum relay T/R > switching can be considered a full QSK amp. Yet Alpha advertises the > 99 and the 9500 as full QSK. I run my 99 in semi-breakin only. How > long can a vacuum relay last in full QSK mode? The vacuum relay in my Alpha 70V has lasted 36 years. A vacuum relay with an appropriate accelerator circuit can switch nearly as fast as a PIN diode. Paul, W9AC _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps |
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