Digital interpolation circuitry

Details Digital interpolation circuitry Digital interpolation circuitry

1990-03-13

1991-05-21

Shaw, Dale M.

Boots, shoes, and leggings

36472410, G06F 1531

Patent

active

050180908

ABSTRACT:
A sampled data interpolator includes a linear interpolator coupled in parallel with a nonlinear compensation signal path. The nonlinearly processed signals and the linearly interpolated signals are summed to produce interpolated samples. The nonlinear compensation signal path includes a finite impulse response filter having tap weights conforming to a sinc function, and a weighting circuit for scaling filtered samples by a normalized sinc function.

REFERENCES:
patent: 4263671 (1981-04-01), Chin et al.
patent: 4302631 (1981-11-01), Shenoi et al.
patent: 4313173 (1982-01-01), Candy et al.
patent: 4344149 (1982-08-01), van de Meeberg et al.
patent: 4400719 (1983-08-01), Powers
patent: 4694414 (1987-09-01), Christopher

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