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Re: Topband: Low noise preamp suggestions?

To: "Bill Cromwell" <wrcromwell@gmail.com>, <topband@contesting.com>
Subject: Re: Topband: Low noise preamp suggestions?
From: "Andrew Ikin" <andrew.ikin@btopenworld.com>
Date: Tue, 3 Nov 2015 12:31:12 -0000
List-post: <topband@contesting.com">mailto:topband@contesting.com>
Bill wrote on Nov. 3.

<Let me relieve my ignorance here. What is the difference between a
signal limiter and AGC? Or what is the difference between a signal
limiter and a diode clamp?>


AGC is an automatic variable gain function of a receiver to compensate for fluctuations in signal strength, a signal limiter, limits or clamps excess signal that could overload the receiver input circuits. The signal limiter could be a diode clamp or a saturated transformer.

73

Andrew




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