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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
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.
• 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)
EC701HP
Model
9
8
B.F.
Output Power (W)
ATSC
800
DVB-T2
750
ISDB-T
700
AC Mains
M220
(43 to 63Hz)
B220
Output Connector
EIA 1-5/8"
PA Modules
1 module
8
Typical AC Consumption(W)
ATSC
2,055
DVB-T2
2,051
ISDB-T
1,935
Typical Heat Dissipation
8
(BTU/h)
ATSC
4,539
DVB-T2
4,857
ISDB-T
4,595
Rack dimensions (RU)
8
Number of Racks
1
Rack total width (mm)
570
Rack total depth (mm)
900
Transmitter weight (kg)
70
Note:
All specifications are subject to change without notice.
Manual Rev. 0.1 - February 2018
4
EC702HP
EC703HP
9
9
9
9
A.F.
B.F.
A.F.
B.F.
A.F.
700
1,600
1,400
2,400
2,100
600
1,500
1,300
2,200
1,900
580
1,400
1,200
2,100
1,800
M220
M220
B220
B220
T220
T220
T380
T380
EIA 1-5/8"
EIA 1-5/8"
2 module
3 module
4,009
5,964
4,002
5,954
3,810
5,685
8,551
12,656
9,058
13,320
8,688
12,840
25
25
1
1
570
570
1,100
1,100
170
210
Communication Interfaces
Frequency Stability
Oscillator
Power Factor
Operation Altitude
Ambient operating temperature
Environmental Humidity range
BTS, TS or IP INPUTS
Formats
Connectors
Impedance
OUTPUT
Operation Frequency
Bandwidth
Power
Minimum Operation Power
(after filter)
TV Standard
Intermodulation
Harmonics / spurious
MER
EC704HP
EC706HP
9
9
9
9
9
B.F.
A.F.
B.F.
A.F.
3,200
2,900
4,800
4,200
3,000
2,600
4,500
3,900
2,700
2,400
4,000
3,600
M220
M220
B220
B220
T220
T220
T380
T380
EIA 1-5/8"
EIA 3-1/8"
4 module
6 module
7,918
11,827
7,905
11,807
7,560
11,310
16,618
25,111
17,647
26,773
17,052
25,921
25
40
1
1
570
570
1,100
1,100
250
350
USB / Ethernet / SNMP
±1Hz (internal GPS)
PLL synthesized
better than 0.9
up to 2,500m a.s.l
25°C Recommended
35°C Maximum
from 0 to 95% (non-condensing)
DVB-ASI 188 / 204 bytes
Ethernet (IEEE 802.3u)
10Base-T/100Base-TX
BNC-Female
RJ45
75Ω
470MHz to 806MHz (UHF)
6 / 7 / 8 MHz
up to 9.5kWrms before filter
10% of nominal power (increased
in steps of 10W)
ISDB-T, ATSC and DVB-T2
-50dB @ ±3.15MHz (BW=6MHz)
-50dB @ ±4.2MHz (BW=8MHz)
better than -60dBc
34dB to 38dB
EC708HP
EC712HP
9
9
9
9
B.F.
A.F.
B.F.
A.F.
Remarks / Notes
6,500
5,600
9,500
8,500
6,000
5,200
8,800
7,700
1
Except EC712HP.
5,400
4,800
7,800
7,200
2
Ethernet is a registered trademark of
Xerox Corporation
10
10
M220
M220
3
Except EC701HP.
10
10
B220
B220
4
T220
T220
The PA modules can be removed /
inserted with the transmitter in
T380
T380
operation, although the PA being
removed / inserted must be switched
EIA 3-1/8"
EIA 3-1/8"
off.
5
8 module
12 module
optionals availability in each standard.
6
Altitudes above 2,500m under
15,736
23,575
consultation.
a.s.l: above sea level.
15,710
23,515
7
15,060
22,620
Except for model EC701HP, nominal
power of 580W, in which the minimum
power is 50W.
8
33,600
50,983
value, channel and output power. For
details, consult Hitachi Kokusai Linear.
35,584
53,206
34,060
51,840
9
B.F.: Before Filter / A.F.: After Filter
10
40
40
1
2
570
1,140
1,100
1,100
420
700
2
6
2
7
Contact Hitachi Kokusai Linear for
May change depending on MER
Under consultation.
1-20
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