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TL102 DTV De-modulator
TL102 DTV De-modulator

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QAM Modulating Signal,Satellite RF signal ,Terrestrial Digital TV broadcasting RF signal input, 3 ASI output

TL100 Series DTV De-modulator 

Introduction

TL100 series products is new generation DTV demodulator developed by BeijingCircLoop Digital Image Tech. Co., Ltd. Independently, it converts the territory broadcasting signal of DVB-C ,DVB-S/S2 and national standard(GB 20600-2006)to ASI signal and output it.

It is modular and pluge-in plate structure , multiple confirguration can be assembled flexibly;the network management is based on web browser, it is easy to operate and maintain.

TL100 Series DTV demodulator type and function correspondence table

Type

Standard

Input

Output

TL100

DVB-C,ITU-T J83A/C

QAM Modulating Signal

3 ASI

TL101

DVB-S/S2

Satellite RF signal

3 ASI

TL102

GB 20600-2006

Terrestrial Digital TV broadcasting RF signal

3 ASI

 

Physical Structure

Main features 

TL100

Meets the transmission standard of DVB-C and ITU-T J83A/CWith Local loop out (RF_OUT), it is convenience to cascade and test.Demodulating method supports 16,32,64,128,256QAMBe able to remove interference of echo,error of symbol timing and interference of carrier effectivelyBe able to brak the Adjacent Channel Interference and co-channel interference effectively.Support constellation graphic output and the estimation of BER and SNRASI×3 output interface, support MPTS and SPTS

TL101

 Fully conforms to DVB-S and DVB-S2 standardSupport QPSK,8PSK,16APSK and 32APSK demodulating method Max. Channel bit rate up to 130MbpsMax. symble rate:45Msps(QPSK and 8PSK demodulating);36Msps(16APSK demodulating);28Msps(32APSK demodulating)Support rapidly blind scan, automatically spectrum inversion, clock and carrier recover, co-channel interference control etc.Accurate SNR estimationASI×3 output interface, output suppports MPTS and SPTS

TL102

Completely support Chinese National Standard  of Digital Terrestrial TV and Broadcasting -GB 20600-2006Suuports multi and single carriver mode, compatible with SFNWith local loop out (RF_OUT), it is convenience to cascade and testDemodulating method supports 4QAM-NR,4,16,32,64QAMSupports three kind of FEC bit rate(0.4,0.6 and 0.8) and three kind of protection interval time(420,945 and 595)Supports de-interleaveing in time domain (leaving depth: 240 or 720)Supports 6MHZ,7MHZ and 8MHZ channel brandwidthTiming carrier recovering and calibrating; control Adjacent Channel Interference and co-channel interference effectively.ASI×3 output interface, output supports MPTS and SPTS

Application

Digital TV system of Service appartment,office building,Manfactory,SchoolDistributing for digital head-end of CATV and Terrestrial Digital TelevsisonTransfer of CATV and Terrestrial Digital Televsison systemDistributing for CATV,Terrestrial Digital Televsison and Telecom  Re-multiplexing TS of CATV,Terrestrial Digital Televsison

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