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ASIC with Interpolator for Incremental Optical Encoders
A complete ASIC integrated the 10-fold interpolator and a phase-adjusting circuit was designed and fabricated in a 0.5 μm double-poly / double-metal CMOS process.
Vielleich hilft das schon.
https://pdfs.semanticscholar.org/7eee/e0a4ecb2ada3ba88451cc05b4317210cee3f.pdf
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