GAIN CONTROLLER FOR VARIABLE GAIN AMPLIFIER AND GAIN CONTROL METHOD FOR VARIABLE GAIN AMPLIFIER

摘要

PROBLEM TO BE SOLVED: To provide a gain controller for a variable gain amplifier and a gain control method for the variable gain amplifier which can obtain a desired gain without being affected by gain variations among products.;SOLUTION: A gain controller for a variable gain amplifier in one embodiment includes noise detection means for detecting the noise level of the variable gain amplifier and gain control means for controlling the gain of the variable gain amplifier according to the noise level detected by the noise detection means.;COPYRIGHT: (C)2012,JPO&INPIT