50W LDMOS UHF TV TRANSMITTER ETV50U
ETV50U 50W LDMOS UHF TV TRANSMITTER
Amplifier Digital ready
Categories
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RF Transmission
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- TV Transmitters
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Information
Technical details Synthesized AM Modulator PAL of NTSC System Driver TV IF/CH Converter (RF out 5W Peak Sync.) with OL low Noise (programmable Channel). AGC and ALC Control with Peak Detector Combined Carrier wideband solid state Amplifiers (LDMOS Tech.) Display Multi-function on all DEVICE. Switching Power Supply with PFC Modular and compact construction with 19"RACK Cabinet LOW POWER Consumption Maintenance Free Notch Band-Pass Cavity FILTER (optional) ETV50U Technical Specifications General description: The TRANSMITTER TV 50W p.s. UHF model "ETV50U" is built with LDMOS technology.It is composed of an A.M. Modulator, an IF/CH TV Converter (DRIVER) and an 50W peak sync. AMPLIFIER. This TRANSMITTER is used for transmitting Analog TV signal, ensuring high efficiency and excellent linearity for all UHF Band.
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VIDEO input
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Impedance 75ohm - Input level 1Vpp adj. -
Sync pulse compression < 3% - S/N ratio > 55 dB - Connector BNC female White/Sinc level 95% - Modulation limiter White clipper |
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AUDIO input
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Impedance 600 Ohm - Input level 0 dBm +/- 6 dB - Type Balanced or unbalanced - Distorsion < 0.8% Bandwith 20 – 15000Hz - Frequency response 20Hz – 16KHz - Connector XLR-CANNON
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IF OUTPUT
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Impedance 50 Ohm - IF out CONNECTOR SMA female - IF level -10 dBm (Typical) - Spurious level -60dB Video Carrier Freq. 38.9MHz PAL - 45.75MHz NTSC ; Audio Carrier Freq. 33.4MHz PAL - 41.25MHz NTSC
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Frequency range
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470-860 MHz
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Output RF Power
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50W p.s. – Connector: N female
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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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Impedance
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50 Ohm
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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
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Voltage Supply
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100-260 Vac/50Hz
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Power Consumption
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110W (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(8Units) CABINET RACK 19" - depth:60cm
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