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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

Download now and power up your electronics work!

Operational Amplifiers Guide App Comments & Reviews