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SIGNAL PROCESS METHOD, SIGNAL PROCESS CIRCUIT AND LED DIMMING CIRCUIT THEREOF
SIGNAL PROCESS METHOD, SIGNAL PROCESS CIRCUIT AND LED DIMMING CIRCUIT THEREOF
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机译:信号处理方法,信号处理电路及其LED调光电路
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摘要
In one embodiment, method of signal processing can include: (i) determining a high level sampling pulse amount by counting a number of pulses of a first clock signal during a high level portion of a period of a first PWM; (ii) generating a first pulse signal based on a second clock signal and the high level sampling pulse amount; (iii) determining a low level sampling pulse amount by counting a number of pulses of the first clock signal during a low level portion of the period of the first PWM signal; (iv) generating a second pulse signal based on the second clock signal and the low level sampling pulse amount; and (v) generating a second PWM signal based on the first and second pulse signals.
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