SA (Spectrum Analyzer) Mode 101
GSM 850-Ch 251-Up with one Offset.
Red Freqs (Mhz) added to illustrate Offset and Integ BW.
Data in the ACPR graphical chart is always presented in dBm for the carrier, and
dBc (dB below the carrier) for the offsets. This can NOT be changed. Use the
Meas Type setting (next page) to change how the data is presented in the table
below the graph.
How to select ACPR
Press Measure__1
Then Channel Measurements
Then Adjacent Channel Power
When ACPR is selected, the following settings are maintained from a previous
measurement: Center Frequency, Preamp ON|OFF, and RF Attenuation.
Frequency Range/Channel
When a Radio Standard is selected, the appropriate center frequency or channel
and span is set automatically. The frequency or channel number can then be
changed from the Freq/Dist menu. Learn how to select a Radio Standard and
channels on page 72.
The frequency range of an ACPR measurement can also be entered using
arbitrary frequencies.
When a Radio Std is NOT selected, the center frequency of a previous
measurement is maintained when ACPR is selected.
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