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ETG 1000 |
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ETG 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.
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.
| 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)
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| 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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