Fluke 8010A - A;D Converter Simplified Schematic and Timing Diagram

THEORY
OF
OPERATION
CIRCUIT
DESCRIPTIONS
UNKNOWN
INPUT
VOLTAGE
±
REF
{FLYING
CAPACITOR)
lIMT
BUFFER
COMPARATOR
INTEGRATOR
OUTPUT
AZ PERIOD
INTEGRATOR
OUTPUT
INTEGRATE
PERIOD I
READ
PERIOD
I
-1000
COUNTS-
OR ONE CYCLE
OF
60
Hz
OVER RANGE
(2000
COUNT
DURING READ PERIOD)
Figure
3-2.
A/D Converter Simplified
Schematic
and Timing Diagram