介绍一种脉宽调制器的功能和性能，并给出利用它设计的雷达高压开关电源。
This paper introduces the functions and performances of a PWM component and presents a radar transmitter high voltage power supply using this PWM component.
脉宽调制器是一种能够产生周期固定而占空比(脉宽)可调的方波信号的电路。
Pulse width Modulation device is a circuit which can produce square wave signal with fixed period and adjustable pulse duration ratio (pulse width).
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