Voltage controlled variable gain amplifier

Voltage controlled variable gain amplifier 300x186 Voltage controlled variable gain amplifier

Voltage controlled variable gain amplifier schematic diagram. The Voltage controlled variable gain amplifier circuit is built with ic op amp type LM101. The 2N5457 works as a voltage variable resistor having an Rds(on) max of 800 ohms.

pinit fg en rect gray 20 Voltage controlled variable gain amplifier

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