Specifications

Measure
Define
Sub-menu
standard/user
defined
Key
Define Measure
Menu
11-4
thresholds/
This
key
sets vertical
test conditions,
voltage
or
percentage
ratios,
measurements
Key
independent
of the
horizontal
test conditions, edge, slope, and count.
Both
ses
of test conditions must be set to dehne
the
measurement.
The
thrcsholds
submenu sets the
following vertical
test conditions:
o percentage
ratio from
-
EVo to
l25Vo
o voltage
levels from
-
250 kV
to
+
250 kV
Note
The
upper and lower thresholds must be set to levels that will
fall
on the displryedwaveform. The message
'notfound'is
displayed
if eilher threshold is
not
found
on the waveform.
Threshold
sgttings
apply to
all user-defined
front
panel
measurements.
The
Measure
Define
submenu selects
measurement
standards
assigDed by
the user. This gives
the option
6f
making
measurements
6"r"61 sa
signal
width
or delay
settings or
threshold
parameters.
Ifstandard
is
selecte4 no
other choices are available and
the
IIP
54510A
makes
measurernents
based on
IEEE
standards.
If,
however,
user defined
is
selecte4 two sets of test conditions
are
available
to define
the
measurements.
HP
54510A
Front-Panel
Reference
54501/WF21