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Operating Basics
2Ć8
DG2040 Data Generator
Theory of Operation
This section presents an overview of the DG2040 Data Generator hardware, data
structures, and operating modes to allow you to take full advantage of the
DG2040 Data Generator.
Figure 2-5 shows the main hardware blocks that make up the instrument. This
section describes these hardware blocks to provide the background knowledge
necessary to use the instrument effectively.
PLL
Clock
Clock Unit
Pattern
Control
Circuit
Pattern Memory
Sequence Memory
Output Channels
Bus
GPIB
RSĆ232ĆC
CPU Unit
CPU
ROM
RAM
RSĆ232ĆC
GPIB
Front Panel
Display
Floppy Disk Drive
Data Output
(CH0 and CH1,
Complementary)
Reference
Input
Trigger Input
Pattern Generation Unit
Event Output
Sync Output
Edge Control Input
Event Input
Clock Output
(Complementary)
Figure 2Ć5: Hardware block diagram
Block Diagram
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