Antistatic dual-circular-polarization active microstrip antenna

Abstract

Disclosed is an antistatic dual-circular-polarization active microstrip antenna. The antistatic dual-circular-polarization active microstrip antenna comprises an antenna printed board (1), a low-noise amplifying module (2), a radio-frequency connector (3), an antenna pattern (4) on the antenna printed board, and two feed columns (5) and a short-circuit column (6) between the antenna printed board and the low-noise amplifying module; the short-circuit column (6) is positioned in a place where the impedance of the microstrip antenna is 0 Ohm; the two feed columns (5) and the short-circuit column (6) are welded on the antenna pattern (4) printed on the antenna printed board (1), and the antenna printed board (1) is mounted on the low-noise amplifying module (2); the antenna printed board (1) and the antenna pattern (4) thereon jointly form the dual-circular-polarization microstrip antenna; the antenna receives an electromagnetic signal, the signal enters the low-noise amplifying module (2) through the two feed columns (5) to be subjected to signal amplification, and finally, the amplified signal is output through the radio-frequency connector (3); and the antenna pattern (4) is directly grounded in a direct current manner through the short-circuit column (6), so that static accumulation can be prevented.

Description

technical field [0001] The invention relates to the field of antenna design, in particular to an antistatic dual circularly polarized active microstrip antenna, which can realize simultaneous reception and amplification of left / right circularly polarized electromagnetic signals, and can effectively prevent static electricity from being placed on the antenna The accumulation on the radiation patch prevents static electricity from causing damage to the active amplifier module. Background technique [0002] The active antenna design technology is a technology that integrates the antenna and the low noise amplifier module. In various complex electromagnetic environments, in order to effectively receive electromagnetic signals of various polarizations and reduce the polarization loss of the wireless system, it is usually required that the antenna design adopts dual circular polarization. In an active antenna, the antenna and the LNA module are integrated, and the LNA module is a...

AI Technical Summary

Problems solved by technology

In the usual design, the low-noise amplifier module itself needs to add some anti-static design, but because the input terminal of the low-noise amplifier module is directly connected to the radiation patch of the antenna through the antenna feeding column, the static electricity on the antenna radiation patch will pass through the antenna The feed column enters the LNA module and damages it

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