ADLINK ND-6067 - Manual (Page 251)

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7.4.6 Differential Voltage Output
<ND-6021,ND-6024>
+VOUT
DAC
-VOUT
Voltage Loading
7.4.7 Digital Input onnect with TTL Signal
<ND-6024,ND-6050,ND-6058,ND-6080>
10Kohm
TTL Buffer
To
Micro Processor
+5V
GND
DI n
TTL
Device
7.4.8 Digital Input Connect with Switch or Push Button
<ND-6050,ND-6058>
10Kohm
TTL Buffer
To
Micro Processor
+5V
GND
DI n
Switch
or
Push Button