User Manual

In–Service Calibration – continued
SC4812ET BTS Optimization/ATP — CDMA LMF
Jan 2002
G-14
TEST SETS Optimization/ATP SET UP
Figure G-10: IS–95 A/B/C Optimization/ATP Test Setup Using RFDS
RF
INPUT 50
OHMS
RF
OUT 50
OHMS
Agilent E4432B (Top) and E4406A (Bottom)
FREQ MONITOR
19.6608 MHZ CLOCK
REFERENCE FROM
CSM BOARD
SYNC MONITOR
EVEN SEC TICK
PULSE REFERENCE
FROM CSM BOARD
BNC
“T”
TO TRIGGER IN
ON REAR OF
TRANSMITTER
TESTER
TO PATTERN TRIG IN
ON REAR OF SIGNAL
GENERATOR
TO 10 MHZ IN
(EXT REF IN)
ON REAR OF
TRANSMITTER
TESTER
INPUT 50
OHM
RF OUT
50 OHM
Advantest R3267 (Top) and R3562 (Bottom)
FREQ MONITOR
19.6608 MHZ CLOCK
REFERENCE FROM
CSM BOARD
SYNC MONITOR
EVEN SEC TICK
PULSE REFERENCE
FROM CSM BOARD
BNC
“T”
NOTE:
SYNTHE REF IN ON REAR OF SIGNAL GENERATOR IS
CONNECTED TO 10 MHZ OUT ON REAR OF SPECTRUM
ANALYZER
TO EXT TRIG
ON REAR OF
SPECTRUM
ANALYZER
TX
TEST
CABLE
RX ANTENNA
PORT
TX ANTENNA
PORT
RS232–GPIB
INTERFACE BOX
INTERNAL PCMCIA
ETHERNET CARD
GPIB
CABLE
UNIVERSAL TWISTED
PAIR (UTP) CABLE
(RJ45 CONNECTORS)
RS232 NULL
MODEM
CABLE
S MODE
DATA FORMAT
BAUD RATE
GPIB ADRS G MODE
ON
BTS
TX
CABLE
CDMA
LMF
DIP SWITCH SETTINGS
10BASET/
10BASE2
CONVERTER
LAN
B
LAN
A
RX
TEST
CABLE
COMMUNICATIONS
TEST SET
IEEE 488
GPIB BUS
RF
INPUT
50
OHMS
RF OUT 50
OHMS
NOTE: IF BTS RX/TX SIGNALS ARE
DUPLEXED: BOTH THE TX AND RX TEST
CABLES CONNECT TO THE DUPLEXED
ANTENNA GROUP.
ANTENNA
RFDS
DUPLEXER
DIRECTIONAL
COUPLER
EVEN
SECOND/
SYNC IN
EXT
REF
IN
FREQ
MONITOR
SYNC
MONITOR
CSM
REF. FW00759
RX
CABLE
FWD
COUPLED
PORT
SIGNAL
GENERATOR
EXT TRIG IN
MOD TIME BASE IN
(EXT REF IN)
19.6608
MHZ
CLOCK
20 DB PAD
(FOR 1.7/1.9 GHZ)
10 DB PAD
(FOR 800 MHZ)
BNC
“T”
G