User's Manual

Frame Module Location & Identification – continued

SC 4812T CDMA BTS Optimization/ATP

May 2000

1-24

LPA1A

LPA1B

LPA1C

LPA1D

LPA3A

LPA3B

LPA3C

LPA3D

LPA2A

LPA2B

LPA2C

LPA2D

LPA4A

LPA4B

LPA4C

LPA4D

FAN

MODULE

(TYPICAL)

FILTERS /

COMBINERS

(2 TO 1 COMBINER

SHOWN)

Note

No adjacent carriers may exist within the same TX filter

combiner. “Adjacent” is defined as f

and f

being

1.25 MHz apart (center–to–center). “Non–adjacent” is

defined as f

and f

being >2.50 MHz apart

(center–to–center).

123

456

4–CARRIER CONFIGURATION

CARRIER

123

456

FW00296

Figure 1-11: +27 V SC 4812T LPA Configuration – 4 Carrier with 2:1 Combiners