RF Power Amplifiers
Andrew Corporation – Power Amplifier Group
Propriety – Use pursuant to Company Instruction
4 of 8
Control System:
A microprocessor controller is used to control the amplifier alarm system, control
environmental compensation of the amplifier, and to maintain a linearization solution for
the pre-distortion circuit and the feed-forward circuit.
Figure 1 MSA1900-135 MCPA Front Panel
Figure 2 MSA1900-135 Rear Panel
Alarm
LED
Warning
LED
Active
LED
Tx Enable
Disable Switch
RS232 Debug
Port
Fan Tray
Interface
RF Output
Connector
Type N
DC/Control/RF input
Connector
24W7 Combo D-Sub
Captive Screw
Mounting
Handles
Fan Tray
Asdsembly
