Plane space power distribution/synthesis magnifier

Abstract

The invention relates to a plane space power distribution / synthesis magnifier which comprises a substrate and at least one group of power distribution / synthesis devices, wherein the power distribution / synthesis devices are arranged on the plane of the substrate, a plurality of levels of steps are arranged on the output ends of microstrip power distributors of the power distribution / synthesis devices, one output terminal is introduced on each level of steps and is connected with the microstrip line of the magnifier by an arc-shaped microstrip line of 90 degrees, a plurality of levels of steps are arranged on the input end of a microstrip power synthesis device, and one input terminal is introduced on each level of steps and is connected with the microstrip line of the magnifier by the arc-shaped microstrip line of 90 degrees. The invention has simple structure and easy processing and is beneficial for integrating with other components and parts in a circuit. The magnifier is placed at the side edge of a main signal channel by introducing the arc-shaped microstrip line of 90 degrees, a chain type structure is formed, a distance between signal channels can be adjusted according to actual conditions, and a sufficient space is provided for placing a magnifier chip and other bias elements.

Description

technical field [0001] The invention relates to microwave and millimeter wave power amplifiers, in particular to planar space power distribution / synthesis amplifiers. Background technique [0002] At present, in microwave and millimeter wave power amplifiers, amplifiers based on electron tubes can obtain high enough power output, but their disadvantages such as expensive, bulky, and high-voltage power supply limit their applications. The solid-state power amplifier based on semiconductor devices is cheap, highly reliable, small in size, light in weight, and does not require high-voltage power supply; but its power handling capacity is limited, and the output power in the millimeter wave band generally does not exceed 10 Watts, lower output power at higher frequencies. By combining the output power of multiple solid-state devices through a power distribution / combination circuit, the output power of the solid-state power amplifier can be increased to meet the requirements for...

AI Technical Summary

Problems solved by technology

However, when the number of amplifying units increases, the line width of the ultra-wide microstrip line will increase, which will easily stimulate the propagation of high-order mode waves; and when the number of amplifying units increases, the characteristic impedance of the ultra-wide microstrip line will increase. It decreases accordingly, which increases the difference in characteristic impedance between the input microstrip line and the ultra-wide microstrip line, which is not conducive to the matching between them

Also, the distance between the individual signal paths is too small to allow enough room for the amplifier chip and its biasing components

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