Patent ID: 7415245

Claim:
An ultrawideband radio frequency signal generator, comprising: a first signal generator operable to generate a sinusoidal window function; a second signal generator operable to generate a carrier signal; a mixer operable to produce an ultrawideband radio frequency product signal as a product of the sinusoidal window function and the carrier signal; and an RF switch operable to gate the ultrawideband radio frequency output signal; wherein the RF switch comprises a P-FET, a first N-FET and a second N-FET; the source of the P-FET coupled to the first voltage source, the gate of the P-FET coupled to the input voltage level, and the drain of the P-FET coupled to the drain of the first N-FET and the gate of the second N-FET; the gate of the first N-FET coupled to receive the control signal, and the source of the first N-FET coupled to the drain of the second N-FET; the source of the second N-FET coupled to the voltage reference.