Patent ID: 8368451

Claim:
A radio frequency (RF) switch having a first port and a second port, the RF switch comprising: a transmission line having a first end coupled to the first port of the RF switch and a second end coupled to the second port of the RF switch; and a switch element coupled between said transmission line and a first reference node, the first reference node to carry a first reference potential, said switch element comprising: a first plurality of transistors connected in a series configuration to make a four terminal device having two gate electrodes and two ohmic nodes with a first one of the ohmic nodes coupled to said transmission line and a second one of the ohmic nodes coupled to the first reference node, the first plurality of transistors having a common node between first and second transistors in the series configuration; and a first gate control circuit coupled to provide a floating voltage between each of the two gate electrodes and the common node and configured to isolate RF signals from the gate control circuit.