[Elecraft] What gain stage does the RF Gain pot control?
Wayne Burdick
n6kr at elecraft.com
Thu Dec 16 22:48:42 EST 2010
Fred wrote:
> Can somebody tell me what amplifier stage the RF gain pot controls? Is
> it the IF Amp via signal VIFGAIN1?
Yes. Nearly all radios that have an RF GAIN control actually use this
control to set the gain of an I.F. stage, or set the threshold of AGC
upward, or both. True "RF" gain control is usually in the form of
switchable RF amplifiers or attenuators in the front end.
73,
Wayne
N6KR
> Thanks,
> Fred
> KE7X
>
> Fred Cady
> fcady at ieee dot org
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