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电台广播,出现以来,广受大众的喜爱。随着听众数量的不断增加,广播覆盖面的不断扩大,广播的质量和方式也逐渐繁多起来。调频发射机及其技术在电台广播中被广泛应用,本文通过调频发射机的技术特点入手,探讨其主要技术指标谐波失真、信噪比、频率响应等主要技术指标的测试方法,以期在电台广播质量提升方面给予有益的参考。
Radio broadcasting, since its inception, widely loved by the public. As the number of listeners continues to increase, the coverage of radio continues to grow, and the quality and methods of broadcasting have also increased. FM transmitter and its technology are widely used in radio broadcasting. This paper starts with the technical features of FM transmitter, and discusses the testing methods of its main technical indicators such as harmonic distortion, signal-to-noise ratio and frequency response, Broadcast quality improvement to give a useful reference.