A device for test of common mode conducted disturbance noise immunity

The utility model provides a device for test of common mode conducted disturbance noise immunity, a device and an equipment under test electric connection, including FPGA chip, direct digital frequency synthesizer, digital analog conversion chip, band pass filter, audio power amplifier chip, interconnected circuit, isolation sampling circuit and change over switch, direct digital frequency synthesizer, FPGA chip, digital analog conversion chip, band pass filter, audio power amplifier chip and interconnected circuit be electric connection in proper order, change over switch is through keeping apart sampling circuit and FPGA chip electric connection, change over switch and interconnected circuit electric connection. The utility model discloses integrate circuit such as current arbitrary waveform generator, power amplification, coupling together, succeed in developing being exclusively used in 0Hz through the establishment special -purpose software the circuit of 150kHz common mode conducted disturbance noise im