Keithley KUSB-3100, User Manual

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Chapter 2
6
Figure 1 shows a block diagram of the KUSB-3100 module.
Figure 1: Block Diagram of the KUSB-3100 Module
A/D Ch6
A/D Ch7
A/D Ch5
A/D Ch4
8-Channel Multiplexer
+2.5 V Reference
A/D Ch2
A/D Ch3
A/D Ch1
A/D Ch0
12-Bit D/A
Converter
12-Bit A/D
Converter
DAC 1
DAC 0
From USB
Port
Power
Supply
32-Bit
Counter/Timer
C/T Out 0
C/T Gate 0
C/T In 0
A/D Clock
External Clock
External Trigger
Digital
I/O
DOUT7
DOUT0
DIN7
DIN0
USB 2.0 or 1.1
Port
Input FIFO
+5 V
ESD Protected to 4000 V
ESD Protected to 4000 V