Patent ID: 7299028

Claim:
A driver circuit operative to drive a passive mixer located in a radio-frequency (RF) receiver, the driver circuit comprising: a power supply; means for biasing the driver circuit; a differential amplifier stage coupled to the supply and the means for biasing the driver circuit and being adapted to receive first and second input signals from a local oscillator and to process the first and second input signals for providing first and second amplified signals; a latch stage coupled to the differential amplifier stage, supply and means for biasing the driver circuit and being adapted to receive and process the first and second amplified signals for providing latched versions of the first and second amplified signals; and a filtering stage coupled to the latch stage and being adapted to receive and filter the latched versions of the first and second amplified signals for providing first and second filtered signals, wherein each of the first and second filtered signals includes predetermined signal content associated with at least one predetermined frequency range.