89
Set Measurement Conditions for Sweep Points
4.4.2
Setting the Measurement Signal Level
The value of the test signal level may change based on the sample tested.
CAUTION
Do not switch between P, V, and I while the test sample is still connected to the
measurement terminals as this may damage the test sample.
The following are the three types of measurement signal levels that can be applied to the object
under test with this instrument.
Power (P) mode
Sets with the power (dBm) at the DUT port 50
Ω
terminal.
Voltage (V) mode
Sets with the voltage (V) when the DUT port is open.
(value of dBm converted into V)
Current (I) mode
Sets with current (A) when the DUT port is in a short circuit state.
(value of dBm converted into I)
• The setting resolution of the signal level is always 0.1 dB regardless of setting signal mode.
When the level is set in the voltage or current mode, input values are automatically converted to the
setting with a resolution of 0.1 dB.
•
The measurement accuracy varies according to the measurement signal level.
See “Measurement range” (p. 274).
•
For details on calculation, refer to “Conversion” (p. 39).
•
The measurement signal mode is common for all points.
• When the sweep parameter is POWER/V/I, the measurement signal mode cannot be changed.
1
2
5
1
Press
[P/V/I]
.
2
Select the signal setting mode.
[POWER]
Sets with power (dBm).
[V]
Sets with voltage (V).
[I]
Sets with current (A).
4
Analyzer Function
Содержание IM7580
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