Tests of Audio Amplifiers in Accordance with Standard IEC 60268-3

This application note describes how to test audio amplifier audio characteristic using the audio analyzer R&S® UPV in accordance with standard IEC 60268-3. The test items include gain, frequency response, harmonic distortion, modulation distortion, difference-tone intermodulation, dynamic intermodulation distortion, noise and cross-talk. The test items are explained and the test steps are described in detail.