Patent ID: 7535320

Claim:
A method for a phase shifter with flexible control voltage comprising: placing a first single pole double throw switch in communication with a second single pole double throw switch via a low pass network; placing the first single pole double throw switch in communication with the second single pole double throw switch via a high pass network; receiving a first RF signal at a first input/output node associated with the first single pole double throw switch; providing low loss between the first input/output node and the high pass network; providing a high isolation between the first input/output node and the low pass network; and providing the first RF signal to the second single pole double throw switch via the high pass network for output at a second input/output node associated with the second single pole double throw switch, wherein a capacitor, in communication with at least one of the first single pole double throw switch and the second single pole double throw switch, is a series resonant capacitor.