It is evident from above two expressions when the BTL circuit and the OCL circuit operate under same power supply voltage and same load, the output power of the former is four times of that for the latter.
It is evident from above two expressions when the BTL circuit and the OCL circuit operate under same power supply voltage and same load, the output power of the former is four times of that for the latter.
对比以上二式不难看出：桥式电路和单端电路在电源电压和负载相同条件下，前者的输出功率为后者的四倍。