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单晶体管FM接收机（英文）,One Transistor FM Receiver by MPF102 关键字：单晶体管FM接收机 One Transistor FM Receiver by MPF102 This radio is sensitive enough to tune 20 stations across the FM band, some with volume high enough to drive a small PM speaker. The ability to tune 88.9 MHz and 89.1 MHz is testimony of its selectivity. The signal-to noise ratio rivals that of the better walkman type radios.  |
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