Millimeter-wave multi-channel space waveguide power distribution synthesizer and method

Abstract

The invention discloses a millimeter-wave multi-channel space waveguide power distribution synthesizer and a method. The power distributor comprises a four-channel waveguide power distributors and four two-channel waveguide power distributors, a first port, four second ports and a first power allocation part are arranged in the four-channel waveguide power distributor, the first power allocation part is used for dividing one path of signal of electromagnetic wave into four paths of signals in equal proportion, a third port, two fourth ports and a second power allocation part are arranged in the each two-channel waveguide power distributor, the third port is connected with each second port, the second power allocation part is used for further dividing the four paths of signals into eight paths of signals in equal proportion, each path of signal is separately subjected to power amplification, the single path of signal subjected to amplification pass through the power synthesizer having the same structure with the power distributor, and multi-path power synthesis of electromagnetic signals are completed. The millimeter-wave multi-channel space waveguide power distribution synthesizer has the advantages of wide band, high capacity, high isolation, high efficiency, low loss and the like.

Description

technical field [0001] The present invention relates to a millimeter-wave multi-channel spatial waveguide power distribution / combiner suitable for millimeter-wave frequency bands, a power distribution method using the millimeter-wave multi-channel spatial waveguide power distribution / combiner, and a power distribution method using the millimeter-wave multi-channel spatial waveguide power Power Combining Method for Distributor / Combiner. Background technique [0002] With the development of millimeter-wave high-power test technology, the output power of a single solid-state power amplifier chip can no longer meet the requirements of the test system for output power. The output power of the system. Common power dividers / combiners include planar circuit power dividers / combiners and radial waveguide-based spatial power dividers / combiners. The planar circuit power distribution / combiner mostly adopts the cascaded structure of multi-stage Wilkinson power dividers. As the number of...

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Problems solved by technology

However, the above-mentioned waveguide-based spatial power distribution / combiner has the following disadvantages: (1) The three-dimensional structure adopted by the waveguide-based spatial power distribution / combiner increases the processing difficulty, and the assembly is complicated and the production cost is high; (2) Since the coaxial transmission line is used as the transmission medium of the multi-channel power distribution and synthesis section, as the operating frequency increases, the loss of the coaxial transmission line becomes larger, and the synthesis efficiency decreases rapidly; (3) this power distribution / combiner is due to It is impossible to add isolation resistors, and the isolation between the branches of each amplifying unit is poor, which reduces the stability and reliability of the waveguide-based spatial power distribution / combiner

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