ETG1000 Print E-mail
etg1000ETG 1000 is undoubtedly innovative, being compact, light and powerful at the same time. Switching type power supply, telemetry, all in 3 rack units.
 
The ETG 1000 is versatility itself: as a backup unit in an N+1 transmission system, or as the main transmitter in a medium-power system; thanks to its compact dimensions and very light weight , it is easy to transport, and can be easily installed where access is difficult. 

 

Available with internal Stereo encoder and with 2 power supplies for redundancy.

ETG 1000 model features PFC ( Power Factor Corrector) circuit on power supplies input in order to reduce below limit values first 40 current harmonics emission, as requested by technical european directives (EN61000-3-2). Thanks to this device electronic equipments better protected from disturbs when connected to the mains.

 

  • Photos
ETG1000 ETG1000 ETG1000

 

 

  • Highlights
ETG exciters are very light and compact equipment, they can be used both as exciters and main transmitters and directly connected to the antenna. High power models have been developed for this application; these are very useful where compactness, lightness and low-cost are important factors.

  • Easy-use
  • A simple and wide LCD interface ease operating parameters' reading and settings.  Final user can password-protect its chosen configurations. On request we can personalize ETG displaying on its LCD the broadcaster's logo.

  • Audio quality
  • 3 bars indicate frequency deviation (one for composite signal and two for left and right channels), with peak memory. A histogram on frequency and time axis allows precise monitoring of audio chain performances. An extremely wide and flat audio pass-band, without phase rotation ensures that the MPX signal is transmitted at high quality without stereo degradation. A programmable ALC (Automatic Level Control) circuit acts on variations of the composite MPX signal, maintaining its level within the range defined by the user.

  • High Performance
    • Reliability: RF amplifier is protected by a VSWR monitor progressively reducing output power to a safe value in the case of mismatch; ETG exciters can be run in this condition indefinitely without risks of damage.
    • Stability: an ALC circuit ensures that output power remains constant throughout the operating frequency band.
    • Telemetry: Standard included in basic equipment, allows remote monitoring and adjustment of the unit's operating parameters. Just an additional standard or GSM modem or HyperTerminal software (© Microsoft Windows) is required.
    • Modularity: An expansion slot has been designed to place a Stereo Input and Stereo coder board (stereo filetr, clipper and pre-emphasis) inside ETG exciters.
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  • Technical Features

 

GENERAL FEATURES
Operating band: 87.5 ÷ 108 MHz
Frequency step: 10 kHz
Modulation type: F3 direct frequency modulation of VCO
Power amplifier technology: MOSFET
Nominal power: 1000 W
Output power stability: +/- 0.1 dB
Output Impedance: 50 Ohm
RF output connector: "N" Female, 7/16", LC, 7/8"
Harmonic and spurious attenuation: < -80 dBc
Frequency stability: within 1 ppm
Residual AM: asynchronous 0.1% ( typ.); synchronous 0.2% ( typ.)
Dimensions: 48.5L X 45.5D X 13.5H cm
Weight: 22 Kg
Power supply voltage: 115 / 230 VAC singlephase
Power Consumption : 1600 VA typ. @ 1000 W RF
Cooling System: Forced air-cooling

 

AUDIO L/R INPUT
Frequency response: ± 0.15 dB (16 Hz ÷ 15 kHz) -45db at 19 kHz
Stereo separation: better than 65db @ 1kHz
Pilot tone: 19 kHz ± 1kHz
Input impedance: 10 kOhm - 600Ohm (adjustable) Balanced
Gain control: -12dB ÷ +12 dB steps by 0.1 dB
Connector type: XLR female
19KHz attenuation: >45 dB

 

ENVIRONMENTAL CONDITIONS
Operating conditions temperature: 0°C ÷ +45°C
Non-operating conditions temperature: -20°C ÷ +50°C
Operating conditions humidity: 95% @ +40°C
Non-operating conditions humidity: 90% @ +65°C
Operating conditions altitude: < 4600 m. s.l.m.
Carrying altitude: < 15.000 m. s.l.m.

 

 

MPX INPUT
Impedance: 10 kohm unbalanced input
Frequency response: ± 0.1 dB (30 Hz ÷ 100 kHz)
Intermodulation distortion: 0.05% two-tones 1kHz and 3 kHz measurements
THD+N: < 0.03% @ 1 kHz
S/N CCIR: better than 72dB referred to 75kHz
Connector type: BNC female

 

 

SCA INPUT
Input Impedance: 10 kOhm unbalanced input
Connector type: BCN female

 

 

ENVIRONMENTAL CONDITIONS
Operating conditions temperature: 0°C ÷ +45°C
Non-operating conditions temperature: -20°C ÷ +50°C
Operating conditions humidity: 95% @ +40°C
Non-operating conditions humidity: 90% @ +65°C
Operating conditions altitude: <4600 m s.l.m.
Carryng altitude: <15000 m s.l.m.

The above details are referred to ETG1000 model.

 

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