目前市场上出现了一种由联邦德国设计的10波段收音机,这种收音机体积小,调谐容易,接收范围宽,因而受到消费者的欢迎。该收音机的核心是一块单片收音机集成电路 CXA1019P,现对该集成电路作一介绍。 CXA1019P是日本索尼公司为调频/调幅收音机设计的单片专用集成电路,常用于收音机、收录机、耳机录放机中。它的内部电路包含了调频、调幅收音机所需的全部电路,具有功能全、外围元件少、免调整的 Currently on the market there is a 10-band radio designed by the Federal Republic of Germany, which is small, tuned easily and has a wide reception range and is therefore well received by consumers. The core of the radio is a monolithic radio integrated circuit CXA1019P, now an introduction to the integrated circuit. CXA1019P is Japan’s Sony Corporation for the FM / AM radio designed monolithic integrated circuits, commonly used in radios, tape recorders, headphones VCR. Its internal circuitry contains all the circuitry required for FM, AM radios, with full features, low external components,