C-band low-loss and high-inhibition micro band-pass filter
A high suppression and low loss technology, applied in the field of filters, can solve the problems of large size and insertion loss, limitations, etc., and achieve the effects of low loss in the passband, low cost, and high out-of-band suppression
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[0010] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0011] to combine figure 1 , figure 2 , image 3 , a C-band low-loss high-rejection miniature bandpass filter of the present invention, the C-band low-loss high-rejection miniature bandpass filter includes a surface-mounted 50-ohm impedance input port P1, an input inductance L6, and a first-stage parallel resonant unit L1, C1, first zero-point setting circuit L12, C12, second-level parallel resonance unit L2, C2, second zero-point setting circuit L23, C23, third-level parallel resonance unit L3, C3, third zero-point setting circuit L34, C34, fourth-level parallel resonant unit L3, C3, fourth zero point setting circuit L45, C45, fifth-level parallel resonant unit L5, C5, output inductor L7, surface-mounted 50-ohm impedance output port P2 and ground terminal , the input port P1 is connected to the input inductance L6, the output port P2 is connected to the ...
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