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High-isolation radial power synthesis amplifier with broadband air micro-strips

A technology of radial power and high isolation, applied in the direction of amplifiers with distributed constants in the coupling network, electrical components, waveguide devices, etc., can solve the problem of radial power distribution/combiner at the output port that does not realize the millimeter wave band, etc., Achieve low conductor loss, high power combining efficiency, and suppress high-order modes

Active Publication Date: 2012-06-20
广州桑瑞科技有限公司
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AI Technical Summary

Problems solved by technology

[0005] However, no radial power divider / combiner with output port matching and isolation that can be applied to the mmWave band has been realized in the previous structure

Method used

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  • High-isolation radial power synthesis amplifier with broadband air micro-strips
  • High-isolation radial power synthesis amplifier with broadband air micro-strips
  • High-isolation radial power synthesis amplifier with broadband air micro-strips

Examples

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Embodiment

[0031] A 36-way broadband air microstrip high-isolation radial power synthesis amplifier is taken as an example for illustration below.

[0032] The overall structure of the 36-way broadband air microstrip high-isolation radial power synthesis amplifier is as follows figure 1 As shown, the structure includes a power divider 8, a plurality of power amplification modules 6, and a power combiner 9. The structure of the power combiner is the same as that of the power divider, and the power combiner just applies the power divider in reverse. The power combiner and the power divider are mirror-symmetrical up and down. The power amplifying module 6 is located between the power divider 8 and the power combiner 9 , its input port is connected to the output port 41 of the power divider 8 , and the output port is connected to the input port 41 of the power combiner 9 . The input and output ports of the power divider 8 and the power combiner 9 are waveguide ports. The form of the power...

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Abstract

The invention provides a high-isolation radial power synthesis amplifier with broadband air micro-strips, which comprises a high-isolation radial power divider / synthesizer with broadband air micro-strips and at least one power amplifier module. The high-isolation radial power divider / synthesizer with the broadband air micro-strips comprises an input waveguide, a coaxial transition structure, a radial waveguide, the radial air micro-strips and at least one output waveguide, wherein the coaxial transition structure is arranged between the input waveguide and the radial waveguide, the center of the radial waveguide is connected with the input waveguide through the coaxial probe transition structure, the air micro-strips in radial distribution are connected to the periphery of the radial waveguide, a film resistor disc is pasted between each two adjacent air micro-strips, and each air micro-strip is connected with one output waveguide. The high-isolation radial power synthesis amplifier with the broadband air micro-strips can realize high-efficiency broadband power synthesis with one-division multiplexing and in single-mode operation.

Description

technical field [0001] The present invention relates to the power synthesis technology used in the microwave and millimeter wave frequency bands, in particular to the radial power of a broadband air microstrip structure with high isolation (the coupling coefficient between ports is less than -20dB and can be called high isolation) Synthetic amplifier. Background technique [0002] In the microwave high-end and millimeter wave frequency bands, with the increase of frequency, the size of semiconductor solid-state devices decreases, the power capacity decreases, and the output power of a single device is difficult to meet the needs of communication electronic systems. People have proposed the power synthesis of multiple solid-state devices. way to realize high-power solid-state power devices. The properties of the power combining network directly determine the properties of the combining amplifier. Therefore, the key to the power combining technology is the nature of the power...

Claims

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Application Information

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IPC IPC(8): H01P5/16H03F3/60
Inventor 褚庆昕龚志康智勇
Owner 广州桑瑞科技有限公司
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