Hello Joe:
I'm interested in your keying idea and would like the details.
Thanks for your time.
Ralph Howes
W8BVH
----- Original Message -----
From: "N4YG" <n4yg@comcast.net>
To: "TenTec Discussion" <tentec@contesting.com>
Sent: Monday, October 29, 2007 11:06 PM
Subject: [TenTec] SB-220 Tubes and QSK
I just want to thank everyone who advised me to buy the RF Parts 3-500ZG
tubes for my SB-220. I am very pleased with the tubes. I have about 20%
more output power and it is almost unbelievable how much cooler the amp
runs.
I also completed the QSK mod for the radio, based in large part on the
info on Rich Measures' web site. I am also very please with that and all
works well with the OMNI VI +.
I would like to mention one thing. I believe that many of you have
installed the Soft Key mod in the SB-220. I have studied the schematic for
Soft Key extensively. I have a much simpler circuit which you can build in
a short time for an expenditure of only a couple of bucks. It works great.
I do not know if the name "Soft Key" is intended to be descriptive of the
mod or not, but its keying is certainly not soft, in fact, why would one
want to key the amplifier T-R relay softly. Anyone who wishes to know how
to build and install my circuit can obtain details by sending me an email.
Joe
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