Digital tv transmitter 250w rms
The TRANSMITTER TV 250W rms UHF model "ETVD300U" is built with LDMOS technology. It is composed of an Dvb-T Modulator, an IF/CH TV Converter (DRIVER) and an 250W rms AMPLIFIER. This TRANSMITTER is used for transmitting Digital TV signal, ensuring high efficiency and excellent linearity for all UHF Band.
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ASI INPUT
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DVB –ASI inputs(Trasport Stream DVB-T) , Connector BNC 75ohm
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IF OUTPUT
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Level: -10dBm to 0dBm – Frequency Range: 35-46MHz (Steps of 0.1Hz) – Level Stability:+/- 0.2dB Shoulder Level: <= -52dBc – MER >= 43dB
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IF input Level to DRIVER
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-15dBm / +3dBm - Connector SMA female
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RF Power Output
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300W rms – Connector: 7/16"
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Impedance
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50 Ohm
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Gain (Amplifier)
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20 dB
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Spurious emissions
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-60 dB
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Harmonics
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-60 dBc
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Amplification class
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AB
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MER (RF out)
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MER > 35dB
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Frequency range RF OUT
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470-860 MHz
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ALC
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20 dB (-3 dB start and full power automatic switching)
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Protections
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SWR – max temperature – RF overdrive
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Voltage Supply
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100-260 Vac/50Hz
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Power Consumption
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1900W (white video)
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Cooling System
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forced air
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Operating temperature
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-30 to 40°C
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Dimensions
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H(11Units) CABINET RACK 19" - depth:60cm
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Weight
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30 Kg
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