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Old April 4th 17, 06:13 PM posted to rec.radio.amateur.moderated,rec.radio.amateur.homebrew
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Default QRZ Forums - Homebrew and Kit Projects for Tuesday 4 April 2017

Homebrew and Kit Projects

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First 2 tube transceiver ideas?

Posted: 04 Apr 2017 09:51 AM PDT
http://forums.qrz.com/index.php?thre...-ideas.557703/

I just acquired a box of JG-6072 (12AY7 / 12AX7) tubes and sockets. These
seem perfect for a first 12V radio project.



Ideally Id like to build a very simple 2 tube CW transceiver for 40M,
something like this one:



http://hanssummers.com/gallery9.html



Unfortunately I dont know how to read Portugese.



Could someone point me to something similar?



Thanks!

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Painting and Cleaning...

Posted: 03 Apr 2017 06:15 PM PDT
http://forums.qrz.com/index.php?thre...eaning.556520/

Picked up a scratched up Kenwood Ts-690S and a ASTRON RS-35A. Would like to
open up the cases, blow the dust out and repaint. Any issues?



Like my gear to look mint.

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Sqquare Wave generator

Posted: 03 Apr 2017 06:06 PM PDT
http://forums.qrz.com/index.php?thre...erator.558905/

OK, Ive checked my archives, and Googled a Googleplex of times with no
results that seem to fit.



Many years ago, I built a simple square wave generator, using a MC-799P
Dual Buffer (anybody still remember RTL Logic???) One IC, two
resistors, and two capacitors were all that was needed to run off two AA
batteries for over a decade.. [Probably over four decades by now, but with
occasional battery replacement every 20 years.] Harmonics of the ≈1 kHz
osc. would go well into...



Sqquare Wave generator

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