4.4 Measurement Controls
4
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18
ZA57630
4.4 Measurement Controls
This section describes how to start and stop measurement with this instrument.
This instrument can perform sweep measurement and spot measurement.
Sweep measurement: This measures the impedance characteristics by sweeping any of
frequency, measurement signal amplitude, DC bias, and time.
The measurement results are displayed in a graph. There is
up-sweeping to measure the sweep item in ascending order and
down-sweeping to measure the sweep item in descending order
(time sweeping is only in ascending order).
Spot measurement: This measures at a fixed frequency, measurement signal amplitude,
or DC bias. The measurement results are displayed as numerical
values on the LCD.
Measurement is controlled with the
MEASURE
keys on the front panel.
DOWN
key
: Start down-sweep measurement.
SPOT
key
: Start spot measurement.
UP
key
: Start up-sweep measurement.
STOP
key
: Stop measurement.
Example of screen after sweep measurement
Example of screen after spot measurement
Most operations, including saving and restoring settings or data and initialization, cannot be
performed during measurement. To perform such operations, stop the measurement.
■ Trigger source
If
[Measure]
− [TRIGGER SOURCE]
is set to other than
PANEL
, measurement cannot be
controlled with the
MEASURE
keys on the front panel (key operation is ignored).
■ Measurement repeat control
The
REPEAT
key sets the automatic repeating of measurement. When the
REPEAT
lamp is
lit, both sweep and spot measurement will repeat. When the
REPEAT
lamp is not lit, this
instrument enters the wait state when measurement finishes. Pressing the
REPEAT
key
toggles the
REPEAT
lamp above the key on and off.
REPEAT lamp
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