User's Manual

BTS Equipment Identification
68P09258A31–A
Oct 2003
1X SCt 4812T BTS Optimization/ATP
1-28
Linear Power Amplifier Shelf
Figure 1-11: +27 V SC 4812T PA Configuration – 4 Carrier with 2:1 Combiners
PA1A
PA1B
PA1C
PA1D
PA3A
PA3B
PA3C
PA3D
PA2A
PA2B
PA2C
PA2D
PA4A
PA4B
PA4C
PA4D
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
c1
and f
c2
being
1.25 MHz apart (center–to–center). “Non–adjacent” is
defined as f
c1
and f
c2
being >2.50 MHz apart
(center–to–center).
123
456
4–CARRIER CONFIGURATION
CARRIER
1
3
CARRIER
2
4
123
456
FW00296
1