Two-waveband radio frequency (RF) optical transmission module
A transmission module, radio frequency light technology, applied in optical fiber transmission, electromagnetic wave transmission system, transmission system and other directions, can solve the problems of difficult signal stability, radio frequency analog signals are susceptible to external interference, etc., to widen the working frequency range and solve resource problems. The effect of waste, improving stability
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[0046] The present invention will be further described in detail below in conjunction with the embodiments of the drawings.
[0047] A dual-band radio frequency optical transmission module, including a first directional coupler 1, a down converter 2, a first filter module 3, an analog-to-digital conversion module 4, a first baseband processor 5, a first photoelectric conversion module 6, a wave Demultiplexer 7, second photoelectric conversion module 8, second baseband processor 9, digital-to-analog conversion module 10, second filter module 11, up-converter 12, cascade amplifier module 13, third filter module 14, first Two directional coupler 15 and module monitoring unit 16,
[0048] The first directional coupler 1 is connected to the down converter 2. The down converter 2 is connected to the first baseband processor 5 through the first filter module 3 and the analog-to-digital conversion module 4 in turn. The first baseband processor 5 passes through the first photoelectric The ...
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