HP 4155A, User'S Task Manual

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Making a Measurement
Sampling Measurements
T o Set up Sampling P arameters
1. Conrm that SAMPLING is set in the MEASUREMENT MODE eld on the
CHANNELS: CHANNEL DEFINITION page . If SAMPLING is not set, select
NNNNNNNNNNNNNNNNNNNNNNNNNN
SAMPLING secondary softkey in the MEASUREMENT MODE eld.
2. Press 4
Meas
5 key in the P A GE CONTROL key group .
3.
Select
N NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SAMPLING SETUP primary softkey .
4. In the MODE eld of S AMPLING P ARAMETER, select:
N
NNNNNNNNNNNNNNNNNNN
LINEAR secondary softkey for equally spaced sampling intervals .
NNNNNNNNNNNNNNNNNNNN
LOG XX secondary softkey for logarithmically spaced sampling intervals .
XX is 10, 25, or 50 sampling points per decade .
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
THINNED-OUT secondary softkey for reduced sampling interval of more
recent samples (by thinning less recent samples).
F or details about sampling mode , see \Measurement Mode" in HP
4155A/4156A User's Dictionary R eference.
5. In the INITIAL INTERV AL eld, enter a value for the rst sampling
interval.
6. In the NO . OF S AMPLES eld, enter the number of points at which to
sample .
If you set the TOT AL S AMP . TIME to A UTO , the HP 4155A/4156A takes
NO . OF S AMPLES samples , then sampling stops . If you set a value for
TOT AL S AMP . TIME, see \Measurement Mode" or \P age Organization" in HP
4155A/4156A User's Dictionary R eference.
The following gure shows the relation between the sampling parameters and
sampling measurement.
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