JFET AC Coupled Integrator

Posted on January 22, 2010 by Adam

This is JFET AC Coupled Integrator circuit. This circuit is used to achieve very high voltage gain. To achieve very high voltage gain this circuit uses “µ-amp” technique. Here is the circuit :

JFET AC Coupled Integrator1 circuit schematic diagram

C1 is used as  a capacitance multiplier or Miller integrator. It will allow the circuit to handle very long time constants. [Source: National Semiconductor Application Note]

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