Green4DAB
DAB/DMB OEM Modulator
Green4DAB is an OEM Modulator, fully compliant to DAB & DMB Standards, targeting transmitter manufacturer requirements to design high quality terrestrial transmitters. Compact and cost effective, with its latest generation of Digital Adaptive Precorrection, Green4DAB is the ideal solution to build your high, medium and low power Digital Radio Transmitters.
Highlights
DAB & DMB Standards
Green4DAB inherits from 20+ years of experience in digital radio transmissions. Integrating Green4DAB is embracing the leading DAB / DMB technology, deployed worldwide.
High RF performance
Green4DAB has been especially designed to meet transmitter manufacturers’ demand for integrating a high-end digital radio modulation with top class of RF performances.
GAP® – Green Adaptive Processing
Green4DAB Digital Adaptive Precorrection circuits allows to run transmitters very close to their saturation to improve Efficiency and reduce Power Supply consumption.
Small footprint
Smallest form factor on the market, Green4DAB can be easily and quickly intergated thanks to a complete software API.
Applications
- DAB Transmitter manufacturing
- DMB Transmitter manufacturing
- Test bench system
Other Benefits
- ETI, IP (EDI) and Satellite inputs
- Seamless Input Switching
- Modulator Redundancy
- Power Amplifier Monitoring
Technical specifications
Data I/O
ETI Interface
2 G703 Input - SMA - 75
- NI(G703), NA5376(G704), NA5592(G704)
1 G703 Output - SMA - 75 Ω
- NI or NA /G703
Ethernet port
1 Ethernet port 1GigE - RJ45
Protocols: IP, UDP, IGMP (V2 & V3)
VLAN ID (1 to 4094) - IEEE 802.1q
EDI De-encapsulation (TS 102 693)
Data Processing
Input Features
Automatic NI / NA Detection
Input stream redundancy
Seamless Switching
Modulation & Standards
MFN/SFN DAB Mode I, II, III & IV
DAB Transmission: EN 300 401 v1.4.1
DMB Services: EN TS 102 428 v1.1.1
ETI Interface: ETSI ETS 300 799 v1.5.1,
EDI: ETSI TS 102 633
Digital Adaptive Precorrections
Linear DAP: Amplitude ±3 dB, Group Delay 0 to 500 ns
Non Linear DAP: Amplitude ± 6 dB, Phase ±180°
Crest Factor Reduction (PAPR) and Protection clipping
Green Adaptive Precorrection (GAP): optio
RF Monitoring
In band SNR / MER
Shoulder level (left/right)
RF Inputs/Outputs
Main RF output
VHF band III (170/240 MHz), 1Hz step
- 0 dBm / SMA - 50 Ω
Monitoring RF output
Copy of Main RF output
20 dB below / SMA - 50 Ω
RF Feedback Input
2 VHF input
-15 dBm to -5 dBm / SMA - 50 Ω
Satellite Input
1 L band (950/2150) DVB-S/S2 Input - SMB - 75 Ω
- GSE (EDI) or TS (ETI) Encapsulation
Control & Management
Control / Monitoring
1 Ethernet port 1GigE - RJ45
- IP Control with dedicated software
1 RS232 & 1 RS485 - Phoenix connector
- ASCII protocol
Clock and Synchronization
10 MHz & 1 PPS input/output
GPS option
Physical
Height x Width x Depth
Power supply - Power consumption
Front
Ordering codes
xTTM-G4D0-3320
DAB/DMB OEM modulator - ETI Inputs, VHF output, DAP
xTTM-G4D0-3420
DAB/DMB OEM modulator - ETI / Satellite Inputs, VHF output, DAP
xTTM-G4D0-3322
DAB/DMB OEM modulator - ETI Inputs, VHF output, DAP with GPS
xTTM-G4D0-3422
DAB/DMB OEM modulator - ETI / Satellite Inputs, VHF output, DAP with GPS
xTTM-G4D0-3323
DAB/DMB OEM modulator - ETI Inputs, VHF output, DAP with GPS/Glonass
xTTM-G4D0-3423
DAB/DMB OEM modulator - ETI / Satellite Inputs, VHF output, DAP with GPS/Glonass
