Abstract: A dual pixel-size color image sensor, including an imaging surface, for imaging of incident light, and a plurality of color pixels, each color pixel including (a) four large photosites, including two large first-color photosites sensitive to a first color of the incident light, and (b) four small photosites including two small first-color photosites sensitive to the first color of the incident light. The large and small first-color photosites are arranged such that connected regions of the imaging surface, not associated with large and/or small first-color photosites, are not continuous straight lines. A method for manufacturing a color filter array on an imaging surface of a dual pixel-size image sensor includes forming a first-color coating on first portions of the imaging surface to form large and small first-color photosites sensitive to a first color, wherein connected portions of the imaging surface, different from the first portions, are not continuous straight lines.

Abstract: A circuit for providing signal amplification with reduced fixed pattern noise. In an embodiment, the circuit includes an amplifier and a plurality of legs coupled in parallel with one another between a first node for an input of the amplifier and a second node for an output of the amplifier. Control logic selects a first combination of the plurality of legs for a first configuration of the circuit to provide a first loop gain with the amplifier. In another embodiment, the control logic further selects a second combination of the plurality of legs for a second configuration of the circuit to provide a second loop gain with the amplifier, wherein the first loop gain is substantially equal to the second loop gain.