A multichannel gating public address set circuit for handling input of many radio station signal

The utility model discloses a multichannel gating public address set circuit for handling input of many radio station signal, including signal repeater circuit, demonstration switching circuit and speech amplifier circuit, signal repeater circuit (1) is arranged in from a plurality of radio station signal gating radio station signal, show that switching circuit (2) are used for showing the signalthat has an input of current gating, in this way, the utility model discloses a multichannel gate through the concrete circuit structure of the demonstration switching circuit that wherein sets up, utilizes and wherein optimizes and improve circuit layout to the matching is with corresponding harmonious suitable control, and with signal repeater circuit's linkage convention, communication operation between the fine management multi -section radio station of so as to. 本实用新型公开了种用于处理多电台信号输入的多通道选通扩音装置电路，包括信号转接电路、显示切换电路和话音放大电路，所述信号转接电路(1)用于从多个电台信号中选通电台信号，所述显示切换电路(2)用于显示当前选通的有输入的信号，所述扩音电路(3)用于对选通的电台信号进行音量扩大以输出。本实用新型的多通道选通电路