Patent ID: 7120399

Claim:
A high-speed CMOS transmit-receive antenna switch comprises: a first transistor operably coupled to an antenna, to a transmit path, and to receive a T/R control signal, in which when the first transistor is active the transmit path is switched on to the antenna to couple a transmit signal on the transmit path to the antenna; a second transistor operably coupled to the antenna, to a receive path, and to receive the T/R control signal, in which when the second transistor is active, the receive path is switched on to the antenna to couple a received signal from the antenna on to the receive path, and wherein when the T/R control signal is in a first state, the first transistor is active and the second transistor is inactive and, when the T/R control signal is in a second state, the second transistor is active and the first transistor is inactive; and parasitic compensation network operably coupled to the first and second transistors, wherein the parasitic compensation network compensates for adverse affects of parasitic components of the first and second transistors at operating frequencies of the high-speed CMOS transmit-receive antenna switch.