tsarkar wrote:BTW what makes you think that original Mirage 2000 FCS was analogue?
As I pointed out previously in one post - its Hybrid analogue - digital FCS.
http://www.icas.org/ICAS_ARCHIVE/ICAS19 ... -4.5.1.pdf
Page 3 -
Internal connections arrangement is directly related to system hybrid design - Analogue processing in each channel, comparison and digital active selection, digital gains and analogue input on servo control.
The other reference you quoted also says:
Digital transmission is the only way to handle the
amount of data which must be passed around such an
active flight-control system. This is done by an Electronique
Marcel Dassault/Sagem 2084 digital computer and
a back-up USG Type 284. French engineers use the designation
Digibus for the main data highway network around
which the information travels from one part of the avionics
system to another.
To my untrained mind, Looks like the main number crunching processor is analogue only. The data transmission, selection (selecting input from one of the channels by the way of averaging or majority voting) and gains are digital. The control system for servo motors of the control surfaces are also Analogue. This for only the original Mirage-2000. Perhaps for Dash-five version they went full digital. Not sure, but I doubt that.