Radio frequency optical transmission system and method integrated with field amplifier front end

Abstract

The invention discloses a radio frequency optical transmission system and method integrated with a field amplifier front end. The system comprises an outdoor transmitting optical transmitter and receiver and an indoor receiving optical transmitter and receiver; the outdoor transmitting optical transmitter and receiver comprises a waveguide interface, a field effect transistor amplifier, a field amplifier equalizer, a power amplifier and a laser; the waveguide interface, the field effect transistor amplifier, the field amplifier equalizer and the power amplifier are electrically connected in sequence, and the power amplifier is electrically connected with the laser; the indoor receiving optical transmitter and receiver comprises an optical path self-adaptive device, a photoelectric detectorand a rear coupling amplifier, wherein the optical path self-adaptive device, the photoelectric detector and the rear coupling amplifier are electrically connected in sequence. In the outdoor transmitting optical transmitter and receiver, the design of a field amplifier is integrated, so a radio frequency signal directly enters the outdoor optical transmitter and receiver from an antenna to be processed, additional radio frequency signal switching equipment is not needed, and the integration, miniaturization and flexibility of the system are enhanced.

Description

Technical field [0001] The present invention relates to the field of radio frequency communication, in particular to a radio frequency optical transmission system and method integrated with a field amplifier front end. Background technique [0002] The radio frequency optical transmission system is a transmission system that modulates the radio frequency signal onto the optical carrier, and then demodulates the radio frequency signal at the receiving end after transmission through the optical fiber. It is an important part of the radio frequency microwave communication system. In recent years, with the rapid development of wireless communication technology, the application requirements of radio frequency optical transmission systems have also grown rapidly. As a technology with very wide applicability, radio frequency optical transmission system has important application value in civil communication and national defense and military. Its use covers radio communication, television...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a radio frequency optical transmission system and method that integrates the front end of the field amplifier, aiming at solving the problem that the prior art requires external signal transfer equipment to increase signal loss and reduce system stability

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