X-band cut-off frequency reconfigurable low-pass filter circuit and electronic equipment

The invention discloses an X-band cut-off frequency reconfigurable low-pass filter circuit and electronic equipment. The circuit comprises a radio frequency input circuit, a main control circuit, a first control circuit, a second control circuit, a third control circuit, a fourth control circuit, a fifth control circuit, a first series resonator, a second series resonator, a third series resonator and a radio frequency output circuit. Reconfigurability of the cut-off frequency is achieved, and the device has the flexible and adjustable cut-off frequency, the wide tuning range, the small size and the excellent overall performance. 本发明公开了一种X波段截止频率可重构低通滤波电路及电子设备，电路包括：射频输入电路、主控电路、第一控制电路、第二控制电路、第三控制电路、第四控制电路、第五控制电路、第一串联谐振器、第二串联谐振器、第三串联谐振器和射频输出电路，所述X波段截止频率可重构低通滤波电路，实现了截止频率的可重构，具备灵活可调的截止频率、宽调谐范围、小尺寸和优异的整体性能。