6. About Hardware
AD12-16(PCI)E, AD12-16U(PCI)E, AD16-16(PCI)E
87
Block Diagram
Figure 6.1 is a circuit block diagram of this board.
PCI Bus
PCI Bus interface
On board
memory
DC/DC
converter
ASIC
A/D
converter
Sample & Hold
amplifier
Instrument
amplifier
8/16 channel
multiplexer
with over voltage
protection
CN1
CN2
16 single-ended /
8 differential
Analog Inputs
4 Digital Input /
4 Digital Output /
control signals
D/A
converter
Simultaneous
Hold
Analog Outputs
Counter
signals
Counter 8254
16-bit counter 2
16-bit counter 1
16-bit counter 0
Figure 6.1. Block Diagram
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