Keysight U8903B, User Manual

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Audio Analyzer Measurement Functions 4
Keysight U8903B User’s Guide 189
Table 4-7 Analog/Digital/ Bluetooth Analyzer > Functions > AC Voltage menu description
Menu Description
Unit
Press the Unit softkey to select the measurement unit.
Analog Analyzer
– dBg
– dBm
– dBr
– dBu
– dBV
– W
– V
–
Δ
V
– dBSPL
– x
Digital and
Bluetooth Analyzer
– FFS
– dBFS
– %FS
– V
– dBu
– dBV
– dBr
– x
– LSB
– Hex
– Dec
– dBSPL
Format
Press the Format softkey to select the format of the returned measurement reading.
– Off
Selecting Off will return the measurement reading without any formatting (raw value).
– Logarithmic
Selecting Logarithmic will return the measurement result by using the following formula:
The result is returned in unit dBr.
– Linear
Selecting Linear will return the measurement result by dividing the measured level by the reference level. The result is
returned in unit x.
– Delta
Selecting Delta will return the meausrement result by deducting the reference level from the measured level. The result
is returned in unit Δ V. This is only available for the analog analyzer.
Set to 0dB
This is only available for analog analyzer.
Press the
Set to 0dB softkey to store the measured level as the reference level, and set the measurement reading format to
Logarithmic.
Set result as ref. from Press the Set result as ref. from softkey to store the measurement result from the selected channel as the reference level.
Ref. Level Press the Ref. Level softkey to set the reference level value. There is only one reference level for each channel.
20 10 Measured rms voltage
Reference level
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