Patent attributes
A radio frequency switch having a first node, a second node, and a plurality of switch cells that are coupled in series between the first node and the second node is disclosed. Each of the plurality of switch cells is made up of a main field-effect transistor (FET) having a main drain terminal, a main source terminal, a main gate terminal, and a main body terminal. Further included is a first body bias FET having a first drain terminal coupled to the main gate terminal, a first gate terminal coupled to the main drain terminal, a first body terminal coupled to the main body terminal, and a first source terminal, and a second body bias FET having a second drain terminal coupled to the main gate terminal, a second body terminal coupled to the main body terminal, and a second source terminal coupled to the first source terminal.
