Using E9300 E-Series Power Sensors 5
Keysight N1911A/1912A User’s Guide 199
Procedure
Set the range as follows:
1 Press
. On dual channel meters, select the required channel.
2 Use the and keys to select the Range: setting field.
3 Press to display the Range pop-up.
4 Use the and keys to select the required setting.
5 Press to complete the entry.
Measurement considerations
While autoranging is a good starting point, it is not ideal for all measurements.
Signal conditions such as crest factor or duty cycle may cause the power meter to
select a range which is not the optimum configuration for your specific
measurement needs. Signals with average power levels close to the range switch
point require you to consider your needs for measurement accuracy and speed.
For example, using an E9300/1/4A sensor, where the range switch point is –10 ±
0.5 dBm in a pulsed signal configured as follows:
The calculated average power is –12 dBm.
Characteristic Value
Peak Amplitude –6 dBm
Duty Cycle 25%
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