Distortion meter

A distortion meter is a type of electronic test equipment used to determine specific frequencies that cause distortion in electronic devices. The device is primarily used in audio related equipment.

Features and uses
A typical unit injects a signal in to the input of a circuit and monitors the output of the circuit for distortion.

Types of distortion

 * 1) Amplitude distortion.
 * 2) Frequency distortion.
 * 3) Phase distortion.
 * 4) Intermodulation distortion.
 * 5) Cross over distortion.