8 cvbs MPEG-2 encoder DVB-C Modulator with scrambler(8AV in,DVB-C out)
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Chengdu Sochuang Electronics Co., Ltd.
8 cvbs MPEG-2 encoder DVB-C Modulator with scrambler(8AV in,DVB-C out)
in:8 av
out:dvb-c/qam
8IN1 MPEG-2 Encoder DVB-C Modulator with scrambler
Overview
8IN1 MPEG-2 DVB-C Modulator supports SD MPEG-2 video and MPEG-1 audio encoding and qam/dvb-c modulation. It has 8×CVBS video, 8 pairs of unbalanced audio input interfaces, and generate DVB-C RF signal output. It can be used in varieties of digital distribution systems such as digital TV head-end etc.
Technical Specification
Input | Video | 8×CVBS, BNC interface | |||
Audio | 8 pairs of unbalanced audio, BNC interface | ||||
Video | Standard | ISO13818 (MPEG-2) MPEG-2 coding adopt MP@ML (4:2:0) MPEG-2 Adaptive Field Frame (AFF) MPEG-2 Field-Based (FB) rate control: CBR/VBR comply with CCIR601 standard, support 1/2D1, 2/3D1, 3/4D1 | |||
PAL | 720×576, 704×576, 640×576, 544×576, 480×576, 384×576, 352×576 | ||||
NTSC | 720×480, 704×480, 640×480, 544×480, 480×480, 384×480, 352×480 | ||||
BitRate | 1.0~15Mbps continuously adjustable per channel | ||||
Audio | Sampling | 32KHz, 44.1KHz, 48KHz | |||
Code Rate | 64, 128, 192, 256, 384Kbps | ||||
Property | MPEG-1, Layer2, 1×stereo or dual-channel | ||||
Output | Interface | RF, F-head | |||
Frequency | 47MHz~870MHz (1khz step) | ||||
Symbol Rate | 5~9 Msps | ||||
Constellation | 16, 32, 64, 128, 256 QAM | ||||
Error-Correcting | RS code 188/204 | ||||
MER | ≥40dB | ||||
BER | 0 | ||||
Output Level | ≥115dBmV | ||||
Level Attenuation | 0~20dB (0.5dB step) | ||||
Impedance | 75Ω | ||||
Scrambler | support 4×CAS/SMS DVB simulcrypt (ETSI TS 103 197 V1.4.1) | ||||
Control | IP remote | NMS (Ethernet Port, RJ-45), 10/100m base-TX, | |||
Front panel | Keyboard + LCD | ||||
General Features | Size | 482mm×410mm×44mm(1U rack) | |||
Temperature | 0~45°C (Operation); -20~80°C (Storage) | ||||
Power | 220VAC (±10%), 50Hz, 25W | ||||
Order Guide
4207 | 8IN1 MPEG-2 AV encoder DVB-C Modulator with scrambler(8AV in,DVB-C out) |
Network management Software
DVB-C modulator output:
video/audio setting:
Srambler setting:
Nit table edit
Assembling :
Packing:
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