Operational Amplifiers Guide

Operational Amplifiers Guide is your essential tool for designing and analyzing circuits using op-amps and comparators. Whether you're a student, electronics enthusiast, or experienced engineer, this app helps you create, calculate, and understand a wide variety of op-amp–based circuits with ease.

Use it as a practical reference when developing projects, building prototypes, or studying amplifier configurations. The app also includes technical data on popular operational amplifier and comparator series — making it a handy guide for both design and selection.

Available in 14 Languages:

• English, French, German, Indonesian, Italian, Japanese, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish, Ukrainian, and Vietnamese — study in your native language!

Key Features:

• Interactive calculators for common op-amp circuits

• Step-by-step explanations and formulas

• Reference info on op-amps and comparators

• Ideal for learning, prototyping, or quick checks

• Light and dark mode support

The application contains the following guides and calculators:

Amplifiers

• Non-inverting operational amplifier

• Inverting operational amplifier

• Inverting amplifier with T-bridge in OS

• Differential amplifier

• Differential amplifier with T-bridge in OS

• Voltage repeater

• Inverting voltage repeater

• AC voltage amplifier

• High Input Impedance AC Voltage Amplifier

• AC voltage repeater

ActiveFilters

• Non-inverting low-pass filter

• Inverting low-pass filter

• Non-inverting high-pass filter

• Inverting high pass filter

• Bandpass filter

• Gyrator

Integrators and differentiators

• Voltage integrator

• Sum integrator

• Integrator with signal amplification

• Difference integrator

• Double integrator

• Voltage differentiator

• Sum Differentiator

• Differentiator with T-bridge

• Differentiator with T-bridge made of capacitors

• Difference differentiator

Comparators

• Comparator

• Limiter

• Limiter with zener diode at the input

• RS trigger

Attenuators

• Non-inverting attenuator

• Inverting attenuator

Converters

• Voltage-to-current converter with non-inverting input

• Voltage to current converter with inverting input

• Voltage to current converter with differential input

Adders and substactors

• Inverting adder

• Addition-subtraction circuit

• Non-inverting adder

Logarithmic and exponential amplifiers

• Diode-based logarithmic amplifier

• Transistor-based logarithmic amplifier

• Diode exponential amplifier

• Exponential transistor amplifier

Sine Wave generators:

• Op-Amp Oscillators

• Oscillator with Diode in the Feedback Path

• Twin-T Network Signal Generator

Square-wave pulse generators

• Op-Amp Square-Wave Generator

• Adjustable Square-Wave Generator

• Enhanced Square-Wave Generator

• Duty-Cycle Adjustment

Triangle-wave signal generators

• Nonlinear Triangle-Wave Generator

• Variable-Symmetry Sawtooth Generator

• Linear Triangle-Wave Generator

• Adjustable Linear Triangle-Wave Generator

• Variable-Symmetry Ramp Generator

Popular operational amplifiers: description and pinout

Popular comparators: description and pinout

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