D7641 single-chip AM radio circuit, from frequency conversion to power amplifier are integrated inside the circuit, using fewer external components, improving the economics and reliability of the whole machine, the circuit is high efficiency, power consumption is higher than the general discrete components radio, battery life Approx. 30% extended power supply voltage range, stable receiving sensitivity in 2~5V. Therefore, it is suitable for small-amplitude AM radios that operate at low voltage and consume power.
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D7641 can be directly used interchangeably with TA7641BP produced by Shibaura Electric Co., Ltd., Japan. The domestic similar products have the appearance of XG7641, FY7641, D7641.
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