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Re: Topband: Low noise preamp suggestions?

To: Andrew Ikin <andrew.ikin@btopenworld.com>, topband@contesting.com
Subject: Re: Topband: Low noise preamp suggestions?
From: Bill Cromwell <wrcromwell@gmail.com>
Date: Tue, 03 Nov 2015 07:56:03 -0500
List-post: <topband@contesting.com">mailto:topband@contesting.com>
Thank you Andrew,

Your reply was very helpful.

73,

Bill  KU8H



On 11/03/2015 07:31 AM, Andrew Ikin wrote:
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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