Millimeter Waveguide Synthesis Amplifier Structure for Improved Manufacturability and Consistency
A producible and consistent technology, applied in the direction of waveguide devices, electrical components, connecting devices, etc., can solve the problems of easy resonance in semi-enclosed spaces, severe jitter, deterioration of callback loss, etc., and meet the processing accuracy requirements Low, compact structure, low insertion loss effect
Inactive Publication Date: 2017-09-22
CHINA ELECTRONIS TECH INSTR CO LTD
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Problems solved by technology
When the gradient line overlaps with the cavity and the gasket structure, the dielectric sheet is easily deformed by extrusion, which makes the simulation model seriously inconsistent with the actual situation, and the callback loss deteriorates
The semi-enclosed space surrounded by the medium, the gasket and the cavity is easy to resonate, resulting in severe jitter in the bandwidth range and poor broadband characteristics
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[0024] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0025] Such as Figure 4-5 , a millimeter-wave waveguide synthesis amplifier structure that can improve productivity and consistency, including an upper cavity 1 and a lower cavity 2, an input waveguide 4 is installed in the cavity of the upper cavity 1, and the input waveguide 4 is connected with the gradient line 6 The input end of the MMIC circuit 7 is connected, and the output end of the MMIC circuit 7 is connected to the output waveguide 5 through the gradient line 6; the upper cavity 1 and the lower cavity 2 are completely symmetrical structures, which are combined; The edges of the adjacent input waveguide 4 and output waveguide 5 are periodically wavy.
[0026] The periodic wave shape is a periodic semicircular arc 8 .
[0027] The energy is coupled from the input waveguide 4 to the circuits of the upper cavity 1 and the lower cavity 2 respect...
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The invention discloses a millimeter-wave waveguide synthesis amplifier structure capable of improving productivity and consistency, which includes an upper cavity and a lower cavity. An input waveguide is installed in the cavity of the upper cavity, and the input waveguide is connected to the input end of the MMIC circuit through a gradient line. The output end of the MMIC circuit is connected to the output waveguide through the gradient line; the upper cavity and the lower cavity are completely symmetrical structures, which are joined together; the edges of the input waveguide and the output waveguide connected with the gradient line form periodic waves. Two cavity structures with symmetrical structures are adopted to replace the upper cavity, the gasket and the lower cavity. Compared with the three-layer structure, the middle gasket is removed in the two symmetrical cavity structures, which requires low matching accuracy and good productivity. The dielectric sheet extruded without gasket will not be deformed and damaged, the simulation and actual coincidence are high, and the consistency reliability is also greatly improved. The dielectric groove structure formed by the gasket and the cavity is destroyed, no resonance will be generated, and the broadband characteristics are good.
Description
technical field [0001] The invention relates to the technical field of solid-state power amplifiers, in particular to a millimeter-wave waveguide synthesis amplifier structure capable of improving productivity and consistency. Background technique [0002] Millimeter-wave solid-state devices have the advantages of low DC power consumption, high reliability, compact circuit structure, small size and light weight, so they have attracted people's attention and are widely used. Due to the limitation of the physical characteristics of semiconductors, the output power of a single solid-state device is far from reaching power applications. Therefore, it is a hot research topic to use multiple solid-state devices for power synthesis to obtain high power output. [0003] The two-layer space power combining technology scheme based on the millimeter wave waveguide space is widely used in the millimeter wave system due to its small size and compact structure. However, because it contain...
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IPC IPC(8): H01P5/02
Inventor 王沫邓建钦年夫顺姜万顺王明超辛海鸣陈卓
Owner CHINA ELECTRONIS TECH INSTR CO LTD