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2-18
Making Measurements
Measurements
Pulse Measurements
(Available if Option
006, Spectrum
Analyzer, is Fitted)
If you have option 006 (spectrum analyzer) installed, you can make measurements
on the lower portion of the pulse. These measurements can be accessed from the
Power Ramp screens.
• The main measurements, Pulse On/Off Rise and Pulse On/Off Fall are displayed
at the top of the screen (1), see Figure 2-9 on page 2-18
• The sensitivity of the Agilent 8922M/S receiver can be varied (2) allowing you
to verify whether the signal still falls within the boundaries of the GSM power
mask.
Figure 2-9 Pulse Measurements
The Agilent 8922M/S provides three pulse measurements which can be selected
using View (3). These are:
• Pulse - pulse on/off ratio measures the ratio of the average transmitter- power
(pulse on) to a specified time-position when power is reduced (pulse off). The
default settings are 28µs before bit 0 and 28µS after bit 147.
• Puls Rise - this screen displays the signal during the initial rise of the pulse.
• Puls Fall - this screen displays the signal during the final fall of the pulse.
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