Agilent Technologies 8560E User Manual page 250

Key Function Descriptions
Key Descriptions
ANALOG METHOD Continuous power
PEAK METHOD Peak power integration
2BW METHOD Two bandwidth, transient and
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integration versus frequency
measurement Selects the analog
method which measures the power in
the main and adjacent channels
assuming a continuous carrier. The rms
power of that carrier is detected using
power detection. This is done by using a
video bandwidth that is much wider
than the resolution bandwidth. Then
the power, not the log of the power, of
each measurement cell is added. This
method measures analog FM systems.
measurement for TDMA This
method is similar to the analog
measurement used by the analog
method except that positive peak
detection is used, allowing the
measurement of burst carriers. For this
method, the sweep time is set to 600
times the burst period. There are 600
measurement cells per sweep, so this
sets one burst RF cycle per
measurement cell. This method
supports 1993 MKK standard for PDC
systems and the 1993 RCR standards
for PHP systems.
random peak measurement for
TDMA This method is meant for use
with burst signals. The sweep time is
set to 600 times the burst period. Two
sweeps are made, one in each of two
resolution bandwidths and positive
peak detection is used. This method
supports 1993 RCR standard for PDC
systems.
The algorithm used for this method
assumes that the power in the adjacent
channels consists of two types of power:
impulsive power (transients due to
enabling and disabling the carrier
power) and random power (noise-like
signals due to the intermodulation of
noise-like modulation in the main
channel).
Chapter 4