Patent ID: 8880014

Claim:
A circuit for amplifying radio frequency signals, the circuit comprising: a first circuit configured to amplify a radio frequency (RF) signal so as to provide a first gain; a second circuit configured to amplify the RF signal so as to provide a second gain; first and second switches formed as complementary metal oxide semiconductor (CMOS) devices and each including a source and a drain, a gate between the source and the drain, and a first well formed about the source and drain; and a control component configured to control application of first and second bias voltages to the first well of the first switch, the first and second bias voltages for the first well of the first switch being different and corresponding to first and second states of the first switch, respectively, the control component further configured to control application of third and fourth bias voltages to the first well of the second switch, the third and fourth bias voltages for the first well of the second switch being different and corresponding to first and second states of the second switch, respectively, at least the combination of the first state of the first switch and the second state of the second switch resulting in the RF signal being amplified by the first circuit, and at least the combination of the second state of the first switch and the first state of the second switch resulting in the RF signal being amplified by the second circuit.