EM 2000 He Dig Plus OMB | DMR -Elektronik
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: OMB
: EM 2000 HE D
: Neu
Der 2 -kW -FM -Sender, EM 2000 He Dig Plus, wurde vom OMB -Entwicklungszentrum für hocheffiziente Sender erstellt. Es besteht aus dem hohen Effizienz 2 kW -Verstärker FMA 2000 HE mit & gt; 73% Effizienz und dem EM 25 Dig Plus, einem 25 -W -FM -Sender. Der 2 -kW -Verstärker mit hoher Effizienz hat einen ungefähren Verbrauch von 2600 Va bei 230 VAC. Daher zahlt es sich aufgrund seines niedrigen Verbrauchs in kurzer Zeit für sich selbst aus. Dieser 2 -kW -FM -Sender ist auch in der Dual -Laufwerk -Version
erhältlichMAIN FEATURES OF THE 2KW FM DIGITAL transmitter MANUFACTURED BY OMB:
|
CHARACTERISTICS AMPLIFIER FMA 2000 HE HPPS |
|
| FREQUENCY RANGE | 87.5-108MHz |
| INPUT RETURN LOSS | -20dB |
| INPUT POWER | <15W |
| OUTPUT POWER | 2000W nominal, manual and automatic adjustable |
| POWER GAIN | 19.2dB minimum |
| TOTAL EFFICIENCY | >73% typical |
| RF EFFICIENCY | 84% typical |
| COOLING | Forced air, speed control of fans |
| HARMONICS LEVEL | -80dBc |
| INPUT/OUTPUT IMPEDANCE | 50Ω |
| RF INPUT connector | N(F) |
| RF OUTPUT CONNECTOR | 7/16"or EIA 7/8" |
| RF MONITOR CONNECTOR | bnc(F) |
| POWER SUPPLY | 230VAC ±15% → 195 ÷ 265VAC, 50/60Hz |
| CONSUMPTION | 2600VA (@2000W output power) |
| PROTECTIONS | Reflected power, forward power, overdrive, and overcurrent in power modules. Smart temperature protection. Ultra-fast protection against reflected and input power. Real time registration of events. Exciters inhibition |
| TELEMETRY AND REMOTE CONTROL | Analog telemetry (direct and reflected power measurements). Digital telemetry and remote control RS232. Remote control by opened/closed contacts |
| OPERATION TEMPERATURE | -5 to +40°C |
| WEIGHT | 20Kg approx. (without rack) |
| DIMENSIONS | 3 standard rack |
| EXCITER EM 25 DIG PLUS |
|
| FREQUENCY RANGE | 87.5-108MHz |
| FM MODULATION | 75KHz (adjustable) peak deviation. Mono 180kF3E and Stereo 256kF3E |
| AUDIO/MPX INPUT LEVEL | -3.5 @ +12.5dBm @ 75KHz deviation |
| AUDIO INPUT CONNECTORS | xlr(F) |
| AUXILIARY CHANNEL (RDS/SCA) INPUT LEVEL | 7.5KHz deviation: -12.5 to 3.5dBm and 2KHz deviation: -24 to -8dBm |
| AUX. CHANNEL INPUT IMPEDANCE | 10kOhm |
| MODULATION DISTORTION | 7.5Khz deviation: <0.05%, 0.02% typical; 2KHz deviation: <0.2%, 0.05% typical |
| S/N MONO RATIO | 30 to 20000Hz: >76dB, 86dB typical, CCIR: >75dB, 81dB typical |
Technical specifications:
| S/N STEREO RATIO | 30 to 20000Hz: >72dB, 77dB typical, CCIR: >68dB, 72dB typical |
| AUDIO CHANNELS BANDWIDTH | 30 to 15000Hz ±0.1dB |
| PRE-EMPHASIS TIME CONSTANT | Selectable, 25/50/75 microseconds |
| RF NOMINAL OUTPUT POWER | 25W |
| TUNING STEPS OF TRANSMITTER | 10/100KHz |
| ALC OUTPUT POWER STABILITY | ±3% |
| SPURIOUS AND HARMONIC EMISSIONS | <80dBc |
| RF OUTPUT IMPEDANCE | 50Ω |
| RF INPUT POWER CONNECTOR | N |
| RF SAMPLING CONNECTOR | BNC |
| POWER SUPPLY | 110-230Vac ±15% 50-60Hz |
| OPERATION TEMPERATURE RANGE | 0 to 40°C recommended, -10 to 55°C max. |
| RELATIVE HUMIDITY | Up to 95% without condensation |
| DIMENSIONS | 484x300x90mm, 2 standard rack units of 19" |
| WEIGHT | 7Kg |