Operational Amplifiers Guide

This is an application for the design and calculation of electronic circuits using operational amplifiers.

The application content is available in eight languages: English, French, German, Italian, Portuguese, Russian, Spanish, Ukrainian.

This application contains the following guides and calculators:

Amplifiers

- Non-inverting operational amplifier

- Inverting operational amplifier

- Inverting amplifier with T-bridge in OS

- Differential amplifier (info)

- Differential amplifier with T-bridge in OS (pro)

- Voltage repeater (info)

- Inverting voltage repeater (info) (pro)

- AC voltage amplifier (pro)

- High Input Impedance AC Voltage Amplifier (pro)

- AC voltage repeater (info) (pro) (draft)

ActiveFilters

- Non-inverting low-pass filter

- Inverting low-pass filter

- Non-inverting high-pass filter

- Inverting high pass filter

- Bandpass filter (pro)

- Gyrator

Integrators and differentiators

- Voltage integrator (info)

- Sum integrator (info)

- Integrator with signal amplification (info) (pro) (draft)

- Difference integrator (info)

- Double integrator (info)

- Voltage differentiator (info)

- Sum Differentiator (info) (pro)

- Differentiator with T-bridge (info) (pro)

- Differentiator with T-bridge made of capacitors (info) (pro)

- Difference differentiator (info) (pro)

Comparators

- Comparator

- Limiter (info)

- Limiter with zener diode at the input (info)

- Voltage reference (pro) (draft)

- RS trigger (pro)

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

- Popular operational amplifiers description and pinout

Also, the app can switch between a light and dark theme, depending on the user's preferences.

The content of the application is updated and supplemented with the release of each new version.