Keithley 7001

Theory of Operation
6-2
Figure 6-1
Model 7001 system block diagram
AC Mains
CH RDY
External Trigger
BNC Board
Digital I/O
Trigger Links
µ DIN Board
2
Drivers
Universal Input
Switching Supply
Power Supply Board
+6V
+14.6V
Glue
Logic
Main
Processor
IEEE
488
+5V
Reg
+5V
Reg
VFD
VFD
Supply
Glue
Logic
Digital Board
Micro-
Controller
VFD
Display
Display Board
Control
Data
Key
Matrix
+60V
5V AC Filament
IEEE-488
Interface
Backplane
+6V +14.6V
Relay Drivers
Analog Bus
Digital/Analog
Bus
Card
1
Card
2
+6V +14.6V
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