High stop-band inhibiting multi-zero 2.4 GHz mini filter
A band suppression, gigahertz technology, applied in impedance networks, multi-terminal pair networks, electrical components, etc., can solve the problems of electrical performance such as temperature drift, large insertion loss, small module size, etc., to achieve low passband insertion loss, reflection Low loss and simple structure
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[0013] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0014] to combine figure 1 , figure 2 , image 3 , Figure 4 , the multi-zero 2.4 gigahertz microfilter with high stop band suppression of the present invention comprises a surface-mounted 50 ohm impedance input port Port1, a first-level zero-point setting circuit L3, C3, and a second-level first zero-point setting circuit L4, C4, first stage parallel resonance unit L1, C1, first stage second zero point setting circuit L5, C5, second stage second zero point setting circuit L6, C6, first interstage coupling capacitor C12-1 , the first inter-stage coupling inductor L12, the second inter-stage coupling capacitor C12-2, the second-stage parallel resonant unit L2, C2, the surface-mounted 50-ohm impedance output port Port2 and the ground terminal; the input port Port1 and the first-stage A zero point setting circuit L3, C3 is connected, the output port Port2 i...
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