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LF: Why 34nb20 blocking cap?

To: "LF \(RSGB\)" <rsgb_lf_group@blacksheep.org>
Subject: LF: Why 34nb20 blocking cap?
From: "J. Allen" <vy1ja@northwestel.net>
Date: Thu, 29 Mar 2007 03:15:01 -0000
Delivered-to: daveyxm@gmail.com
Reply-to: rsgb_lf_group@blacksheep.org
Sender: owner-rsgb_lf_group@blacksheep.org
Hello Tech types.

While I am working on the amp, I noticed that some of the FET drive circuits are fed directly from a driver device (G3YXM circuit p66 LF Today) and some use a blocking capacitor followed by a diode (G0MRF circuit, p72).
Why are the capacitors and diodes required in one FET circuit and not in the 
other?
Thanks,

J.

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