WIRELESS TRANSCEIVER WITH FUNCTION OF ADJUSTMENT FOR FREQUENCY-BAND MATCHING AND THE ADJUSTING METHOD THEREFOR

摘要

The present invention is related to a wireless transceiver with function of adjustment for frequency-band matching and the adjusting method therefor, mainly comprising a plurality of transmitting circuits, a plurality of receiving circuits, a frequency-band matching adjustment circuit, and a radio-frequency signal transceiving end. In this connection, the transmitting circuits and/or the receiving circuits are connected to the radio-frequency signal transceiving end via the frequency-band matching adjustment circuit. Impedance in the frequency-band matching adjustment circuit may be adjusted on the basis of the frequency-band of a RF signal, when (before) the RF signal is transmitted or received, such that high impedance or low impedance is presented in the frequency-band matching adjustment circuit with respect to the frequency-band of the received or transmitted RF signal. Thereby, loss of RF signal in reception or transmission is reduced.

主权项

1. A wireless transceiver with function of adjustment for frequency-band matching, used for receiving and transmitting a RF signal, comprising:
a plurality of transmitting circuits; a plurality of receiving circuits; a frequency-band matching adjustment circuit, connected to said plurality of receiving circuits or said plurality of transmitting circuits, and adjusting impedance in said frequency-band matching adjustment circuit on the basis of frequency-band of received or transmitted RF signal; a plurality of frequency-band matching circuits, connected to said plurality of transmitting circuits or said plurality of receiving circuits not connected to said frequency-band matching adjustment circuit, respectively, wherein lower impedance is presented in said plurality of frequency-band matching circuits with respect to RF signals at individual frequency-bands, respectively; and a radio-frequency signal transceiving end, connected to said frequency-band matching adjustment circuit and said frequency-band matching circuit.