A Continuous-Time Digital IIR Filter With Signal-Derived Timing and Fully Agile Power Consumption.
IEEE Journal of Solid-State Circuits(2018)
摘要
Presented is the first continuous-time (CT) digital infinite impulse response (IIR) filter working on signal-derived timing in lieu of a clock. We introduce a novel design method which enables the design of high-order IIR filters using only two tap delays. An event-grouping technique is also introduced to prevent parasitic oscillations in the presence of tap delay mismatches. The 1.2-V, 65-nm CMOS...
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关键词
Delays,Oscillators,Clocks,Digital signal processing,Delay lines,Finite impulse response filters
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