Audemat-Aztec Audemat-Aztec
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  • DAB, DAB+ and T-DMB Transmitters
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  • Audemat-Aztec Audemat-Aztec
DAB, DAB+ and T-DMB Transmitters


Hardware description
Size
  • Air cooled transmitters : 36U 19’’
  • 2100 (H) x 600 (l) x 800 (L) mm
  • Liquid cooled transmitters : 42U 19’’
  • 2100 (H) x 600 (l) x 1000 (L) mm
Weight
  • 150W (chassis only) : 20kg
  • 1,2 kW (air) : 700kg
  • 2,4 kW (air) : 780kg
Environmental conditions
Indoor part
Temperature
 Normal operation : 5 – 45°C / Maximum : 0 – 50°C
Relative humidity 90 %
Incoming cooling air Clean and dry
Outdoor part
Temperature Normal operation : 5 – 45°C / Maximum : 0 – 50°C
 Relative humidity  95 %
Incoming cooling air Protected frm the weather
RF Parameter 
Frequency range
  • in UHF
  • in VHF
  
  • 1452-1492 MHz (Band L)
  • 174-240 MHz (Band III)
Modulation
  Mode I, II, III et IV
Input format
  • NI (G703)
  • NA5376 (G704) or
  • NA5592 (G704)
Bit rate 2 048 Kbits/s ±50ppm
Max delay for
  • static delay
  • Offset delay
  
  • 1 s
  • 1 s
Output level
  • Main signal
  • Monitoring signal
  • Output level stability
  • Return loss
  
  • 0 dBm  +/-2dB
  • -20dB +/-2dB (Relative to main output)
  • +/-0.1dB / 10°c
  • >15 dB
I/Q amplitude unbalanced < 0.05%
I/Q quadrate error
 < 0.05
OUTPUT (without filter)
  • MER
  • Shoulder
  • Spurious
  
  • > 40 dB
  • > 50 dB (@970kHz)
  • > 50 dB (Relative to the total power of the signal)
Clock and synchronization
10 MHz reference output
 0 dBm ± 3 dB
External 10 MHz reference input :
  • Impedance
  • Level
  • 50 Ohms
  • From -5 to +10 dBm
External 1 pps reference input :
  • Level
  • Min pulse width
  • TTL level – 5 kOhms
  • 1 µs
 SFN Synchronization accuracy  ± 200 ns
 General specifications 
VHF nominal output power
150W, 300W, 600W, 1.2kW, 2.4kW
UHF nominal output power 100W, 200W, 400W, 800W
Frequency range  174 – 240 MHz Bande III
1452 – 1492 MHz Bande L
Output impedance 50Ω
Output connector N, 7/8 EIA
Bandwith 1,536 Mhz
Efficiency > 35%
Frequency stability 1x 10-07 / an
Spurious > 75dB
Electrical power Single phase : 88 – 264VAC / 47 – 63 Hz
Three phases : 310 – 450VAC / 47 – 63 Hz
Type of power line
 Single phase : 3 cable (Ph, neutral, ground)
Three phases : 5 cable (Ph1, Ph2, Ph3, neutral, ground)
Power factor
 > 0,90