Power Amplifier Drawer Functional Description - Hitachi EC702MP-BB3 Operation Manual

4.6.3. Power Amplifier Drawer Functional Description

PA702MP-BB3
USB Comm
Alarms Led
FAN 1
Driver
FAN 2
FAN 3
+5VCC
Power Supplies Comm.
+5VCC
Power Supplies Comm.
USB Comm
Alarms Led
Control
Fan Control
Drive Control
PA Control
PA 2
Doherty
PA 1
Doherty
DC Power Line
50VDC
1600 Watts MAX
DC Power Line Output 42
~50VDC
Power Supply 1
+5VCC
Mean-Well RCP1600-48
Communication.
DC Power Line Output 42
~50VDC
Power Supply 2
+5VCC
(OPTIONAL)
Mean-Well RCP1600-48
Communication.
Control Module / Exciter Interface
Communication – Drawer Address
+5Vcc
Power Supplies Interface
Communication
FWD Power
REF Power
Power Amplifiers
AC Input
AC Input
E-Compact MP-BB3 Series
470 ~ 608MHz
GAIN = +52dB ±4dB
POUT: 267 W @ ATSC3.0
POUT: 321 W @ ATSC1.0
Control Module / Exciter
Comm. – Drawer Address
+5Vcc
Power Supplies Comm.
RF OUT
54.2 to 55.0 dBm
Reflectometer
RF SAMPLE
0dBm (-54dB)
0.0 ~ 8.0 dBm
Comm
RF IN
AC Line
74 | 108