Operational amplifier

Handbook of operational amplifier applications

Comparator	Basic Increase in DC Voltage
Constant-Current Source	Integrating Circuit
Schmitt Trigger Circuit	Noninverting Two-Power Supply Amplifier
Inverting Two-Power Supply Amplifier	Noninverting Single-Power Supply Amplifier
Two-Power Supply Differential Amplifier	Tone Mixing Amplifier
Power Amplifier Using Operational Amplifier	Voltage Controlled Oscillator Circuit
Operational Amplifier Buzzer	Burglar Alarm
Hand-Operated Sweep Oscillator	Falling Bomb Sound
Emergency Siren	First Aid Siren
Musical Tempo Generator	Operational Amplifier Winking LED
LED Flashing Light	Two-LED Winker
One Shot Light	LED Initials
Wake Up Siren	Voice-Activated LED
Logic Tester	Alternating Current Sound
Light Control Sound Circuit	Sound Alarm Circuit
Study Timer	Kitchen Timer
Three-Input AND Gate Using Operational Amplifier	Voice Level Meter
Power-On Reset Circuit	Delayed Timer
Pulse Frequency Doubler	White Noise Generator
DC-DC Convertor with Operational Amplifier	Dark Sensor LM358
Operational Amplifier Radio
LM324 / BA10324
Electronic candle	Voice level meter
Silicon diode solar cell	Integrating circuit
Astable multivibrator using op amplifier	Pulse generator
Comparator	Experiment of comparator
Comparator with hysteresis	Constant current source by op amplifier
Non-inverting adder	Schmitt trigger circuit
Delayed timer	Pulse frequency doubler
Pitch doubling circuit	Pitch doubling circuit II
Touch switch using op amplifier	Early bird
Inverting amplifier	Non-inverting amplifier
Differential amplifier	Differential output amplifier
Power amplifier using op amplifier	Balanced transformerless amplifier
Three-stage differential amplifier	Vco using op amplifier
LED Voltmeter	Power on reset circuit
A rectifier circuit by diode bridge	Agc circuit using a single transistor
Upper/lower limiter circuit using op amplifier	Absolute value amplifier
Window comparator	Window comparator II
Two-IC electric organ	Sound machine IV
High-power switch	Voltage controlled amplifier
Simple mobile detector circuit	V-F converter
Vumètre 02 02	F-V converter	F-V converter II
Car battery voltmeter 01	Car battery voltmeter 02
White noise generator	Sweep generator
Multiple-function IC project	Sound alarm
A sound of ripples	Photo organ
Salinity tester	Automatic Door Bell With Object Detection
Sawtooth wave oscillator	Three phase oscillator
Wien-bridge oscillator

Électronique / Electronic AOP / OP AMP