Xref: utzoo comp.sys.mac:51140 comp.sys.mac.hardware:2436
Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!cs.utexas.edu!rice!uupsi!rodan!isr
From: isr@rodan.acs.syr.edu ( ISR group account)
Newsgroups: comp.sys.mac,comp.sys.mac.hardware
Subject: Re: Color video cards info
Message-ID: <2548@rodan.acs.syr.edu>
Date: 22 Mar 90 15:42:16 GMT
References: <432@gestetner.oz> <1990Mar9.004044.16761@eddie.mit.edu> <5929@crdgw1.crd.ge.com> <27835@cup.portal.com> <7289@goofy.Apple.COM>
Reply-To: isr@rodan.acs.syr.edu (Michael S. Schechter - ISR group account)
Distribution: usa
Organization: Syracuse University, Syracuse, NY
Lines: 8


By using all three (RGB) DACs, carefully choosing the individual levels, and
sending the outputs through a attenuator/mixing network, it is possible
to acheive 12-bit accuracy in 16 stepped ranges. (ie, at the hi-order 4 bit
bit transitions, there are mismatchs). 
-- 
Mike Schechter, Computer Engineer,Institute Sensory Research, Syracuse Univ.
InterNet: isr@rodan.acs.syr.edu   Bitnet: SENSORY@SUNRISE