Table of Contents
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• O
• S
Voltage/Current Mode (mV/V/mA/A)
Move the entry focus onto the level units to select between setting the
pulse levels
NOTE
This parameter is only available in text mode.
Output Source Impedance Parameter (50Ω into)
Select an output source impedance of 50 Ω or 1 kΩ.
NOTE
This parameter is only available in text mode
Load Impedance Parameter (50.0Ω)
Adjust the load impedance value expected at the output to compensate
for non-50Ω loads. The displayed level parameters are then calculated
using this value and therefore represent the levels at a non-50Ω static
load.
NOTE
This parameter is only available in text mode.
-A
FFS
MPL
Select offset and amplitude format for the pulse levels. Offset is
measured from 0V to the middle of the pulse amplitude. Pulse
amplitude is the difference between the high and low levels of the
pulse.
ECL
ET
Select high and low level format and automatically set the levels to
the default ECL levels:
ECL-HI:
–850 mV
ECL-LOW:
–1.80 V
These default levels are set once and can be adjusted afterwards by
moving the entry focus to the value as normal.
V
or
IN
OLTS
A
.
IN
MPERES
Using the HP 81101A
The Output Screen
63
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