Transmit-receive switching mechanism for TDD radio communication system
A technology of wireless communication system, transceiver switching, applied in the direction of transmission system, communication between multiple stations, transmission control/equalization, etc., can solve the problem of not taking into account the damage of the low noise amplifier, achieve small insertion loss, prevent The effect of self-oscillating
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[0024] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0025] figure 1 It is a schematic diagram showing the connection of the transceiver switching circuit device 100 according to the present invention. reference figure 1 The transceiver switching device 100 includes a power amplifier 116, a low noise amplifier 102, and a circulator 106. The power amplifier 116 is used to amplify the transmission signal of the wireless communication system to the required power, and the low noise amplifier 102 is used to amplify the antenna coupling The received signal and the circulator 106 are used for the directional transmission of radio frequency signals. Its first port is connected to the output end of the power amplifier 116, the sec...
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