We report on the design of an innovative CMOS demodulating pixel architecture conceived for distance measurements according to a continuous wave phase modulation time of flight technique. An electro-optical mixer (EOM) photo-detector, based on two closely spaced p-n junctions, has been integrated together with dedicated read out electronics, in a 500 ƒÝm x 25 ƒÝm pixel. To validate the approach a 128-pixel linear array has been designed and fabricated in 0.35 ƒÝm, 3.3 V, 4M-2P, CMOS technology.
Design of Electro-Optical Demodulating Pixel in CMOS Technology
Stoppa, David;Scandiuzzo, Mauro;Gonzo, Lorenzo;Pancheri, Lucio;Dalla Betta, Gian Franco
2005-01-01
Abstract
We report on the design of an innovative CMOS demodulating pixel architecture conceived for distance measurements according to a continuous wave phase modulation time of flight technique. An electro-optical mixer (EOM) photo-detector, based on two closely spaced p-n junctions, has been integrated together with dedicated read out electronics, in a 500 ƒÝm x 25 ƒÝm pixel. To validate the approach a 128-pixel linear array has been designed and fabricated in 0.35 ƒÝm, 3.3 V, 4M-2P, CMOS technology.File in questo prodotto:
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