Analog Output Circuitry - National Instruments SCXI-1120/D User Manual

Channel 0
Channel 7
MTEMP
Output Stage and
Hardware Scan
Control
Analog
Reference
© National Instruments Corporation

Analog Output Circuitry

Figure 4-5 shows the SCXI-1120/D analog output circuitry.
SCXIbus
Output
Mux
DTEMP
The SCXI-1120/D output circuitry consists of a buffered-output
multiplexer and channel-select hardware. The channel-select hardware
consists of a counter. This counter is needed when the module is operating
in the multiplexed-output mode.
ABO
Switch
MCH1+
From
Channel 1
MCH6+
From
Channel 6
MCH7+
From
Channel 7
W41
Figure 4-5. Analog Output Circuitry
4-9
Chapter 4 Theory of Operation
Output
Stage
Control
MCH0+
Buffer
MCH0-
MCH1-
MCH6-
MCH7-
SCXI-1120/D User Manual