[HBR] Re: GB> RSGB Keyer: FINALE!

[Bob Macklin]

How about modifying the design to use TWO pots? One for DOTS and one for
DASHES?

Bob Macklin
K5MYJ
Seattle, Wa,
"Real Radios Glow in the Dark"
----- Original Message ----- 
From: "EP Swynar" <gswynar at durham.net>
To: <hbr at mailman.qth.net>; "Old Tube Radios"
<glowbugs at piobaire.mines.uidaho.edu>
Sent: Wednesday, May 28, 2008 7:30 AM
Subject: GB> RSGB Keyer: FINALE!


> Hi All,
>
> MANY THANKS to the many wonderful words of support, & kind offers of help
> extended my way, in the matter of my "de-bugging" (no pun intended!) the
> RSGB single 12AT7 keyer...
>
> I've decided to SCRAP the project, & will dismantle the flickr.com picture
> site later to-day.
>
> The ratio pot setting on my completed version here makes absolutely no
sense
> to me: I can grasp the theory well enough --- the adjustment of the wiper
> either way generates a dash, or a dot --- but in my keyer, the thing will
> ONLY work whenever the wiper is set at one, or the other, extreme end of
> wiper travel...and even then, the length of the generated characters are
> exactly the same.
>
> Do this while trying to send a dash, and the thing won't "activate" when
> attempting to send a dot --- rotate the wiper of the ratio pot to the
other
> extreme, and now the dash generation ceases, and the dot characters are
the
> same length as the previous "dashes"!
>
> It's hopeless, and hardly worthwhile banging my head against the wall
> over...heck, my 1929-style 12-tube superheterodyne receiver was a snap to
> get going properly, compared to this single-tube little monstrosity...! Hi
> Hi.
>
> Thanks again to all, & my vy
>
> ~73!~ Eddy VE3CUI - VE3XZ
>
>
>
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