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Telephone circuit

An interactive Op-Amp, resistor, capacitor and transformer circuit built in the DCACLab online simulator by Collins Ahize.

What's inside

1× Power Source
5× Resistor (20.1 MΩ, 9.08 kΩ, 20 MΩ, 20.2 MΩ)
2× Capacitor
1× Switch
1× Transformer
1× Op-Amp
Measured with Oscilloscope

Tags

Resistor Switch Capacitor Power Source Transformer Oscilloscope Op-Amp

About

By Collins Ahize
Saved February 02, 2017 · updated January 15, 2026
2,846 views

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Tags: Resistor Switch Capacitor Power Source Transformer Oscilloscope Op-Amp