User's Manual

DANIELS
ELECTRONICS LTD.
TM
5-2 25W AM Power Amplifier Instruction Manual IM71-AMP3A130-25
5.2 RF Power Amplifier Block Diagram
POWER AMPLIFIER BOARD
RF INPUT
SAMPLE
REAR CONNECTOR
LOGIC CONTROLLER
Driver
PWR SWITCH
CONTROL BOARD
+28VDC
I/P ATT.
RF POWER
OVER TEMP
OVERLOAD
HIGH VSWR
LED ARRAY
RF IN
PWR Supply
FRONT PANEL
PTT
REMOTE POWER
O/P FAIL
RF OUT
DIR. COUPLER
POWER DETECTOR
OUTPUT MATCHING
NETWORK
INPUT MATCHING
NETWORK
LOW PASS PILTER
OFF
ON
REMOTE VSWR
COOLING FAN
THERMOSTAT
AMP3A130M2