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LF: Why 34nb20 blocking cap?

To: "LF \(RSGB\)" <[email protected]>
Subject: LF: Why 34nb20 blocking cap?
From: "J. Allen" <[email protected]>
Date: Thu, 29 Mar 2007 03:15:01 -0000
Delivered-to: [email protected]
Reply-to: [email protected]
Sender: [email protected]
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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