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Norton Amplifier with DC Gain Control

2015-01-03 09:33  
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This is a Norton amplifier circuit with dc gain control. This circuit is formed by one section of an LM3900. This circuit has dc gain-control input ranges from 10 V for maximum gain down to 0 V for minimum gain. Here is the schematic diagram of the circuit:

Norton amplifier with dc gain control circuit schematic

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