Article number
492055

TDX Backend - QAM

QAM Quad output module. It is possible to create your own bouquets of services/TV programs, available in the TDX Pool, and put them together in a QAM data stream. Depending on the bandwidth of each service it is possible to mix all the services and use the total bandwidth in an optimal way.

ORDER INFORMATION

EAN Number5702664920551

ELECTRICAL

Impedance 75 Ω

CHARACTERISTICS

Output QAM Modes16QAM, 32QAM, 64QAM,128QAM, 256QAM
Output spectrum Normal, inv. random
Output level adjustment +3...-17 dB
Output Level System 100 dBµV
Output symbol rate 3.15 - 7.2 Mbit/s
Spurious Signals > 60 dB
TER - FEC rate1/2, 2/3, 3/4, 5/6, 7/8
Reed Solomon decoder204, 188, t=8
DeinterleaverI =12
Roll-Off Factor 15 %
FEC block codeRS 204, 188
MER ≥ 41.0 (typ. 42) dB

FREQUENCY RANGE

Bandwidth 7, 8 MHz
Output frequency range 50.5 - 858 MHz
Channel Raster 7, 8, 8.5 MHz
Frequency step 250 kHz

RETURN LOSS

Output Return Loss > 10 dB

OPERATIONAL

DC Operating voltage 12 ± 1 VDC
DC Current consumption 700 mA
Temperature - storage -20 ..70 °C
Humidity - storage 10 ... 90 %

MECHANICAL

Weight (kg) TB(D) 0.41 kg
Packaging Height 0.060 m
Packaging Width 0.180 m
Packaging Depth 0.270 m
Packaging Volume 0.003 m3
Net Weight 0.320 kg
Tara Weight 0.087 kg
Total Weight 0.407 kg