User Manual
Calibration and Test Equipment68P09255A57-2
Aug 2002
SC4812ET Optimization/ATP Manual Software Release R16.1.x.x
PRELIMINARY
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Calibration and Test Equipment
Connecting Test Equipment to the BTS
The following test equipment is required to perform calibration and ATP
tests:
LMF
Communications system analyzer model supported by the LMF
Power meter model supported by the LMF (required when using the
HP 8921A/600 and Advantest R3465 analyzers)
Non-radiating transmit line termination load
Directional coupler and in-line attenuator
RF cables and adapters
Refer to Table 3-28 and Table 3-29 for an overview of connections for
test equipment currently supported by the LMF. In addition, see the
following figures:
Figure 3-8 and Figure 3-9 show cable calibration test setup.
Figure 3-10, Figure 3-11 and Figure 3-13 show the test set
connections for TX calibration.
Figure 3-13 and Figure 3-14 show test set connections for IS-95 A/B
optimization/ATP tests
Figure 3-15 through Figure 3-18 shows test set connections for
IS-95 A/B/C optimization/ATP tests.
Figure 3-19 and Figure 3-20 show typical TX and RX ATP setup with
a directional coupler (shown with and without RFDS).
Test Equipment GPIB Address Settings
All test equipment is controlled by the LMF through an IEEE-488/GPIB
bus. To communicate on the bus, each piece of test equipment must have
a GPIB address set which the LMF will recognize. The standard address
settings used by the LMF for the various types of test equipment items
are as follows:
Signal generator address: 1
Power meter address: 13
Communications system analyzer: 18
Using the procedures included in the Setting GPIB Addresses section of
Appendix
D-1, verify and, if necessary, change the GPIB address of each
piece of test equipment used to match the above
.
Supported Test Sets
CAUTION
To prevent damage to the test equipment, all TX test connections
must be through the directional coupler and in-line attenuator as
shown in the test setup illustrations.
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