Product Card

T est Equipment Set Up Chapter 3: LMF Oper ation
Figure 3 -25 TX Calibr ation T est Setup – Agilent E7495A
ti-cdma-06172.eps
TEST SETS TRANSMIT (TX) SET UP
CDMA
LMF
50 Ω
TERM.
TX TEST
CABLE
30 DB
DIRECTIONAL
COUPLER
100-W ATT (MIN.)
NON-RADIA TING
RF LOAD
POWER
SENSOR
1O DB MINIMUM
IN-LINE ATTENUATOR
ETHERNET HUB
UNSHIELDED TWISTED PAIR (UTP)
CABLE (RJ45 CONNECTORS)
AGILENT E7495A
PORT 2
RF IN
SYNC MONITOR
EVEN SEC TICK
PULSE REFERENCE
FROM SSI TREF OUT
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
INTERNAL OR PCMCIA ETHERNET
NETWORK INTERFACE CARD (NIC)
OR
TX TEST
CABLE
TX TEST
CABLE
NOTES:
1. WHEN USING THE E7495A, TX TESTS
REQUIRE A MINIMUM OF 30 DB
ATTENUATION PLUS THE CABLE
LOSSES.
2. IF BTS IS EQUIPPED WITH DRDCS
(DUPLEXED RX/TX SIGNALS), CONNECT
THE TX TEST CABLE TO THE DRDC
ANTENNA CONNECTOR.
UBS
CRMS/LMT
CUSTOMER
ENET
FREF
OUT
TREF
OUT
SSI
RX DIV TX/RX M
(DUPLEXED TX
AND RX)
IDRF
3 -38 68P09283A63 -5
FOA A UG 2007