Operation Manual
Section 1 - Introduction (UHF Digital TV Transmitters)
E-Compact - Air Cooling - ATSC - High Power
Manual Rev. 0.0 - April 2016
1-20
1.5
Technical Specification - E-Compact TV ATSC Transmitters
GENERAL FEATURES
IP Input;
Modular power amplifiers;
High efficiency with Doherty Technology;
Air Cooling;
•
Automatic Fan Speed Control: low noise levels, energy saving and increased lifespan;
•
Power Supply with Power Factor Correction
≥
0.9;
•
Measurements and Alarms through front display and keyboard or via web;
•
VSWR and Overdrive protection via hardware with power reduction;
•
Overheating protection via software for the internal modules;
•
Automatic Digital Pre-correction (Linear and No-Linear);
•
Telemetry: WEB Server/SNMP, for local or remote management;
•
AGING transistor compensation via exciter front panel;
•
Automatic GM compensation with temperature;
•
Gain and Phase adjustments per drawer;
•
SFN Operation;
•
Isolated combiner, enabling Hot Swap
4
INCLUDED:
General Control Software, WEB Server and SNMP;
USB communication Drivers;
PT-BR, US-EN or ESP manuals (digital formats).
OPTIONALS:
5
Telemetry through GPRS interface;
Exciter Redundancy;
Measurement Software;
Time base by GPS, inside the exciter;
Terrestrial reception for UHF retransmission (connector N female);
Satellite reception (DVB-S/S2) for UHF retransmission (connector F female);
Conditional Access Module with up to four simultaneous services, and display of up to
eight services;
6
Channel filter;
Low-pass filter and after filter RF sample.
TECHNICAL TABLE (typical values)
Remarks / Notes
Note: All specifications are subject to change without notice.
1
Except EC712HP.
2
Ethernet is a registered trademark of
Xerox Corporation
3
Except EC70 1H P.
4
The
PA
mo dules
can
be
remove d
/
inserted with the transmitter in
operation, although the P A being
removed / inserted m ust be switched
off.
5
Contact Hitachi Kokusai Linear for
op t ionals availab il i ty in each
standard.
6
DVB-CA Standard (conditional
access)
- DVB Common-Interface (DVB-CI)
Module with PCMCIA CAM slot
(Irdeto, Conax descramblers) ?
SMARTCARD and CAM not
included.
6
Altitudes above 2,500m under
consultation.
a.s.l: above sea level.
8
Except for model EC701HP, nominal
power of 580W, in which the minimum
power is 50W.
9
May change depending on MER
value, channel and output power. For
details, consult Hitachi Kokusai
Linear.
10
B.F.: Before Filter / A.F.: After Filter
11
Underconsultation.
Communication Interfaces
USB / Ethernet
2
/ SNMP
Frequency Stability
±1Hz (internal GPS)
Oscillator
PLL synthesized
Power Factor
better than 0.9
Operation Altitude
up to 2,500m a.s.l
7
Environment temperature range
from 0°C to +45°C
Environmental Humidity range
from 0 to 95% (non-condensing)
BTS, TS or IP INPUTS
Formats
DVB-ASI 188 / 204 bytes
Ethernet
2
(IEEE 802.3u)
10Base-T/100Base-TX
Connectors
BNC-Female
RJ45
Impedance
75
OUTPUT
Operation Frequency
470MHz to 806MHz (UHF)
Bandwidth
6 / 7 / 8 MHz
Power
up to 9.5kWrms before filter
Minimum Operation Power
(after filter)
10% of nominal power (increased
in steps of 10W)
8
TV Standard
ISDB-T, ATSC and DVB-T2
Intermodulation
-50dB @ ±4.2MHz (BW=8MHz)
Harmonics / spurious
better than -60dBc
MER
34dB to 38dB
Model
EC701HP
EC702HP
EC703HP
EC704HP
EC706HP
EC708HP
EC712HP
Output Power (W)
9
B.F.
10
A.F.
10
B.F.
10
A.F.
10
B.F.
10
A.F.
10
B.F.
10
A.F.
10
B.F.
10
A.F.
10
B.F.
10
A.F.
10
B.F.
10
A.F.
1
ATSC
800
700
1,600
1,400
2,400
2,100
3,200
2,900
4,800
4,200
6,500
5,600
9,500
8,500
DVB-T2
750
600
1,500
1,300
2,200
1,900
3,000
2,600
4,500
3,900
6,000
5,200
8,800
7,700
ISDB-T
700
580
1,400
1,200
2,100
1,800
2,700
2,400
4,000
3,600
5,400
4,800
7,800
7,000
AC Mains
(43 to 63Hz)
M220
B220
M220
B220
T220
M220
B220
T220
M220
B220
T220
M220
B220
T220
M220
11
B220
11
T220
M220
11
B220
11
T220
T380
T380
T380
T380
T380
T380
Output Connector
EIA 1-5/8"
EIA 1-5/8"
EIA 1-5/8"
EIA 1-5/8"
EIA 3-1/8"
EIA 3-1/8"
EIA 3-1/8"
PA Modules
1 module
2 module
3 module
4 module
6 module
8 module
12 module
Typical AC Consumption(W)
9
ATSC
2,055
4,009
5,964
7,918
11,827
15,736
23,575
DVB-T2
2,051
4,002
5,954
7,905
11,807
15,710
23,515
ISDB-T
1,935
3,810
5,685
7,560
11,310
15,060
22,620
Typical Heat Dissipation
(BTU/h)
9
ATSC
4,539
8,551
12,656
16,618
25,111
33,600
DVB-T2
4,857
9,058
13,320
17,647
26,773
35,584
53,206
ISDB-T
4,595
8,688
12,840
17,052
25,921
34,060
51,840
Rack dimensions (RU)
8
25
25
25
40
40
40
Number of Racks
1
1
1
1
1
1
2
Rack total width (mm)
570
570
570
570
570
570
1,140
Rack total depth (mm)
900
1,100
1,100
1,100
1,100
1,100
1,100
Transmitter weight (kg)
70
170
210
250
350
420
700