Hitachi E-Compact Medium Power Series, Operation Manual, Page: 21 / 106

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E-Compact Medium Power
2. Specifications
⇨ IP Input
⇨
Control Module present
⇨ Switcher Module present
⇨ Power amplifier drawer (one power module);
⇨ High efficiency with Doherty technology;
⇨ Air cooled;
⇨ Automatic Fan Speed Control providing low noise levels, energy saving and increased lifespan;
⇨ Power supplies featuring Power Factor Correction better than 0.95;
⇨ Measures and alarms through front display and keypad or remotely.
⇨ VSWR and Overdrive protection via hardware with power reduction;
⇨ Software oriented overheating protection for internal modules;
⇨ Adaptive Digital Pre-correction (Linear and No-Linear);
⇨ Telemetry: WEB Server/SNMP, for local or remote management;
⇨ AGING transistor compensation via exciter's front panel;
⇨ Automatic GM compensation with temperature;
⇨ Main Control Software, WEB Server and SNMP;
⇨ USB communication Drivers;
⇨ Passive elements: Low-pass filter, before and after-filter probes.
Optional:
⇨ Telemetry through GPRS interface;
⇨ Exciter
⇨
Exciter Redundancy;
⇨ Control Module Redundancy;
⇨ GPS time base (exciter's internal module).
⇨ EC702MP has redundant power supply option.
General RF Performance
Modulation Standard ATSC 3.0 A/300 / ATSC 1.0 A/53
RF Output Regulation
≤ ± 0.1 dB
UHF Operation Frequency
470MHz to 806MHz
Ch14 to Ch69
Bandwidth 6 MHz
RF Input Level 0dBm
MER Performance
ATSC 3.0
ATSC 1.0
≥33dB
≥36dB
Harmonics/Spurious better than -60dBc
50Ω RF Output Connector
N-Female
DIN 7/16”
EIA 7/8” (flanged / unflanged)
EIA 1-5/8” (flanged / unflanged)
General Electrical Features
Power Requirement
(specify configuration at
equipment purchase order)
Single Phase 240Vac :
180~254VAC Between Both wire.
Single Phase 208Vac Wild Leg ⁹:
180~254VAC Between Phases to Neutral
(using Delta Three Phase 240Vac).
Frequency AC mains 43 to 63Hz
Power Factor Correction Typical 0.95, minimum 0.9