
NETWORK ANALYZER
POWER SENSOR
Figure 6-55.
Setup for Continuous Sample Mode
Sample-and-Sweep Mode (One Sweep)
the analyzer output power and update the power meter calibration data table during the initial
measurement sweep. In this mode of operation, the analyzer does not require the power meter
for subsequent sweeps. You may use a power splitter or directional coupler, or simply connect
the power sensor directly to the analyzer to measure the power for the initial sweep prior to
connecting and
the test device (see
6-56).
The speed of the calibration will be slow while power meter readings are taken (see
6-7).
However, once the sample sweep is finished, subsequent sweeps are power-corrected using
the data table, and sweep speed increases significantly. Once the initial sweep is taken,
sample-and-sweep correction is much faster than continuous sample correction.
If the calibrated power level is changed after the initial measurement sweep is done, the entire
correction table is increased or decreased by that amount and the annotation
(indicating
power calibration offset) appears on the display. The resulting power will no longer
be as
accurate as the original calibration.
Application and Operation Concepts
Содержание HP 8753E
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