Design of Frequency Modulation Broadcasting Monitoring Alarm Based on STM32
To improve the monitoring capability of the transmission station, this paper introduces the hardware design scheme of frequency modulation broadcasting monitoring and alarm. This alarm has the advantages of stable performance, realistic sound quality, long-term operation without frequency deviation, intuitive display, and low noise. It can monitor four frequency modulation broadcast signals in real time, and can also choose one monitoring channel. When there is no carrier or audio signal, the buzzer will emit an alarm message.
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