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文章介绍了现在流行的自调谐(self tune radio)收音机的射频电路的任务和原理,并比较了家用收音机和汽车收音机射频电路的异同,最后提出了解决收音机射频电路设计难点的措施。
The article introduces the task and principle of the radio circuit of the popular self-tuning radio and compares the similarities and differences between the radio circuits of the household radio and the car radio. Finally, the measures to solve the design difficulties of the radio circuit of the radio are put forward.