Method and system for blocker and/or leakage signal rejection by DC bias cancellation

A system for wireless communication, the system comprising:

• one or more circuits for use in a wireless system, wherein said one or more circuits are operable to:
• receive an input signal comprising a desired signal and an undesirable signal, said undesired signal comprising a blocker signal from another wireless system;
• undersample said input signal, utilizing a sample and hold circuit, at a sampling frequency determined based on a frequency of said undesired signal;
• measure a DC voltage at an output of said sample and hold circuit;
• generate a control signal at an output of a digital to analog converter based on said DC voltage;
• and
• adjust a bias current to mitigate said DC voltage by applying said control signal to a first terminal of a resistor, a second terminal of said resistor connected to said output of said sample and hold circuit.