Re: TI-H: hey (cont.)

To: ti-hardware@lists.ticalc.org
Subject: Re: TI-H: hey (cont.)
From: Grant Stockly <gussie@stockly.com>
Date: Wed, 26 Jan 2000 17:14:01 -0900
In-Reply-To: <004301bf6857$69db81e0$744afacf@kaus>
References: <4.1.20000126135703.00918ee0@bigred.unl.edu>
Reply-To: ti-hardware@lists.ticalc.org


>analog computers are very efficient.  They use op amps with variable voltage
>and some digital stuff combined.  They just are more expensive to build and
>no one supports them.

The problem with analog, is take NTSC for an example is nick named "Never
the same color".

It is VERY hard to setup and isolate a perfect analog circut.  One of the
reasons RS-232, ST506, RS485, and diff-scsi can have such long cable
lengths is because of their differential interfaces.  (ie -15 volts for a 0
and +15 for a 1)  There is much more room for error.

Grant

References:

Re: TI-H: hey (cont.)

From: Adam Kavan <akavan@cse.unl.edu>

Re: TI-H: hey (cont.)

From: "Kaus" <kaus@cybrzn.com>