Beeper Buzzer Circuits
Added on
Dec 12, 2012
This circuit uses a CA5422 dual BiMOS microprocessor op amp. The bootstrap amplifiers minimize bias currents while maintaining electrostatic discharge protection.
Photodiode-amplifier - schematic

Additionally, the potentiometers and their associated resistors, Rl through R4, permit the user to trim bias currents to zero.

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