Hitachi E-Compact Medium Power Series, Operation Manual, Page: 53 / 106

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E-Compact Medium Power
H
G
F
E
D
C
B
A
8 7 6 5 4 3 2 1
H
G
F
E
D
C
B
A
8 7 6 5 4 3 2 1
Block Diagram
PA704MP
Power Supply 1
Power Supply 2
PA 1
PA 2
PA 3
PA 4
Alarms Led
Driver
FAN 1
FAN 2
FAN 3
Control
Fan Control
Alarms Led
PA Control
REF Power
FWD Power
Drive Control
Control Module / Exciter Interface
Communication – Drawer Address
Power Supplies Interface
Communication
USB Comm
+5Vcc
Power Supplies Comm.
USB Comm
DC Power Line
42 ~50VDC
2400 Watts MAX
RF OUT
56.00 to 56.53 dBm
Control Module / Exciter
Comm. – Drawer Address
Power Amplifiers
470 ~ 806MHz
GAIN = +52dB ±4dB
POUT: 400 W @ ATSC3.0
POUT: 450 W @ ATSC1.0
FW
D
R
EF
SA
M
P
LE
+5Vcc
C
on
tro
l M
od
ul
e
/
Ex
ci
te
r C
om
m
. –
D
ra
w
er
A
dd
re
ss
Comm
RF SAMPLE
+10dBm (-46dB)
RF IN
0.0 ~ 8.0 dBm
AC Line
1
AC Input
AC Input
DC Power Line Output 42
~50VDC
DC Power Line Output 42
~50VDC
Power Supplies Comm.
Power Supplies Comm.
Communication.
Communication.
+5VCC
+5VCC
+5VCC
+5VCC
Reflectometer
Peak
Carrier
Peak
Carrier
PA704MP
1
NOTES:
1 – See PA704MP
Channel Range
Table