Patent ID: 6950050
Filing Date: 2005-09-27
Classification: H03M

Abstract:
1. A plant driving system which receives one or more digital drive command signals and outputs corresponding analog output signals for driving at least a corresponding first analog plant to corresponding states, the driving system comprising: (a) a first digital-to-analog converter (DAC) having a first input port receiving a first plural number, N of effective input bits, a first analog output port that produces a first analog output signal having major discrete magnitudes corresponding to the effective input bits of the first input port, said first DAC having a respective, first characteristic output resolution corresponding to the first plural number, N of effective input bits; and (b) first modulating means for causing one or more special-modulating signals to be injected onto the major discrete magnitudes of the first analog output signal, said special-modulating signals being adapted to invoke respective sluggish behaviors of the corresponding first analog plant and said special-modulating signals having effective magnitudes and/or effective duty cycles for causing the first analog plant to be driven to corresponding steady states between major steady states of the first analog plant, where said major steady states respectively correspond to the major discrete magnitudes of the first analog output signal.