Multi-channel synthesizer with unit switching function and wireless transmitting system

The utility model discloses a multi-channel synthesizer with a unit switching function. The multi-channel synthesizer is formed by cascading a plurality of synthesizer units provided with switching units, the utility model also discloses a wireless transmitting system, which comprises a transmitter power detection unit, a control unit, a multi-channel synthesizer with a unit switching function and a plurality of transmitters, the transmitter power detection unit is used for detecting that the power signal of the frequency is abnormal when a certain transmitter or a certain synthesizer unit in the system breaks down; and the control unit is used for switching the synthesizer unit corresponding to the fault frequency through the switching unit according to the power signal abnormity of the frequency detected by the transmitter power detection unit, and disconnecting the faulted transmitter or synthesizer unit from the whole system. 本实用新型公开了一种带单元切换功能的多频道合成器，由多个配有切换单元的合成器单元级联构成；本实用新型还公开了一种无线发射系统，包括发射机功率检测单元、控制单元、