HD TV receiver DVB-T2

DVB-T2 HD TV receiver 1. dvb t2 set top box 2. mpeg4 television receiver 3. hd receiver

DVB-T2 HD TV receiver  

 

1. RF tuner & DVB-T2 Channel Complied Standard ETSI EN 302 755 V 1.1.1 (2009-09) Input impedance 75Ω   Modulation COFDM: QPSK, 16QAM, 64QAM, 256QAM   Frequency VHF (174-230 MHz)-optional, UHF (470 – 806 MHz)   Input signal level 36~85dBμV   FEC coding LDPC Code + BCH Code, Code rates: 1 /2, 3/5, 2/3, 3 /4, 4/5, 5/6   FFT Size 1K, 2K, 4K, 8K, 16K, 32K.   C/N range (Rice channel) 3dB (QPSK 1 /2) to 24dB (256QAM 5/6)   Pilot Pattern PP1 to PP8   Guard intervals 1/128, 1/32, 1/16, 19/256, 1/8, 19/128, 1 /4.   Channel raster 7 MHz (VHF), 8 MHz (UHF), 1.7 MHz (VHF)-optional   Signal Bandwidth 1.54 (optional), 6.66, 7.61 MHz (Normal mode), 1.57,(optional),    6.80, 7.77 MHz (Extended mode)   Service specific robustness Physical Layer Pipes (PLP)   Interleaving Bit + Cell +Time + Frequency   Diversity SISI, MISO, (SIMO, MIMI if diversity receiver)   Rotated constellations Significant robustness gain in channels with severe degradations    (multipath, SFN operation, narrow band interference…)   Mode of Extensions Future Extension Frame (FEF)   Max Bit Rates (8MHz) 50.3 Mbit/s, (32Ke, 256QAM, CR=5/6, GI=1/28, PP7)   Used Bit Rates (8MHz) Portable SFN: 25.0 Mbit/s, Fixed SFN: 37.0 Mbit/s,    Fixed MFN: 40.2 Mbit/s   GE06 compatible Signal is under the mask of DVB-T (power level measured in a 4 KHz bandwidth)2. MPEG Transmission stream and   video and Audio Decoding   Transmission stream MPEG-2 ISO/IEC 13818   Video decoding MPEG-2/MPEG 4 AVC (H.264), 1920X1080 (High definition-optional)   Aspect Ratio (image rate) 4:3, 16:9   Frame frequency 25Hz (PAL)   Video Resolution 720X576 (PAL)-standard definition,   Audio decoding MPEG/MusiCam Layer I & II / HE AAC   Audio mode Single track/dual track/stereo   Audio sampling rate 32KHz, 44.1KHz 48KHz. , 96 KHz (optional)3. Scanning function • The STB should include a frequency scanning function    to detect the availability of DVB-T signals.   • It should also automatically list the content of the terrestrial bouquet      by reading the PSI/SI streams and   • Be capable of programme memory in case of cut off4. Quality reception thresholds All STBs should have an on-screen visual signal level    indicator which would aid in directing the antenna and    troubleshooting reception problems.5. Software • EPG: current and next programme information. 24x7 days schedule.   • Capable of the Identity control, watch rating and parental lock   • Auto/manual tuning   • 24-hour clock   • OTA: STB software’s, EPG must be upgradable over the air . ( USB Upgrade-optional)   • Support Receive mail   • Provides the instant and personalized message prompt   • Display and withdrawal of subtitles   • Support multi-language info6. Additional Hardware • PVR (optional)7. Teletext & Teletext subtitle • It is able to display Teletext using the OSD and/or    by the insertion of the Teletext data in the VBI of the analogue CVBS video output.   • It is able to display Teletext subtitling, meeting the requirements for level    1.5 in ref. [ETS 300 706, “Enhanced Teletext Specification”]8. Interfaces • RF input connector: IEC 169-2 female, input impedance 75 ohms   • One RCA (CINCH) female connector for video output and Two RCA (CINCH) female      connectors for stereo sound output   • RF by pass (loop) IEC 169-2 male   • RF input via a PAL-G modulator   • SCART interface (optional)   • HDMI interface (optional)   • Should include at least one RF cable to connect the unit with its associated analogue television receiver.     plugged into the set top box. DVB-T2 HD TV receiver 9.  Physical attributes Power supply AC 240±10%, 50 ±1Hz with an option of 12V DC input     Power Energy star option preferred10. Environmental attributes Operating Temperature 0~ 45°COperating humidity Upto 90%11. Reliability MTBF 80,000Hrs