A circuit comprising: a first branch coupled between a first input node and a first output node, the first branch configured and arranged to transfer a radio frequency, RF, signal coupled at the first input node to the first output node when a first control signal is at a first logic value; a first transistor in the first branch having a first current electrode coupled at the first input node and a second current electrode coupled to a first intermediate node, the first transistor formed in a first isolation well coupled to a bias voltage supply terminal; a second transistor in the first branch having a first current electrode coupled to the second current electrode of the first transistor at the first intermediate node and a second current electrode coupled at the first output node, the second transistor formed in a second isolation well coupled to the bias voltage supply terminal; and a third transistor having a first current electrode coupled at the first intermediate node and a second current electrode coupled at a first supply terminal; a second branch coupled between a second input node and a second output node, the second branch configured and arranged to transfer a second RF signal coupled at the second input node to the second output node when the first control signal is at the first logic value; a fourth transistor in the second branch having a first current electrode coupled at the second input node and a second current electrode coupled to a second intermediate node; a fifth transistor in the second branch having a first current electrode coupled to the second current electrode of the fourth transistor at the second intermediate node and a second current electrode coupled at the second output node; and a sixth transistor (108, 110, 118, 120) having a first current electrode coupled at the first intermediate node and a second current electrode coupled at the second intermediate node, the sixth transistor configured to be in a non-conducting state when the first control signal is at the first logic value; and a seventh transistor (108, 110, 118, 120) having a first current electrode coupled at the first intermediate node and a second current electrode coupled at the second intermediate node, the seventh transistor configured to be in a conducting state when a first control signal is at a second logic value wherein the RF signal and the second RF signal together are a differential signal; wherein each of the third and sixth transistor further includes a control electrode coupled to receive the second control signal, the second control signal a complementary signal of the first control signal. a first branch coupled between a first input node and a first output node, the first branch configured and arranged to transfer a radio frequency, RF, signal coupled at the first input node to the first output node when a first control signal is at a first logic value; a first transistor in the first branch having a first current electrode coupled at the first input node and a second current electrode coupled to a first intermediate node, the first transistor formed in a first isolation well coupled to a bias voltage supply terminal; a second transistor in the first branch having a first current electrode coupled to the second current electrode of the first transistor at the first intermediate node and a second current electrode coupled at the first output node, the second transistor formed in a second isolation well coupled to the bias voltage supply terminal; and a third transistor having a first current electrode coupled at the first intermediate node and a second current electrode coupled at a first supply terminal; a second branch coupled between a second input node and a second output node, the second branch configured and arranged to transfer a second RF signal coupled at the second input node to the second output node when the first control signal is at the first logic value; a fourth transistor in the second branch having a first current electrode coupled at the second input node and a second current electrode coupled to a second intermediate node; a fifth transistor in the second branch having a first current electrode coupled to the second current electrode of the fourth transistor at the second intermediate node and a second current electrode coupled at the second output node; and a sixth transistor (108, 110, 118, 120) having a first current electrode coupled at the first intermediate node and a second current electrode coupled at the second intermediate node, the sixth transistor configured to be in a non-conducting state when the first control signal is at the first logic value; and a seventh transistor (108, 110, 118, 120) having a first current electrode coupled at the first intermediate node and a second current electrode coupled at the second intermediate node, the seventh transistor configured to be in a conducting state when a first control signal is at a second logic value wherein the RF signal and the second RF signal together are a differential signal;