| 摘要 |
A signal generator consistent with certain embodiments of the invention has a reference clock ( 34 ) producing a periodic sequence of reference clock output pulses. A window generator ( 38 ) generates a plurality of time windows through which a selected plurality of the reference clock output pulses are selectively passed as windowed pulses so that the windowed pulses form a selected pattern of pulses. A programmable delay ( 46 ) has resolution of delay that has finer time granularity in delay than the period of the clock output pulses. The programmable delay ( 46 ) delays each of the windowed pulses by a programmed delay time to thereby provide a timing correction to the windowed pulses to produce an output pattern of pulses.
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