Patent ID: 7412217

Claim:
A transceiver with interference signal rejection, comprising: a transmission path comprising a frequency conversion device configured to send a transmitted signal to an output thereof; a transmission amplifier coupled to the output of the transmission path and configured to amplify the transmitted signal; an antenna coupled to an output of the transmission amplifier; a reception path comprising a frequency conversion device configured to convert and send a signal applied to an input thereof, an input of the reception path being connected to the antenna; and a compensating circuit residing within the reception path, comprising: a first input connected to a signal extraction element that is connected between the output of the transmission path and an input of the transmission amplifier; a second input coupled to the antenna and forming the output of the reception path; an output coupled to the input of the reception path; wherein the compensating circuit is configured to reject a component of the transmitted signal that is applied to the second input thereof by crosstalking onto the input of the reception path; and wherein the signal extraction element is configured to perform inductive coupling to a signal line between the transmission path and the transmission amplifier, and wherein the rejection of the component of the transmitted signal by the compensating circuit is a function of the inductive coupling.