Comparison test of mono 120W high power class D power amplifier chip cs8683-tpa3116

1. Output power test ：CS8683 Output power vs TPA3116 Almost unanimously . Output power test ： Testing conditions ：RL=4Ω 2. Harmonic distortion THD test ：    Testing conditions ：RL=4Ω,Po=50W, PVCC=24V    CS8683 In the middle and low frequency band THD Than TPA3116 Small .    CS8683 At high frequencies THD Than TPA3116 Big . 3. Intermodulation distortion IMD test ( Test frequency point 100Hz contrast 8kHz,4：1 Amplitude ratio of )：    Testing conditions ：RL=4Ω,PVCC=24V    Before topping distortion ,CS8683 Intermodulation distortion IMD Than TPA3116 Small obvious .