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SNA5000A Vector Network Analyzer User Manual 30
1. On the UI interface, click the cell twice in succession and then enter the value in the pop-
up virtual numeric keyboard.
2. Press the Tab key on the front panel to make the focus fall on the cell you want to change,
press the number key +Enter on the front panel to set the value, or turn the knob to
change the value.
A. Global Power Limit. This sets a maximum source power level for individual test ports. This
value limits port power for all channels and all applications. Power levels that attempt to
exceed the power limit are clipped at the limit.
B. Power Limit Enable. Selects On indicate that power is limited to the adjacent value at the
specified source port and selects Off indicate that power is not limited to this value, but
the maximum power of the source.
C. Set the Source Power value.
D. Set the Power Offset value.
E. Set the Port Power value. The formula among Source Power, Power Offset, and Port
Power is: Source Power + Power Offset = Port Power
2.4 Sweep
Sweeping refers to the measurement of a series of consecutive data points against a series
of specified excitation values.
2.4.1 Points
Data points are the number of data samples representing the measured values at a single
excitation value. You can specify the number of data points that the vector network analyzer
measures in a sweep. The sweeping time of the vector network analyzer varies proportionally
with the number of points.
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