Agilent Technologies 8560E User Manual page 119

Set up the spectrum analyzer to display the signal before going to the
adjacent channel power softkeys.
1. Press on the spectrum analyzer to start the measurement
PRESET
from a defined preset state.
2. Press
AMPLITUDE
transmitter power that is being input to the spectrum analyzer. (You
may need to use an external attenuator.)
3. Press
FREQUENCY
frequency of the transmission channel that you want to measure.
Now the signal is displayed. Set up the ACP measurement before
executing it.
1. Press
MEAS/USER
setup functions.
2. Press and
METHODS
measurement method. Press
3. Press
ACCELERAT
selected. The normal setting is required to measure to the standard.
You can use faster measurement methods, but the results would not
agree completely with the standards. Press
4. Press
SPACING/BANDWDTH
spacing to 50 kHz. ( Table 2-5 on page 118 shows the settings for
some other formats.)
5. Press
CHANNEL BANDWDTH
6. Press
# ALT CHANNELS
measurement results for the adjacent channels and for the first
alternate channel pair. Press
7. Press the
BURST/WEIGHTNG
the period to 20 ms. Press
ms.
WEIGHTNG √COS OFF
8. Press
root-raised-cosine weighting function. Press
9. Press
ACPSTATE DFL CURR
selected. This allows the spectrum analyzer to default to the
parameters considered best for the measurement. In this example,
and any in the table, the defaults are compatible with the standard.
Press
PREV MENU
Chapter 2
Example 9: Adjacent Channel Power Measurement
and set the reference level to the value of the
and set the center frequency to the center
, and
ACP MENU SETUP ACP
to select the two bandwidth
2BW METHOD
PREV MENU
. Check that the
ACCELERAT NORMAL
and
CHANNEL SPACING
and set the bandwidth to 21 kHz.
and set it to 1. This will give you
PREV MENU
softkey. Press
BURST WIDTH
so that off is selected. This turns off the
so that the default state (DFL) is
.
Making Measurements
to access the ACP
.
function is
.
PREV MENU
, and set the
.
and set
BURST PERIOD
and set the width to 6.43
.
PREV MENU
119