User's Manual

Table Of Contents
Transmit & Receive Antenna VSWR68P09255A61-4
Aug 2002
1X SC 4812T BTS Optimization/ATP Software Release 2.16.1.x
FIELD TRIAL
G-5
Figure G-2: Manual VSWR Test Setup Using HP8921 Test Set (800 MHz)
FWD (INCIDENT)
PORT 50-OHM
TERMINATED LOAD
RVS
(REFLECTED)
PORT
FEED LINE TO
ANTENNA
UNDER TEST
RF
SHORT
30 DB
DIRECTIONAL
COUPLER
OUTPUT
PORT
INPUT
PORT
FW00343
Equipment Setup - Advantest Test Set
Follow the steps in Table G-2 to set up test equipment required to
measure and calculate the VSWR for each antenna.
Table G-2: VSWR Measurement Procedure - Advantest Test Set
Step Action ADVANTEST
1 If you have not already done so, refer to the procedure in Table 3-2 on page 3-6 to set up test
equipment and interface the LMF computer to the BTS.
2 For manual VSWR testing using external directional coupler, refer to Figure G-3.
- Connect the communications test set RF OUT port to the input port of the directional coupler.
- Connect the INPUT port of the communication test set to the forward port on the directional
coupler. Terminate the forward port with a 50 Ohm load.
- Connect the RF short to the directional coupler output port.
. . . continued on next page
G