Patent 10454529 was granted and assigned to Qorvo on October, 2019 by the United States Patent and Trademark Office.
Improved Radio Frequency (RF) switches are provided herein. According to one aspect, an RF switch comprises one or more stages. In one embodiment, each stage comprises a signal input terminal, a signal output terminal, a control input terminal, and a switching device having a source connected to the signal input terminal, a drain connected to the signal output terminal, a gate for controlling the on/off state of the switching device, and a body terminal. Each stage includes a gate resistor connected in series between the control input terminal and the gate and a rectification circuit for rectifying a voltage across the source and drain to provide a local bias voltage to the body terminal.