61
A.2
Technical Specifications
1. Tuner & Demodulator
Parameter
Specifications
Input Connector
1 X IEC169-2, female
Loop through Connector
1 X IEC169-2, male
Input Signal Frequency
VHF 174~230 MHz, UHF 470~860MHz
Input Signal Level
-90~-20dBm
Input impedance
75 Ohms nominal
IF Centre Frequency
36.167 MHz
IF Bandwidth
6.66 MHz, 7.61MHz
Waveform
OFDM
Transmission mode
2K FFT, 8K FFT
Constellations
QPSK, 16QAM, 64QAM
Code rate
1/2, 2/3, 3/4, 5/6, 7/8
Guards intervals
1/4, 1/8, 1/16, 1/32
FEC decoder
Reed-Solomon Viterbi
Decoder, for 16 parity bytes
Block lengths 204 byte
MCPC and SCPC
Supported
2. MPEG
Parameter
Specifications
Transport Stream
MPEG-2 ISO/IEC 13818 Transport Stream Specification
Video
MPEG-2 MP@ML, MPEG-4 H.264/AVC
Audio
MPEG-1/2 Audio Layer 1/2/3, Dolby Digital Plus, MPEG-2/4 AAC
Video bit rate
1.5-15 Mbps
Active pixel
1920x1080p50, 1920x1080i, 1280x720p, 720x576p, 720x576i
Aspect ratio
4:3 or 16:9
Audio Mode
Stereo, Dual channel, Joint stereo, Mono
Audio Sampling frequency
32 kHz, 44.1 kHz, 48 kHz
Содержание T2400
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