Spectral analysis transmitter does not have audio frequency alarm device

The utility model provides a spectral analysis transmitter does not have audio frequency alarm device, includes the casing, install audio frequency receiving antenna, LED pilot lamp and buzzer alarm on the casing, casing internally mounted has audio frequency receiving module, main control unit, audio power amplifier module, schmidt trigger, phase inverter, stabiliser and power amplifier drive module, power amplifier drive module is connected to buzzer alarm through the electric conductor, main control unit is connected to external power supply through the electric conductor. Can monitor the audio signal of multiplexed output simultaneously, in case the transmitter breaks down, not have power output, will send acousto -optic warning immediately, very first time suggestion person on duty is that which way transmission passageway has gone out the problem to in time handle the machine trouble, greatly reduced the person on duty and because of the machine problem that the signal of keeping watch on is many, the a