Matériel radio FM, Stations TV, Studios, Emetteurs FM TV DAB DRM

EMETTEUR DAB T-DMB

EMETTEUR DAB T-DMB

Modulateur, Emetteur VHFIII, Modulateur DAB-DMB, Amplificateur Solution, Filtres, Antennes.

Nous réalisons les antennes pour la transmission T-DMB, suivant les projets et qté, nos proposons des solutions compétives, nous consulter

 

Plus de détails

Nous consulter


EMETTEUR DAB T-DMB

TECHNICAL CHARACTERISTICS

SIGNAL PROCESSING
Reference Standard   ETSI ETS 300 401, ETS 300 799
DAB Modes   I,II,III,IV
Dynamic Reconfiguration   Supported
Constellations   D-QPSK
Network Support   MFN ed SFN
Digital Pre-correction   Linear and Non-Linear
TII Signaling   User defined or ETI-controlled
DAB Mode Selection   User defined or ETI-controlled
Test modes   Central Carriers removal

INPUT
ETI Input   2 ETI inputs with automatic switch
Bit-Rate   2048kbit/s +50ppm
Seamless Switching Mode   User enabled
Input ETI Format   ETI NI, ETI NA5592 and ETI NA5376
Frequency Reference   10MHz
Frequency Reference Interface   BNC, 50W, -5dBm to + 10dBm
Time Reference   1pps
Time Reference Interface   BNC, 5kW, TTL 0-5V
SFN Synchronization Accuracy   +200ns

OUTPUT
RF Output Center Frequency   VHF: 174.928MHz - 239.200MHz step 1Hz L-band: 1452MHz - 1492MHz step 1Hz
Output Level   5W RMS
Output Interface   N-type connector, 50WW
Spectrum Polarity   Non-inverted and Inverted
Harmonics and Spurious   <60dB relative to the total output output power
I/Q Amplitude Imbalance   < +0.05%
I/Q Quadrature Error   < +0.05°
MER   >40dB

GENERAL
Physical   Case 19" - 2U - 12kg
Remote Control Port   RS232/RS485
Remote Control Option   PSTN, GSM, Ethernet, SNMP (with external unit)
Front Panel User Interface   LCD Display + Rotating knob
Power Supply Voltage   90-250VAC
Power Consumption   150VA max
Operating Temperature   0 - 50°C
These specifications are subject to change without previous notice