Product Card

1X UBS Macro B T S Optimization/A TP T est Equipment Set Up
Figure 3 -29 A TP T est Setup – Agilent E7495A or E7495B
ti-cdma-06175.eps
TEST SET
ATP TEST SET UP
UNSHIELDED TWISTED PAIR (UTP)
CABLE (RJ45 CONNECTORS)
CDMA
LMF
INTERNAL
ETHERNET
CARD
RF INPUT 50 Ω
OR INPUT 50 Ω
COMMUNICATIONS
SYSTEM ANALYZER
50 Ω
TERM.
TX/RX
TEST
30 DB
DIRECTIONAL
COUPLER
100-W ATT (MIN.)
NON-RADIA TING
RF LOAD
TX TEST
TX TEST: 1O DB MINIMUM
IN-LINE ATTENUATOR
ETHERNET HUB
RX TEST
TEST
CABLES
NOTE: USE THE SAME
CABLE SET FOR TX AND RX
ATP. SWITCH THE CABLES
DURING ALL ATP TESTS AS
SHOWN.
PORT 2
RF IN
PORT 1
RF OUT
AGILENT E7495A or E7495B
PORT 1
RF OUT
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 PCMCIA ETHERNET
NETWORK INTERFACE CARD (NIC)
POWER METER
(SEE NOTE FOR RX TEST
ATTENUATION SELECTION)
NOTE: FOR RX TESTING, TOTAL RF PATH
ATTENUATION (CABLES+COUPLERS+ATTENUATORS)
MUST BE WITHIN THE FOLLOWING VALUES
SPECIFIED FOR EACH TYPE OF TEST SET:
E7495A: 25 TO 32 dB
E7495B: 10 TO 100 dB
2. WHEN USING THE E7495A, TX TESTS REQUIRE A
MINIMUM OF 30 DB ATTENUATION PLUS THE CABLE
LOSSES.
3. USE THE SAME CABLE SET FOR TX AND RX ATP.
SWITCH THE CABLES DURING ALL ATP TESTS AS
SHOWN.
4. IF BTS IS EQUIPPED WITH DUPLEXED RX/TX
SIGNALS, CONNECT THE TX TEST CABLE TO THE
DUPLEXED ANTENNA CONNECTOR.
EVEN SECOND
SYNC IN
UBS
RX DIV TX/RX M
(DUPLEXED TX
AND RX)
IDRF
CRMS/LMT
CUSTOMER
ENET
FREF
OUT
TREF
OUT
SSI
68P09283A63 -5 3 -43
FOA A UG 2007