[SOC] Regenerating Detectors

[Radio K0HB]

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From: "D.J.J. Ring, Jr." <n1ea at arrl.net>
Sent: Tuesday, September 21, 2010 5:27 PM
To: "Second Class Operators' Club" <soc at mailman.qth.net>
Subject: [SOC] Regenerating Detectors

> Even better than spark gap, how about a discussion about regenerating
> detectors?  They are insanely sensitive and they regurgitate signals to
> produce a feedback which makes them whistle - so they give sound to
> continuous wave signals.
>
> Anyone use one - like a regenerative receiver in the old days?  I remember
> one that Layfayette Radio had - it had a R.F. stage in front of the 
> detector
> so it wouldn't radiate the regenerative oscillations and it was insanely 
> hot
> receiver.
>


In my early radio days the Navy still had a few RAK and RAL TRF (Tuned R F) 
regenerative receivers.

Great sensitivity, but were replaced with RBA, RBB, RBC series to eliminate 
the regenerative-autodyne detector in an effort to keep the leakage 
radiation on the antenna to a very low level that prevented enemy direction 
finding equipment from determining the location of the receiver.

73, de Hans, K0HB
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