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A compact four-way power distribution and synthesis structure

A compact, high-power technology, used in circuits, waveguide devices, electrical components, etc., to achieve the effect of small size, wide bandwidth, and low loss

Inactive Publication Date: 2011-12-21
INST OF ELECTRONICS ENG CHINA ACAD OF ENG PHYSICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is still rare to see a four-way power distribution / combination structure that has small size, compact structure, low loss and high isolation, and can complete the transition from waveguide to microstrip.

Method used

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  • A compact four-way power distribution and synthesis structure
  • A compact four-way power distribution and synthesis structure

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Embodiment Construction

[0014] The present invention will be described in further detail below in conjunction with accompanying drawing and specific embodiment:

[0015] Such as figure 1 As shown, a compact four-way power distribution synthesis structure, including straight waveguide 1, microstrip probe 2, impedance matching section 3, Wilkinson bridge 4, isolation resistor 5, straight waveguide 1 is the input port of the power splitter and the output port of the synthesizer, two symmetrical substrates are arranged opposite to the short-circuit surface of the straight waveguide 1, and the relative microstrip probes 2 for signal coupling are fixedly installed on the substrates, and each microstrip probe 2 are matched and connected to the microstrip line at the input end of the Wilkinson bridge 4 through the corresponding impedance matching section 3; the microstrip probe 2, impedance matching section 3, and Wilkinson bridge 4 are integrated on the same substrate. design.

[0016] The isolation resis...

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Abstract

In the field of power synthesis, the present invention proposes a compact four-way power distribution and synthesis structure, including a straight waveguide, a microstrip probe, an impedance matching section, a Wilkinson bridge, and an isolation resistor, and the straight waveguide is the input port of the power divider and the output port of the synthesizer, two symmetrical substrates are arranged at a quarter wavelength away from the short-circuit surface of the straight waveguide, and opposite microstrip probes for signal coupling are fixedly installed on the substrates, and each microstrip probe The strip probes are matched and connected to the microstrip line through the corresponding impedance matching section, and the microstrip line corresponds to the cascaded Wilkinson bridge; the impedance matching section, microstrip line, and Wilkinson bridge are all installed on the substrate The present invention has the characteristics of small size, compact structure, low loss, high port isolation, wide bandwidth, etc., and also has the function of four-way power distribution / combination from waveguide to microstrip transition; it can be applied to radar, electronic countermeasures, Electronic communication and other fields, suitable for microwave and millimeter wave frequency bands.

Description

technical field [0001] The invention relates to a microwave and millimeter wave power distribution and synthesis structure in the field of electronic communication. It is a compact four-dimensional structure that also completes the transition from waveguide to microstrip while solving the problem of small size structure, high isolation, low loss, and high synthesis efficiency. Road power distribution and synthesis structure. Background technique [0002] In microwave and millimeter wave passive and active circuits, power dividers and combiners are widely used in various system components. In recent years, various systems including space-borne missiles have put forward higher and higher requirements for small-size components; in microwave and millimeter-wave active circuits, integrated circuits have the advantages of small size and high integration; in high-power In the application, the waveguide has more advantages in terms of high power capacity and low loss; in the field ...

Claims

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Application Information

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IPC IPC(8): H01P5/16
Inventor 沈川郑贵强蔡钟斌康小克王永帅刘玥玲
Owner INST OF ELECTRONICS ENG CHINA ACAD OF ENG PHYSICS
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