User Manual

Test Equipment Set Up – continued
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-65
DRAFT
Figure 3-22: Typical TX ATP Setup with Directional Coupler (shown with and without RFDS)
30 DB
DIRECTIONAL
COUPLER
40W NON–RADIATING
RF LOAD
OUTPUT
PORT
RVS (REFLECTED)
PORT 50–OHM
TERMINATION
FWD
(INCIDENT)
PORT
BTS INPUT
PORT
TX TEST
CABLE
Connect TX test cable between
the directional coupler input port
and the appropriate TX antenna
directional coupler connector.
TX ANTENNA DIRECTIONAL COUPLERS
RFDS RX (RFM TX) COUPLER
OUTPUTS TO RFDS FWD(BTS)
ASU2 (SHADED) CONNECTORS
RX
(RFM TX)
TX
(RFM RX)
COBRA RFDS Detail
1
2
3
RF FEED LINE TO
DIRECTIONAL
COUPLER
REMOVED
Communica
tions test
set
IN
Appropriate test sets and the port
names for all model test sets are
described in Table 3-22.
TX
TEST
CABLE
TX RF FROM BTS FRAME
TEST
DIRECTIONAL
COUPLER
NOTE:
THIS SETUP APPLIES TO BOTH
STARTER AND EXPANSION FRAMES.
ti-CDMA-WP-00121-v01-ildoc-ftw
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