Patent ID: 8736361

Claim:
A filter for coupling a first circuit to a second circuit, the filter comprising: an input for receiving an input signal from the first circuit; an output for providing a processed signal to the second circuit; a plurality of charge storage elements; a plurality of switch elements coupling the charge storage elements; and a controller coupled to the switch elements for sequencing configurations of the switch elements in each of a plurality of phases of each sample period of a succession of sample periods to perform a time sampled continuous value signal processing of the input signal to form the processed signal; wherein the sequenced configurations include at least a configuration in which a charge representing a value of the input signal is stored on each storage element of a first group of storage elements of the plurality of charge storage elements, a configuration in which a second group of storage elements of the plurality of the charge storage elements are coupled with the switch elements to share charge among the coupled elements of the second group, and a set of one or more configurations that implement a scaling of a charge on one of the charge storage elements to be distributed on one or more of the charge storage elements.