4 Audio Analyzer Measurement Functions
238 Keysight U8903B User’s Guide
Measurement Configuration (Analog Analyzer)
The measurement configuration for analog analyzer is displayed as shown in Figure 4-56.
Figure 4-56 Analog Analyzer > Meas Config menu page 1
Table 4-27 Analog Analyzer > Meas Config menu description
Menu Description
Sample Size
Press the Sample Size softkey to select the number of samples to be acquired for the measurement.
–2048
–4096
–8192
– 16384
– 32768
– 65536
– 131072
– 262144
– 524288
–1M
–2M
Mov Average
Press the Mov Average softkey to set the number of measurement readings to be used for the moving average calculation.
This is useful for noisy signal. Applying the average points will smooth out the fluctuations introduced by the noise that
caused the inconsistencies in the measurement reading.
Sync Average
Press the Sync Average softkey to set the number of points for the synchronous averaging in the analyzer meter mode.
Synchronous averaging reduces noise levels by averaging the acquired data.
– 1 to 64
Src Channel
Press the Src Channel to select the internal generator channel as the reference channel used in the following situations.
– For the result calculation in unit dBg.
– For the frequencies searching algorithm when the frequency lock is set to Gen Lock.
Trigger
Press the Trigger softkey to configure the trigger settings. Refer to “Trigger (Analog, Digital, and Bluetooth
Analyzer)” on page 244 for more information.
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