UHF frequency converter, local oscillator，wide band am plifier.
用于超高频频率转换,负载振荡器,宽频放大。
Frequency converters
英语例句库
英语百科
Frequency changer
（重定向自Frequency converters）
A frequency changer or frequency converter is an electronic or electromechanical device that converts alternating current (AC) of one frequency to alternating current of another frequency. The device may also change the voltage, but if it does, that is incidental to its principal purpose.
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