Appendix A: MSO/
DPO4000B Warranted Specifications
Table 5: Input/Output port specifications
Characteristi
c
Description
You can set the
Auxiliary output to Trigger Out or Reference Clock Out.
Reference Clock Out: Supplies the reference clock.
Trigger Out: A HIGH to L OW transition indicates that the trigger occurred.
Trigger output logic levels
Characteristic
Limits
Vout (HI)
≥2.5 V open c
ircuit
≥1.0Vintoa50Ω load to ground
Auxiliary output (AUX OUT)
Trigger Out or
Reference Clock Out
Vout (LO) ≤0.7 V into a load of ≤4mA
≤0.25 V into a 50 Ω load to ground
MSO4000B and DP O4000B Series Oscilloscopes User Manual 191