tem opera plus 1kw scaled

TEM Opera plus 1kW FM 87,5÷108MHz transmitter uses 1x1250W amplifier with 6^ generation LD-Mos technology, practically unbreakable.

The technical solutions adopted by our engineers are focused to assure energy saving (among the lowest) and high reliability. Settings, protections, telemetry are totally microprocessor controlled. The installation and the maintenance of the equipment are respectively very fast and easy.These fully protected transmitters are indicated for use in unmanned stations.

  • Wideband circuits amplifiers with LDMOS technology
  • Built-in exciter with digital frequency synthesiser
  • Stereo encoder, RDS, AES-ABU and Audio change-over built-in
  • Automatic fold-back ROS protection
  • Fold-back temperature protection
  • LCD display to check all operating parameters
  • 1x1250W amplifier in only one heat-sink for highest reliability
  • Switching-mode Power Supply - Efficiency >95%
  • Sealed duct cooling air with blowers
  • Easily removable blowers
  • Harmonics filter & directional coupler built-in 3 unit 19” standard rack
  • GSM Telemetry & TCP/IP Webserver
  • The headphone jack on the front panel
  • General Specification
  • Operating voltage:100V ÷ 260V AC
  • Typical Efficiency:> 71%
  • Cooling:Forced air
  • Operating altitude:up to 4000m (13123 ft) over sl
  • Typical Consumption:< 1410W
  • Operational temperature range:-5° to 50°C
  • Storage temperature range:-20° to 60°C
  • Output RF connector:DIN 7/16
  • Monitor RF connector:BNC
  • Dimensions:485x133,2x625mm / 15Kg
  • Radio Frequency
  • Frequency range:87.5 to 108MHz
  • Frequency setting:in 10KHz or 100 KHz steps
  • Setting mode:By keys on the front panel/Remote
  • Frequency stability:< ±500Hz/year - 0.5ppm
  • Frequency generation:PLL synthesizer
  • Modulation type:direct VCO frequency modul. F3
  • Nominal frequency deviation:±75KHz
  • Deviation linearity in all freq. range:±5KHz
  • RF output power:1000 W ± 0.3dB - Adjustable
  • Internal Driver power:max 10W
  • Harmonics emission:<-70dBc
  • Spurious emission:<-95dBc
  • Modulation Capability
  • MONO (left and right):30Hz to 15KHz
  • L-R & AES-EBU (up to 192KHz):30Hz to 53KHz
  • SCA + RDS:30Hz to 100KHz
  • Composite:Mono or Stereo + SCA + RDS
  • IP Audio:G.711-722 / MP3,WMA,PCM
  • MPX Characteristics
  • Signal input:MPX
  • Composite Input impedance:10Kohm unbalanced
  • Input connector:BNC
  • Input level:Adjustable 0/+6/Variable
  • Audio freq. response (30Hz to 60KHz):< 0,5 dB
  • Modulation distortion:<0.02%
  • Signal to noise ratio:>80dB
  • Stereo Characteristics
  • Signal inputs:Left or Right - AES-EBU
  • Input impedance:600ohm (bal.) or 10k ohm
  • Input connectors:Canon XLR
  • Unbalanced rejection:>40dB
  • Input level:Adjustable (Front/Remote)
  • Pre-emphasis:75 or 50uS
  • Audio frequency response (30Hz to 15KHz):<0.25dB
  • Audio frequency response (19KHz to 100KHz):>50dB
  • Cross-talk between left and right channel:>50dB
  • Distortion at frequency deviation of 75KHz:<0.1%
  • Signal to noise referred at a deviation of 75KHz:>77dB
  • Suppression of 38KHz:>50dB


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