Intermediate frequency signal filtering processing circuit

The utility model relates to an intermediate frequency signal filtering processing circuit, comprising a first single-ended signal conversion circuit, the first single-ended signal conversion circuit comprises a first transformer, a pin 1 of the first transformer is grounded through a resistor R10, a pin 3 of the first transformer accesses a signal through a resistor R28, a pin 4 of the first transformer is connected with one end of a resistor R26, a resistor R91 and a resistor R34 are connected in series and then are connected between the resistor R28 and the resistor R26, and the resistor R26 is connected in series with a resistor R27 and a capacitor C16 and then are connected with the resistor R27 and the capacitor C16. And the signal processing module is connected with the differential signal amplification module. According to the design, desired signals are reliably improved, signal noise is reduced, and signal distortion is avoided. 本实用新型涉及一种中频信号滤波处理电路，包括第一单端信号转化电路，第一单端信号转化电路包括第一变压器，其1脚通过电阻R10接地，3脚通过电阻R