Miniature T-shaped step resonant impedance capacitor loading triplexer
A resonant impedance and capacitive loading technology, applied in waveguide devices, circuits, electrical components, etc., can solve problems such as low precision, poor electrical performance, and low reliability
Inactive Publication Date: 2018-11-06
深圳市永盛微波技术有限公司
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Problems solved by technology
The main indicators describing the performance of the integrated passive triplexer are: passband operating frequency range, stopband frequency range, passband insertion loss, stopband attenuation, port isolation, passband input / output VSWR, insertion phase shift and delay frequency characteristics, temperature stability, volume, weight, reliability, etc., but the existing integrated passive triplexers generally have filter square coefficients that do not meet the requirements, poor electrical performance, low precision, large volume, and reliability. Defects such as low sex
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[0024] The present invention will be described in more detail below in conjunction with the accompanying drawings and embodiments.
[0025] The invention discloses a miniature T-shaped ladder resonance impedance capacitance loading type triplexer, which combines Figure 1 to Figure 8 As shown, it includes a matching circuit M, the first ladder resonant impedance capacitance loading filter F1, the second ladder resonance impedance capacitance loading filter F2 and the third ladder resonance impedance capacitance loading filter F3, the first ladder resonance impedance capacitance loading filter The filter F1 is arranged on the left side of the matching circuit M, the second ladder resonant impedance capacitance loading filter F2 is arranged on the right side of the matching circuit M, and the third ladder resonance impedance capacitance loading filter F3 is arranged behind the matching circuit M;
[0026] The matching circuit M includes an input port P1, an input matching induct...
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Abstract
The invention discloses a miniature T-shaped step resonant impedance capacitor loading triplexer, including a matching circuit M, a first step resonant impedance capacitor loading filter F1, a secondstep resonant impedance capacitor loading filter F2 and a third step resonant impedance capacitor loading filter F3, the three filters are connected in parallel. In the triplexer working time, the signal enters the triplexer from an input port P1, enters a filter F1 through a match line L1, the signal enters the triplexer from input port P1, enters the filter F2 through a match line L2, the signalenters the triplexer from the input port P1, enters a filter F3 through a match line L3, wherein the filter F1, the filter F2 and the filter F3 are respectively composed of a stepped resonant impedance strip line and the capacitor, and an adjustable transmission zero is generated by a Z-shaped cross-coupling strip line to improve the rectangular coefficient of the filter, thereby improving the electrical performance and the device quality.
Description
technical field [0001] The invention relates to an integrated passive triplexer, in particular to a miniature T-shaped stepped resonant impedance-capacitance loaded triplexer. Background technique [0002] In recent years, electronic systems such as mobile communications, military communications, and satellite communications have increasingly required miniaturization. High performance, low cost, easy mass production, and miniaturization have become the main development direction in the microwave / RF field. Microwave duplexers Higher requirements are put forward for the performance, size, reliability and cost. The main indicators describing the performance of the integrated passive triplexer are: passband operating frequency range, stopband frequency range, passband insertion loss, stopband attenuation, port isolation, passband input / output VSWR, insertion phase shift and delay frequency characteristics, temperature stability, volume, weight, reliability, etc., but the existi...
Claims
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Login to View More IPC IPC(8): H01P1/20H01P1/203
CPCH01P1/20H01P1/203
Inventor 戴永胜孙超杨茂雅陈相治
Owner 深圳市永盛微波技术有限公司