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Chapter 3, Operating Overview
An Alternative Test-System-to-Base-Station Timebase Configuration
Figure 25
114.3 MHz IF IN
I BASEBAND OUT
AUX
CW
RF IN
IQ
RF OUT
OPT ION AL
SERIAL PORT
CONTROL I/OSYNTH REF IN10 MHz OUT
CDMA CLOCK O UTPUTS
DSP IN
MOD OUT
10 MHz
REF OUT
Q BASEBAND OUT
PWRREF
UNLOCK
DIAGNOSTIC
MONITOR
1.2288 MHz
OUT
19.6608 MHz
OUT
16 X CHIP
RF IN /OUT
TO
RF IN/OUT
MAX.PWR
H
83205A
CDMA CELLULAR ADAPTER
CDMA
TIMEBASE
EVEN SEC-
OND/
SYNC IN
DATA
IN
TRIGG ER/
QUALIFIE R
IN
SYNTH REF IN
EVEN SECOND/
SYNC IN
PO WER
F ROM DU PLEX OUT T O ANT I N
83236B
PCS INTERFACE
H
RF IN/OUT RF OUT only
TEST SET
1.8-2.0 GHz UUT
ONOFF
10 MHz REF OUTPUT
(A BNC “tee” is required
to make these connections)
REF IN
19.6608 MHz Clock
(or other reference)
CDMA Base Station
Even-Second
Clock
HP - IB
CDMA
TIMEBASE IN