[Boatanchors] Antenna question

Jim Liles james.liles at comcast.net
Sun Mar 1 23:36:41 EST 2009


Hi Bill:
Install a pair of 1N459A diodes, one reversed back to back to ground.  They 
will sync everything and short if hit hard enough.  Kindest regards Jim 
K9AXN

Original message:
Message: 1
Date: Mon, 2 Mar 2009 01:04:56 +0000 (UTC)
From: w0ng at comcast.net
Subject: [Boatanchors] NC-303 RF Amp Grid Resistor Fried ???
To: boatanchors at mailman.qth.net, national at mailman.qth.net
Message-ID:
<789459996.2311971235955896222.JavaMail.root at sz0147a.emeryville.ca.mail.comcast.net>

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In the process of restoring a NC-303 receiver, I noticed that the 33 ohm 
resistor at the control grid of the RF amp tube (6BZ6) ?had fried in half. 
All other resistors in the circuit are OK. It's no problem to replace the 
resistor but I could use some advice as to why it happened in the first 
place and is there more to it than I know. Any help appreciated. 73, Bill, 
w0ng



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