Implementing a passive rotating harmonic rejection mixer (RHRM) for a TV tuner in an integrated circuit

In one embodiment, a passive rotating harmonic rejection mixer (RHRM) is provided that can directly couple to an antenna to receive an incoming radio frequency (RF) signal. This RHRM can have a master RF device to receive the signal and provide first and second RF currents, a master LO device coupled to an output of the master RF device to receive the RF currents and mix them with a master clock signal of multiple polarities to obtain a mixed signal pair. The RHRM may further include a rotating switch coupled to the master LO device to cyclically switch the mixed signal pair to one of multiple virtual ground nodes at an output of the rotating switch, and operational amplifiers each having a first input terminal coupled to one of the virtual ground nodes and having a feedback filter coupled thereto.