User`s guide
Table Of Contents
- Overview
- Getting Started
- System Setting
- Making Measurements
- Measuring Multiple Signals
- Measuring a Low-Level Signal
- Improving Frequency Resolution and Accuracy
- Making Distortion Measurements
- One-button Power Measurement
- Making a Stimulus Response Transmission Measurement
- Measuring Stop Band Attenuation of a Low-pass Filter
- Making a Reflection Calibration Measurement
- Measuring Return Loss Using the Reflection Calibration Routine
- Making an Average Power Measurement
- Key Reference
- SCPI Command Reference
- Error Messages
- Menu Map
Key Reference 5
N9340A User’s Guide 85
• Zero
Make a Zero operation of the power sensor.
• Calibration
Make a Calibration operation of the power sen-
sor.
The U2000 Series USB Power Sensors have their
sensor calibration tables stored in non- volatile
memory which means that the reference
calibration factor is automatically loaded during
the power- on sequence.
• Zero+Cal
A Zero operation of the power sensor will hap-
pen first, followed by a Calibration operation.
Meas Disp
Access the Meas Disp submenu for defining the
display range and resolution while in Power Meter
mode.
Key access: [MODE] > {Power Meter} > {Meas Disp}
• Disp Range
Access the associated Disp Range submenu.
• Top
Sets the top value of the power meter’s display
range. Range from (Bottom + 0.01) to 200 dBm.
The default value is 20 dBm.
• Bottom
Sets the bottom value of the power meter’s
display range. Range from - 200 to (Top - 0.01)
dBm. The default value is - 70 dBm.
•Resolution
Accesses the Resolution submenu.
When the measurement suffix is W or %, this
parameter represents the number of significant
digits. When the measurement suffix is dB or
dBm, 1 through 4 represents 1, 0.1, 0.01, and
0.001 dB respectively.
The default value is 3.