US Patent 10277222 Radio frequency switch

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 includes a field-effect transistor having a drain terminal, a source terminal, a FET gate terminal, and a body terminal and an off-state linearization network. The off-state linearization network includes varactors coupled to the drain terminal and the source terminal of the field-effect transistor.