Conventional home theater digital power amplifiers need to use dedicated integrated circuits, and such integrated circuit manufacturers have fewer manufacturers and higher prices. The circuit can be made by ordinary components, the power is 50W, almost no power consumption when no load, and the efficiency at full load is about 85%, which has certain practical value. However, because the final stage power supply uses "floating", the electromagnetic compatibility of the circuit is poor. Since the 200 kHz carrier is not filtered out, its signal-to-noise ratio and distortion are still to be improved.
ZGAR Accessories
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