Ah . my first keyer came from Bell Labs! Funny round things in
it. Had 3 leads and a tab on the funny case. Used a mercury wetted relay in
a great big tube like a shot gun shell. Gee, I wish now I had that
schematic! It worked great and was all scavenged from boards at work. I
First keyers... remember the Mon-Key?
A pair of dual triode 12AU7s. One triode
of one tube produced dits while the other
produced dahs using a multivibrator circuit.
The other tube, one triode drove a speaker
while the other drove a keying relay.
Dits and dahs were not self-completing, so
it
Ah . my first keyer came from Bell Labs! Funny round things in
it. Had 3 leads and a tab on the funny case. Used a mercury wetted relay in
a great big tube like a shot gun shell
I built an Accukeyer out of TTL chips around 1974. You guys are making
me feel like a youngster...
.
73, Jamie
WB4YDL
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Mark Bayern
Sent: Monday, September 10, 2007 4:30 PM
To: Joe-aa4nn
Cc: Elecraft List
Subject: Re: [Elecraft] first keyer
Ah . my first keyer came from Bell Labs! Funny round
Was that the one in the ARRL Handbook around 1958 - 1961? I built one and
used it for years. I had to make my own key for it, took two J-38 paddles and
mated them back to back and re configured the contacts etc. A key came on the
market called (get this) an ElKey, and I bought one. Used it
On Mon, 2007-09-10 at 22:22 -0400, [EMAIL PROTECTED] wrote:
Was that the one in the ARRL Handbook around 1958 - 1961?
The keyer described earlier sounded different than the one in the
handbook in that it had a monitor and didn't self complete..
I built the one in the handbook and used if for
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