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Waveguide internal solid push-pull amplifier power synthesizer based on fin line balun structure

A power amplification and combiner technology, applied in waveguide devices, electrical components, connecting devices, etc., can solve problems affecting power and efficiency of power combiners, cumbersome assembly, complex structure, etc., and achieve high gain and good linearity

Inactive Publication Date: 2006-06-28
深圳市利原宏通信技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing closed space power combiner has a complex structure, cumbersome assembly, and unsatisfactory heat dissipation effect, which directly affects the power and efficiency of the power combiner.

Method used

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  • Waveguide internal solid push-pull amplifier power synthesizer based on fin line balun structure
  • Waveguide internal solid push-pull amplifier power synthesizer based on fin line balun structure
  • Waveguide internal solid push-pull amplifier power synthesizer based on fin line balun structure

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Embodiment Construction

[0024] The structure and principle diagram of the present invention are as figure 1 , 4 As shown, it includes two opening power combining modules, at least one H-shaped power combining module and a part of the waveguide block are assembled between the two opening power combining modules, and the relevant surfaces of all modules and part of the waveguide block form a closed waveguide; Multiple pairs (at least one pair) of microwave or millimeter wave solid amplifier devices (MMIC) 14 are placed side by side on one or more E planes (ie, the direction of the electric field) of the waveguide 26, and the input end of the device is provided with an input of a finned line balun structure The fin line antenna balun array 16 and the microstrip impedance transformer array 17 with gradual slot width, the output end of the device is provided with the fin line antenna balun array 16' and the microstrip impedance transformation The substrates 12, 12', 13, 13' of the array 17' are made of a...

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Abstract

The present invention relates to a waveguide internal solid state push-pull amplified power synthesizer based on finline balun. It includes two open power synthesis modules, between said two open modules is assembled a closed waveguide formed from at least a H-shaped power synthesis module and a partial waveguide block, several pairs of push-pull MMIC of every module are directly welded and mounted on the heat sink, and the input and output graded slit-width finline balun arrays of several finline balun structures are three-D stereoscopically placed on the electric field directions of input and output waveguide sections, and the graded slit-width finline balun array and several pairs of MMIC using push-pull mode to work are adopted to implement power synthesis in closed waveguide. It has wide frequency band, high gain and ideal linearity, so that it can be substituted for high power electric vacuum device.

Description

technical field [0001] The invention relates to a high-power solid-state amplifier technology for microwave and millimeter-wave transmitting systems, in particular to a solid-state push-pull amplifying power combiner in a waveguide based on a fin-line balun structure. Background technique [0002] At present, the frequency of solid-state devices has been extended to hundreds of GHz, that is, the submillimeter wave band. In the microwave and millimeter wave bands, hybrid integrated circuits of single solid-state devices and monolithic microwave millimeter wave integrated circuits (MMICs) have been widely used, and low-noise and low-power electric vacuum devices (TWT & Klystron) have been completely replaced. [0003] However, in terms of high-power broadband, solid-state devices are still insufficient, and electric vacuum devices are still dominant. However, due to the advantages of solid-state devices such as small size, light weight, low voltage, high reliability, long lif...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01P5/00
Inventor 姜遵富
Owner 深圳市利原宏通信技术有限公司
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