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Hitachi Kokusai Electric Inc.

E-compact series High-Efficiency

Specifications

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;
Channel filter;
Low-pass filter and after filter RF sample
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
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℃ to +45℃
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 75Ω
OUTPUT  
Operation Frequency 470MHz to 806MHz (UHF)
Bandwidth 6/8MHz
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 @ ±3.15MHz (BW=6MHz)*5
-50dB @ ±4.2MHz (BW=8MHz)
Harmonics / spurious better than -60dBc
MER 34dB to 38dB

TECHNICAL TABLE (typical values)

Model EC701HP EC702HP EC703HP EC704HP
Output Power (W)*9
    ATSC
    DVB-T2
    ISDB-T		 B.F.*10
800
750
700		 A.F.*10
700
600
580		 B.F.*10
1,600
1,500
1,400		 A.F.*10
1,400
1,300
1,200		 B.F.*10
2,400
2,200
2,100		 A.F.*10
2,100
1,900
1,800		 B.F.*10
3,200
3,000
2,700		 A.F.*10
2,900
2,600
2,400
AC Mains
(43 to 63Hz)		 M220
B220		 M220
B220
T220
T380		 M220
B220
T220
T380		 M220
B220
T220
T380
Output Connector EIA 1-5/8" EIA 1-5/8" EIA 1-5/8" EIA 1-5/8"
PA Modules 1 module 2 module 3 module 4 module
Typical AC Consumption(W)*9
    ATSC
    DVB-T2
    ISDB-T		  
2,055
2,051
1,935		  
4,009
4,002
3,810		  
5,964
5,954
5,685		  
7,918
7,905
7,560
Typical Heat Dissipation (BTU/h)*9
    ATSC
    DVB-T2
    ISDB-T		  
4,539
4,857
4,595		  
8,551
9,058
8,688		  
12,656
13,320
12,840		  
16,618
17,647
17,052
Rack dimensions (RU) 8 25 25 25
Number of Racks 1 1 1 1
Rack total width (mm) 570 570 570 570
Rack total depth (mm) 900 1,100 1,100 1,100
Transmitter weight (kg) 70 170 210 250
Model EC706HP EC708HP EC712HP
Output Power (W)*9
    ATSC
    DVB-T2
    ISDB-T		 B.F.*10
4,800
4,500
4,000		 A.F.*10
4,200
3,900
3,600		 B.F.*10
6,500
6,000
5,400		 A.F.*10
5,600
5,200
4,800		 B.F.*10
9,500
8,800
7,800		 A.F.*10
8,500
7,700
7,000
AC Mains
(43 to 63Hz)		 M220
B220
T220
T380		 M220*11
B220*11
T220
T380		 M220*11
B220*11
T220
T380
Output Connector EIA 3-1/8" EIA 3-1/8" EIA 3-1/8"
PA Modules 6 module 8 module 12 module
Typical AC Consumption(W)*9
    ATSC
    DVB-T2
    ISDB-T		  
11,827
11,807
11,310		  
15,736
15,710
15,060		  
23,575
23,515
22,620
Typical Heat Dissipation (BTU/h)*9
    ATSC
    DVB-T2
    ISDB-T		  
25,111
26,773
25,921		  
33,600
35,584
34,060		  
50,983
53,206
51,840
Rack dimensions (RU) 40 40 40
Number of Racks 1 1 2
Rack total width (mm) 570 570 1,140
Rack total depth (mm) 1,100 1,100 1,100
Transmitter weight (kg) 350 420 700
*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
DVB-CA Standard (conditional access)
- DVB Common-Interface (DVB-CI) Module card of type PCMCIA CAM (Irdeto systems, Conax)
Card and jacket not included.
*7
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
Under consultation.