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Waveguide double antipodal fin-line and microstrip line type space power synthesizer

A technology of power combiner and microstrip line, which is applied in the field of radar, can solve the problems of small power capacity and power combination of solid-state amplifiers, and achieve the effects of small insertion loss, easy machining, and large return loss

Active Publication Date: 2015-04-22
CNGC INST NO 206 OF CHINA ARMS IND GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the power combination problem when the solid-state transmitter needs to output high power due to the small power capacity of a single solid-state amplifier

Method used

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  • Waveguide double antipodal fin-line and microstrip line type space power synthesizer
  • Waveguide double antipodal fin-line and microstrip line type space power synthesizer
  • Waveguide double antipodal fin-line and microstrip line type space power synthesizer

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Embodiment Construction

[0019] Now in conjunction with embodiment, accompanying drawing, the present invention will be further described:

[0020] In the radar transmitter, the purpose of the passive power combining network using the waveguide-double dipole fin line-microstrip line transition structure is to realize the power combining in the waveguide, to ensure good power combining efficiency and working bandwidth, and a small radiation loss, and is suitable for mounting solid-state devices in microstrip printed circuits. In the present invention, a regular rectangular standard waveguide is used as the power input and output ports. In terms of physical structure, the broadside of the waveguide can be divided into multiple layers to form the same multi-layer planar structure, and the power amplifier circuit structure can be realized on each layer. At the same time, the standard waveguide facilitates standardized connections with front and rear circuits. Under the working conditions of the main mod...

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Abstract

The invention relates to a waveguide double antipodal fin-line and microstrip line type space power synthesizer which includes a connecting waveguide port, a transition structure, an anti-resonance piece and microstrip lines. The transition structure adopts metal gradual change fin lines of a cosine square equation to be printed on the obverse side and the reverse side of a dielectric substrate, the metal gradual change fin line on the obverse side is in transition into two microstrip lines, the metal gradual change fin line on the reverse side is used as ground, the anti-resonance piece is printed on the reverse side of the dielectric substrate, and the shape with semicircle at the two ends and rectangle in the center is adopted.

Description

technical field [0001] The invention relates to the technical field of radar, in particular to a space power combiner in a radar solid-state transmitter. Background technique [0002] High-power amplifier is one of the essential key components of microwave or millimeter-wave frequency band transmitters, and it mainly realizes the power amplification function through electric vacuum devices or solid-state devices. For electric vacuum devices, because they are high-voltage devices, high-voltage power supply systems need to be provided in practical applications, so the volume and weight have certain restrictions on application occasions; for solid-state amplifiers, they have the advantages of low voltage, small size, and light weight. Especially with the application of microstrip printed circuits in radar solid-state transmitters, solid-state amplifiers can be used in a wider range of occasions, but a single solid-state power amplifier has a lower power capacity than an electri...

Claims

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Application Information

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IPC IPC(8): H01P5/12
Inventor 张思明武华锋汪灏周海进张娟
Owner CNGC INST NO 206 OF CHINA ARMS IND GRP
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