Frequency and phase conversion circuit, wireless communication unit, integrated circuit and method therefor

An integrated circuit for supporting a plurality of different duty cycles, the integrated circuit comprising a frequency and phase conversion circuit slice comprising a plurality of mixer arrangements configured to receive at least one baseband input signal and a selected plurality of phases of at least one input clock signal and output a frequency and phase converted representation of the at least one baseband input signal wherein at least one of the plurality of mixer arrangements is re-used in a plurality of the selectable supportable duty cycles.

A wireless communication unit for supporting a plurality of different duty cycle clock signals, the wireless communication unit comprising a frequency and phase conversion circuit, wherein the frequency and phase conversion circuit comprises:

• a local oscillator module arranged to receive at least one input clock signal wherein a plurality of phases of the at least one input clock signal are selectable to support a plurality of different duty cycle clock signals;
• and
• a plurality of mixer arrangements configured to receive at least one baseband input signal and the selected plurality of phases of the at least one input clock signal and output a frequency and phase converted representation of the at least one baseband input signal wherein at least one of the plurality of mixer arrangements is re-used in a plurality of the selectable supportable duty cycles.

A frequency and phase conversion circuit for supporting a plurality of different duty cycles, comprising a plurality of mixer arrangements configured to receive at least one input signal and a selected plurality of phases of at least one input clock signal and output at least one baseband signal wherein at least one of the plurality of mixer arrangements is re-used in a plurality of the selectable supportable duty cycles.