[Amps] bypassing control leads

[Dave]

I've always just used feed-thru capacitors for a permanent link and an amphenol-type multiconnector for removable panels and to a separate power supply.  If i use a multiconnector I use a .01 bypass capacitor as you suggest.  I don't recall any problems as a result of this
Cheers
Dave G0OIL

-----Original Message-----
From: Steve Flood <kk7uv at bresnan.net>
Sent: 03 February 2009 12:43
To: amps at contesting.com; rfamplifiers at yahoogroups.com
Subject: [Amps] bypassing control leads

My homebrew amp has 3 compartments - the RF compartment, an under-chassis compartment for the input and control circuitry, and a front subpanel area for metering and control knobs and switches.

What is the preferred method for routing control leads from the under-chassis compartment out through the subpanel to the various meters/knobs/switches.   A grommetted hole with bypass caps on the inside?  Feed-thru caps?

The Orr handbook (23rd ed. p.12-10) has a comparison diagram of various lead filtering setups.  The most bang-for-buck appearing to be a single .01uF Sprague hi-pass feedthru cap.

Steve KK7UV   
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