User's Manual

Test Equipment Set-up68P09258A31–A
Oct 2003
1X SCt 4812T BTS Optimization/ATP
3-67
Figure 3-18: TX Calibration Test Setup – Agilent E7495A (IS–95A/B and CDMA2000 1X)
TEST SETS TRANSMIT (TX) SET UP
INTERNAL PCMCIA
ETHERNET CARD
BTS
CDMA
LMF
10BASET/
10BASE2
CONVERTER
LAN
B
LAN
A
RX
ANTENNA
CONNECTOR
SYNC
MONITOR
CSM
TX
ANTENNA
CONNECTOR
50 Ω
TERM
.
TX TEST
CABLE
DIRECTIONAL
COUPLER
(30 DB)
100–WATT (MIN.)
NON–RADIATING
RF LOAD
TX TEST
CABLE
NOTE: IF BTS IS EQUIPPED
WITH DUPLEXED RX/TX
SIGNALS, CONNECT THE TX
TEST CABLE TO THE
DUPLEXED ANTENNA
CONNECTOR.
POWER
SENSOR
2O DB IN–LINE
ATTENUATOR
ETHERNET HUB
UNIVERSAL TWISTED PAIR (UTP)
CABLE (RJ45 CONNECTORS)
Agilent E7495A
PORT 1
RF OUT
PORT 2
RF IN
SYNC MONITOR
EVEN SEC TICK
PULSE REFERENCE
FROM CSM BOARD
Use only
Agilent supplied
power adapter
GPS
GPIO
Serial 1
Serial 2
Power REF
50 MHz
Sensor
Ext Ref
In
Even Second
Sync In
Antenna
Port 1
RF Out / SWR
Port 2
RF In
INTERNAL
ETHERNET
CARD
COMMUNICATIONS
SYSTEM ANALYZER
POWER METER
PORT 2
RF IN
PORT 1
RF OUT
3