Measurement Computing PCI-DAS4020/12 - Manual (Page 19)

PCI-DAS4020/12 User's Guide Functional Details
19
Solder Gap Configuration Input Impedance
Open 1.5 M typical
Close 50
The board designation for the analog input channels and the trigger/clock BNC input are listed below.
Solder Gap board label Channel
SG1 Channel 0
SG2 Channel 1
SG3 Channel 2
SG4 Channel 3
SG5 TRIG/Ext Clock input
Solder gaps for the analog input channels are located on the rear of the board (circuit-side) and are labeled SG1
to SG4 . See Figure 10.
Figure 10. Analog input channel solder gap locations (circuit-side)
The solder gap for the trigger/clock input is located on the front of the board (component-side) and is labeled
SG5 . See Figure 11.
Figure 11. Trigger/clock input solder gap location (component-side)