System and method employing low distortion and low loss switch with anti-series diodes

A system comprising:

• transmitters configured to selectively transmit a first selectively applied radio frequency (RF) voltage input and a second selectively applied RF voltage input;
• and
• a switch comprising:
• a first switching circuit assembly having a first pair of identical diodes in first anti-series configuration, wherein an anode of a first diode of the first pair of identical diodes and an anode of the second diode of the first pair of identical diodes are coupled in series, the first switching circuit assembly constructed and arranged to cancel capacitance change wherein capacitance increases in a first diode of the first pair of identical diodes and, simultaneously, capacitance decreases in a second diode of the first pair of identical diodes with the first selectively applied RF voltage input;
• and
• a second switching circuit assembly having a second pair of identical diodes in second anti-series configuration, wherein an anode of a first diode of the first pair of identical diodes and an anode of the second diode of the first pair of identical diodes are coupled in series, the second switching circuit assembly constructed and arranged to cancel capacitance change wherein capacitance increases in a first diode of the second pair of identical diodes and, simultaneously, capacitance decreases in a second diode of the second pair of identical diodes with the second applied RF voltage input.

A method comprising:

• selectively transmitting, by transmitters, a first selectively applied radio frequency (RF) voltage input and a second selectively applied RF voltage input;
• and
• switching by a switch, one of the first selectively applied RF voltage input and the second selectively applied RF voltage input to a switch output wherein the switch comprises:
• a first switching circuit assembly having a first pair of identical diodes in first anti-series configuration, wherein an anode of a first diode of the first pair of identical diodes and an anode of the second diode of the first pair of identical diodes are coupled in series, and a second switching circuit assembly having a second pair of identical diodes in second anti-series configuration, wherein an anode of a first diode of the second pair of identical diodes and an anode of the second diode of the second pair of identical diodes are coupled in series;
• cancelling by the first switching circuit assembly a capacitance change wherein capacitance increases in the first diode of the first pair of identical diodes and, simultaneously, capacitance decreases in the second diode of the first pair of identical diodes with the first selectively applied RF voltage input;
• and
• cancelling by the second switching circuit assembly capacitance change wherein capacitance increases in the first diode of the second pair of identical diodes and, simultaneously, capacitance decreases in the second diode of the second pair of identical diodes with the second applied RF voltage input.