| 摘要 |
The disclosure relates to transceivers incorporating a transmit-receive switching circuit, embodiments of which include a radio transceiver circuit (600) comprising: a first amplifier (601) for amplifying signals received from an antenna via an antenna connection (603); a second amplifier (602) for amplifying signals to be transmitted by the antenna via the antenna connection; and a switching circuit (605) connected between an input of the first amplifier (601) and the antenna connection (603), the switching circuit (605) comprising a capacitor (606), a switching element (607) and an impedance matching element (608), wherein the switching element (607) is configured to connect a node (609) between the capacitor (606) and the impedance matching element (608) to a signal ground (610) when the transceiver (600) is in a transmit mode. |
