Keysight Technologies E5260 Series

Keysight E5260/E5270 Programming Guide, Edition 4 2- 29
Remote Mode Functions
Digital I/O Port
Digital I/O Internal Circuit
The following figure shows the input/output circuits internally connected to each
port/pin of the Digital I/O connector.
Figure 2-18 Digital I/O Internal Circuit
Vcc
R2
R1
Q1
to input control
from output control
to DSUB pins
Vcc=5 V
R1=1 kohm
R2=100 ohm
Q1: Vce(sat)=0.3 V