Honeywell Chadwick-Helmuth 8500C - Figure 4-2. Analog Board Block Diagram

4-4 Chadwick-Helmuth A Business Unit of Honeywell International, Inc.
Chapter 4 - System Theory of Operation
Figure 4-2. Analog Board Block Diagram
INPUT
OVERLOAD
DETECTOR
2:1
MULTIPLEXER
HIGH PASS
FILTER
NOISE
GENERATOR
VELOCIMETER
SIGNAL
INPUT FROM
8520C
PROGRAMMABLE
GAIN
AMPLIFIER
ANTI-ALIAS
LOW-PASS
FILTER
(2 ND STAGE)
GAIN
OVERLOAD
DETECTOR
TRACK
AND
HOLD
SYSTEM DATA BUS
TO MEMORY
ON DIGITAL
BOARD
ANALOG-
TO-DIGITAL
CONVERTER
ANTI-ALIAS
LOW-PASS
FILTER
(1 ST STAGE)
ANTI-ALIAS
LOW-PASS
FILTER
(3 RD STAGE)
FILE: FIG4-2.DRW