Removing close-in interferers through a feedback loop

A current-mode sampling mixer comprising:

• an amplifier to produce a current based on a radio frequency (RF) signal;
• a plurality of loads, each load switch-ably coupled to the amplifier, each load containing circuitry to accumulate a charge based on the current;
• and
• a plurality of charge read-out circuits, each charge read-out circuit switch-ably coupled to a load, the charge read-out circuit to permit extraction of the charge accumulated on the load.

A method for removing interferers comprising:

• creating a discrete-time sample stream (DTSS) from an analog continuous-time radio frequency (RF) signal;
• converting the DTSS into a digital data stream (DDS);
• predicting a presence of interferers in the DDS;
• feeding back information about the predicted interferers;
• and
• eliminating the predicted interferers from the DTSS.

A radio frequency (RF) radio receiver comprising:

• a signal input;
• a sampling unit coupled to the signal input, the sampling unit containing circuitry to convert an analog signal provided by the signal input into a discrete-time sample stream (DTSS);
• a signal processing unit coupled to the sampling unit, the signal processing unit containing circuitry to filter and convert the DTSS into a digital data stream (DDS);
• an interferer predictor unit coupled to an output of the signal process unit, the interferer predictor unit containing circuitry to detect and provide information regarding interferers in the DDS;
• and
• a feedback circuit having an input coupled to the interferer predictor unit and an output coupled to the sampling unit, the feedback circuit containing circuitry to provide the information produced by the interferer predictor unit to the sampling unit.