Patent ID: 7860464

Claim:
A method for processing signals, the method comprising: generating via a direct digital frequency synthesizer, a first signal based on a base signal; generating a second signal based on said base signal; and quadrature mixing in-phase (I) and quadrature phase (Q) components of said first signal, in-phase (I) and quadrature phase (Q) components of said second signal, and signals I′ and Q′ to generate a local oscillator signal comprising an in-phase (I) component and a quadrature phase (Q) component, wherein said I′ signal comprises a same frequency as said I component of said second signal, and a phase of said I′ signal is one of: in phase with respect to said I component of said second signal or 180° out of phase with respect to said I component of said second signal, and wherein said Q′ signal comprises a same frequency as said Q component of said second signal, and a phase of said Q′ signal is one of: in phase with respect to said Q component of said second signal or 180° out of phase with respect to said Q component of said second signal.