[电子] narrow-band amplifier

... narrow-angle picture tube 小偏转角显像管 narrow-band amplifier 窄带放大器 narrow-band audio encryption unit 窄带音频加密机 ...

 amplifier, narrowband

... amplifier, multiple-channel 多通道放大器 amplifier, narrowband 窄带放大器 amplifier, operational (OpAmp) 运算放大器 ...