Hitachi E-Compact Medium Power Series - Block Diagram

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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
5. Block Diagram
Block Diagram EC702MP / EC704MP
DOUBLE EXCITER
GND
AC INPUT
AC in
AC in
AC in
AC in
AC in
Backup ATSC Exciter
(NOT INCLUDED)
Ethernet Switch
(OPTIONAL)
Main CM8001 Control Module
Backup CM8001 Control Module
(OPTIONAL)
PA702MP / PA704MP
Power Amplifier
MOD 40090A – Flyback 15/8V 25W
MOD 40032 – RF Coaxial Relay
(OPTIONAL)
Ethernet comm.
Ethernet comm.
Ethernet comm.
Comm. I/O
Comm. I/O
Comm. I/O
AC Supply
UHF
UHF
UHF
UHF
PA710MP – Power Amplifier
MOD 40243
EIA 1-5/8"
Low Pass Filter
MOD 40215 RF Sample EIA 1 5/8"
ANTENNA
RF OUT
RF IN
RF OUT
RF OUT
TS IN
TS IN
RF SAMPLE
B. FILTER
Exc. Backup
RF Spliter 1:2
(OPTIONAL)
Mask Filter
(NOT INCLUDED)
RF Input switch
Main ATSC Exciter
(NOT INCLUDED)
AC in
Ethernet comm.
B. FILTER
Exc. Main
B. FILTER
B. FILTER
UHF
RF OUT
RF OUT
RF IN
RF IN
UHF
UHF
AC in
AC Mains Protection Unit
10dB
Attenuator
RF Sample Power Amplifier (+10dBm)
RF Sample Power Amplifier (+10dBm)
10dB
Attenuator
(NOT INCLUDED)
(NOT INCLUDED)