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Section 1 - Introduction (UHF Digital TV Transmitters)
E-Compact - Air Cooling - ATSC - High Power
1.5
Technical Specification - E-Compact TV ATSC Transmitters
Note:
All specifications are subject to change without notice.
Manual Rev. 0.1 - February 2018
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;
• Software oriented overheating protection for internal modules;
• Automatic Digital Pre-correction (Linear and Non-Linear);
• Telemetry: WEB Server/SNMP, for local or remote management;
• AGING transistor compensation via exciter’s front panel;
• Automatic GM compensation with temperature;
• Gain and Phase adjustments per drawer;
• SFN Operation;
• Configurable BTS decompressor, compatible with other compression standards.
4
• Isolated combiner, enabling Hot Swap
INCLUDED
• General Control Software, WEB Server and SNMP;
• USB communication Drivers;
• PT-BR, US-EN or ESP manuals (digital formats).
• Passive elements kit: Low-pass filter, before and after-filter probes
5
OPTIONALS
• Telemetry through GPRS interface;
• Double Exciter;
• Instrumental embedded via software;
• GPS time base (exciter’s internal module);
• Terrestrial reception for UHF retransmission (N-Female Connector);
• Satellite reception (DVB-S/S2) for UHF retransmission (N-Female Connector);
• Conditional Access Module with up to four simultaneous services, and display of up to eight
services;
• Output Mask filter;
• Input 7-pole filter for UHF receiver.
TECHNICAL TABLE
(typical values)
Remarks / Notes
1
Except EC712HP.
2
Ethernet is a registered trademark of
Xerox Corporation
3
Except EC701HP.
4
The PA modules can be removed /
inserted with the transmitter in
operation, although the PA being
removed / inserted must be switched
off.
5
Contact Hitachi Kokusai Linear for
optionals availability in each standard.
6
Altitudes above 2,500m under
consultation.
a.s.l: above sea level.
7
Except for model EC701HP, nominal
power of 580W, in which the minimum
power is 50W.
8
May change depending on MER
value, channel and output power. For
details, consult Hitachi Kokusai Linear.
9
B.F.: Before Filter / A.F.: After Filter
10
Under consultation.
Model
EC701HP
EC702HP
EC703HP
EC704HP
EC706HP
EC708HP
8
Output Power (W)
ATSC
DVB-T2
ISDB-T
750
700
800
1,500
1,400
1,600
2,200
2,100
2,400
3,000
2,700
3,200
4,500
4,000
4,800
6,000
5,400
6,500
AC Mains
(43 to 63Hz)
B220
M220
B220
T220
M220
T380
B220
T220
M220
T380
B220
T220
M220
T380
B220
T220
M220
T380
10
B220
T220
10
M220
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"
PA Modules
1 module
2 module
3 module
6 module
8 module
8
Typical AC Consumption(W)
ATSC
DVB-T2
ISDB-T
Typical Heat Dissipation
8
(BTU/h)
ATSC
DVB-T2
ISDB-T
Rack dimensions (RU)
Number of Racks
Rack total width (mm)
Rack total depth (mm)
Transmitter weight (kg)
2,051
1,935
2,055
4,002
3,810
4,009
11,807
11,310
11,827
15,710
15,060
15,736
26,773
25,921
25,111
35,584
34,060
33,600
8
1
570
900
4,857
4,595
4,539
70
9,058
8,688
8,551
25
1
570
1,100
170
5,954
5,685
5,964
13,320
12,840
12,656
25
1
570
1,100
210
4 module
7,905
7,560
7,918
17,647
17,052
16,618
25
1
570
1,100
250
40
1
570
1,100
350
40
1
570
1,100
420
EC712HP
8,800
7,800
9,500
10
B220
T220
10
M220
T380
EIA 3-1/8"
12 module
23,515
22,620
23,575
53,206
51,840
50,983
40
2
1,140
1,100
700
9
9
B.F. A.F.
600
580
700
9
9
B.F. A.F.
9
9
B.F. A.F.
9
9
B.F. A.F.
9
9
B.F. A.F.
9
9
B.F. A.F.
9
9
B.F. A.F.
1,300
1,200
1,400
1,900
1,800
2,100
2,600
2,400
2,900
3,900
3,600
4,200
5,200
4,800
5,600
7,700
7,200
8,500
Communication Interfaces
Frequency Stability
Oscillator
Power Factor
Operation Altitude
Environmental Humidity range
BTS, TS or IP INPUTS
Formats
Connectors
Impedance
OUTPUT
Operation Frequency
USB / Ethernet / SNMP
2
±1Hz (internal GPS)
PLL synthesized
better than 0.9
6
up to 2,500m a.s.l
from 0 to 95% (non-condensing)
DVB-ASI 188 / 204 bytes
Ethernet (IEEE 802.3u)
2
10Base-T/100Base-TX
BNC-Female
RJ45
75
Ω
470MHz to 806MHz (UHF)
Bandwidth
6 / 7 / 8 MHz
Power
up to 9.5kWrms before filter
TV Standard
ISDB-T, ATSC and DVB-T2
Intermodulation
-50dB @ ±3.15MHz (BW=6MHz)
better than -60dBc
MER
34dB to 38dB
-50dB @ ±4.2MHz (BW=8MHz)
Harmonics / spurious
Minimum Operation Power
10% of nominal power (increased
7
in steps of 10W)
(after filter)
Ambient operating temperature
25°C Recommended
35°C Maximum