Small high-power microwave amplification module based on strip line mode

Abstract

The invention discloses a small high-power microwave amplification module based on a strip line mode. The small high-power microwave amplification module comprises a substrate (1), a power transistor (2), a base plate A (3), a base plate B (4), a cover plate A (5) and a cover plate B (6), the base plate A (3) is printed with an input matching circuit composed of an input impedance matching unit (31) and an input turning-connection unit (32), and the base plate B (4) is printed with an output matching circuit composed of an output turning-connection unit (42) and an output impedance matching unit (41). The cover plate A (5) covers and presses the input impedance matching unit (31) and is connected with the base plate A (3) in a fastening mode to from a strip line circuit, and the cover plate B (6) covers and presses the output impedance matching unit (41) and is connected with the base plate B (4) in a fastening mode to from a strip line circuit. The impedance matching units of the power transistor are sealed through strip lines, therefore, the electromagnetic compatibility of the high-power microwave amplification module is improved in electric performance, space arrangement is effectively utilized in structural design, and the size is reduced.

Description

technical field [0001] The invention relates to a high-power microwave amplifying module, in particular to a small-sized high-power microwave amplifying module based on strip line mode with strong electromagnetic compatibility and small volume. Background technique [0002] The microwave amplifier module is one of the very important modules in the microwave communication technology, and it is the key module that provides gain and output power in the last stage of the transmitter. It not only plays an important role in modern wireless communication, but also plays a central role in military and civilian equipment. With the continuous development of semiconductor technology, the current high-power microwave amplification module is mainly realized by the way of microstrip line. The microstrip line is composed of a conductor strip, a single-side dielectric layer and a ground plate. Asymmetrical up and down. Such as figure 1 As shown, in actual use, one side of the single-side...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the deficiencies of the prior art, to provide a necessary feed circuit for sealing the impedance matching circuit of the power transistor by using a strip line, and directly installing a high-power microwave amplifying module on the strip line cover plate The small high-power microwave amplifying module based on the stripline method solves the problem of large electromagnetic radiation of the high-power microwave amplifying module and improves the electromagnetic compatibility of the high-power microwave amplifying module; directly install the high-power microwave on the stripline cover plate The feeding circuit necessary for the amplifying module forms a three-dimensional space arrangement, improves space utilization, and realizes a more miniaturized design of the high-power microwave amplifying module

Images