Fluke 45 - Overall Functional Block Diagram

45
Service Manual
2-4
Vacuum Fluorrescent
Display
Display Controller
Display Assembly
EEPROM
Calibration
Constants
Digital Kernel
Battery Assembly
Option -01
Power
Supply
5 Vac
-5.2 Vdc
-5.25 Vdc
5.25 Vdc
-30 Vdc
Guard
Crossing
Input Signal
Conditioning
Analog
Measurement
Processor
(A/D Converter)
Serial
Communication
Input Protection
Inputs
IEEE-488
Option -05
RS-232
RAM ROM
Front Panel
Switches
qb01.eps
Figure 2-1. Overall Functional Block Diagram