Oscillation circuit applied to radar frequency synthesizer system

The utility model relates to the field of radar frequency synthesizer, and discloses an oscillation circuit applied to a radar frequency synthesizer system, which comprises a transistor oscillation circuit and an adjustable voltage circuit, and the transistor oscillation circuit is connected with the adjustable voltage circuit. The transistor oscillation circuit comprises a radio frequency transistor, the adjustable voltage circuit is connected with an inductor L1, the inductor L1 is connected with a capacitor C1 and a variable capacitance diode D1, the capacitor C1 is connected with the input end of the radio frequency transistor, and the anode of the variable capacitance diode D1 is grounded. The problem that the oscillator of the radar frequency synthesizer module adopts a VCO integrated chip and the cost is high is solved. 本实用新型涉及雷达频综领域，公开了应用于雷达频综系统的震荡电路，应用于雷达频综系统的震荡电路，包括晶体管震荡电路、可调电压电路，晶体管震荡电路与可调电压电路连接。晶体管震荡电路包括射频晶体管，可调电压电路连接有电感L1，电感L1连接有电容C1、变容二极管D1，电容C1与射频晶体管的输入端连接，变容二极管D1的阳极接地。解决了雷达频综模块的震荡器采用VCO集成芯片成本高