目前,市面畅销的普通调频收音机,多采用型号为CXAllglP集成电路因其耗电少.体积小、价格便宜(20元左右)等优点,已受到到大学生们的青睐,但此类普通收音机的调频范围为88一108 MHz,无法接收校园广播,如很多院校的广播电台采用74.4 MHz的频率来发射电磁波。为此笔者对普通 At present, the market-selling ordinary FM radio, the use of more models CXAllglP IC due to its low power consumption. Small size, low price (20 yuan) and other advantages, has been favored by college students, but the frequency of such ordinary radios In the range of 88 to 108 MHz, campus radio can not be received. For example, radio stations in many colleges transmit electromagnetic waves at a frequency of 74.4 MHz. For this reason I am ordinary