26 Mar 2007
DekTec Launches World's 1st DTMB Modulator PCI Card for Chinese DTV at CCBN
At CCBN, DekTec proudly presents a low-cost PCI-Card modulator for DTMB, the new Chinese National Standard for Digital Terrestrial TV Broadcasting. DekTec has managed to provide support for this new standard in a timely fashion thanks to its local technology partner NexDigita in Shenzhen, China. The implementation supports all system parameters defined in DTMB.
DTMB Modulation Parameters
Parameterer |
Supported Settings |
QAM Mapping |
4-QAM-NR, 4-QAM, 16-QAM, 32-QAM, 64-QAM |
FEC Code Rate |
0.4: FEC(7488,3008), 0.6: FEC(7488,4512), 0.8: FEC(7488,6016) |
Frame Structure |
1: PN420, 2: PN595, 3: PN945 |
Carrier Mode |
Single Carrier C=1, Multi Carrier C=3780 |
Bitrate |
Up to 32.486 Mbps in PN420, 64-QAM, FEC(7488, 6016) mode |
DTMB is an option for the DTA-110T, an UHF modulator for QAM- & OFDM-based modulation modes, and for DekTec's new DTA-115, a truly universal modulator card with VHF and UHF upconverter, programmable output level up to 0dBm, DVB-ASI port and support for DVB-C, DVB-H, DVB-T, QAM Annex A/B/C, ISDB-T and now DTMB too! |