【摘 要】
：
ＣＸＡ16 19ＢＭ是日本Ｓｏｎｙ公司专为调频 /调幅一体化收音机而设计的贴片接收芯片 ,内部功能图如图 1所示 ,它集成了ＡＭ /ＦＭ高放、本振、混频、中放、ＡＧＣ和ＡＦＣ电路、ＡＭ检波、ＦＭ鉴频以及音频功放、音量调节
【机 构】
：
浙江嘉兴长江电子有限公司技术开发部!浙江314001
论文部分内容阅读
ＣＸＡ16 19ＢＭ是日本Ｓｏｎｙ公司专为调频 /调幅一体化收音机而设计的贴片接收芯片 ,内部功能图如图 1所示 ,它集成了ＡＭ /ＦＭ高放、本振、混频、中放、ＡＧＣ和ＡＦＣ电路、ＡＭ检波、ＦＭ鉴频以及音频功放、音量调节和调谐指示电路。由于其工作电压范围宽 (2～ 7.5Ｖ)、
CXA16 19BM is a chip receiver chip specially designed for FM / AM integrated radios by Sony Corporation of Japan. The internal functional diagram is shown in Figure 1. The CXA16 19BM integrates AM / FM high-frequency, local oscillator, mixer, medium amplifier, AGC And AFC circuit, AM detector, FM frequency identification and audio amplifier, volume adjustment and tuning instructions circuit. Due to its wide operating voltage range (2 ~ 7.5V)
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