HDMI Tuning Guide
PRELIMINARY INFORMATION
Jetson AGX Orin Series Tuning and Compliance Guide DA-11040-001_v0.7 | 30
DC Power Supply
Any power supply that can supply a constant voltage of 3.3V is needed to terminate the HDMI
signals. Refer to the probe’s instruction manual on how to supply this termination voltage to
the probes.
Note: All untested lanes must be terminated to 3.3V using 50 Ω terminators. Irrespective of the
tools used, it is important to make sure that they are calibrated and meet industry standards to
obtain accurate measurements.
On Tektronix scopes, the probe and scope can be configured such that the scope can internally
apply 3.3V to the probes. This is acceptable for compliance testing.
Software
This section describes the software used for HDMI tuning.
Compliance Test Software
NVIDIA recommends that the official compliance test software is used to ensure accurate
results. Although manually measuring the signal may be as effective, it must ultimately pass
with the compliance software at the compliance house.
Table 13. Partial List of Acceptable Test Software
HDMI 1.4b Testing HDMI 2.0 Testing
Tektronix TDSHT3 or
later
TekExpress
HDM or later