Electronics Projects
Digital Headend QAM HD Encoder Modulator CVBS ASI RF For Video Audio Encoding
SFT3542 2*CVBS TO DVB-C
Description
Digital Headend QAM HD Encoder Modulator CVBS ASI RF For Video Audio Encoding
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SFT3542 Wall Mounting Digital Headend Equipment,2 channel CVBS 1 ASI in and RF input to DVB-C Encoder Modulator
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Quick Detail:
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# 2 channel CVBS in, 1 ASI in, RF in
# MPEG-2 low bit rate encoding
# 720*576(PAL), 720*480(NTSC)
# Support all DVB-C QAM modes(J.83A/B/C)
# LCN support (Logical Channel Number)
# Excellent modulation quality MER≥42dB
# RF Frequency range 30Mhz~860Mhz
# LCD display, Remote control and firmware
# Updates via web/Ethernet
# Multi- application
# Lowest cost per channel --- breakthrough price
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Description:
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SFT3542 is a device integrating MPEG2 encoding and DVB-C modulator to convert 2 channels CVBS A/V signal and one ASI input to DVB-C RF in the frequency range of 30~860MHz.
The signals source could be from satellite receivers, closed-circuit television cameras, Blue-ray players, and antenna etc. its output signal is to be received by a DVB-C standard TV, DVB-C STB.
The device can be used in public place such as metro, market hall, theatre, hotels, resorts, etc for advertising. It also can be used for monitoring, training and educating in company, schools, campuses, hospital.
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Specifications:
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Encoding section
Video
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Encoding | MPEG-2 MP@ML(4:2:0) |
Input | CVBS*2, ASI*1 |
Resolution | 720*576(PAL), 720*480(NTSC) |
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Audio
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Encoding | MPEG1 Layer II |
Sample rate | 48KHz |
Bit rate | 64kbps, 96kbps,128kbps, 192kbps, 256kbps, 320kbps |
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DVB-C modulator section
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Standard | J.83A(DVB-C)? J.83B? J.83C |
MER | ≥42dB |
RF frequency | 30~860MHz, 1KHz step |
RF output level | -30~ -10dbm(81~97 dbμV), 0.1db step |
Symbol rate | 5.0-9.0 Msps |
J.83A | ? |
Bandwidth | 8M |
Constellation | 16QAM, 32 QAM, 64QAM,128 QAM, 256 QAM |
J.83B | ? |
Constellation | 64QAM, 256QAM |
bandwidth | 6M |
J.83C | ? |
Constellation | 64QAM, 256QAM |
bandwidth | 6M |
? Scrambling | ? |
Max simulscrypt CA | 4 |
Scramble Standard | ETSI 101 197,ETSI 103 197 |
Connection | Local/remote connection |
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Interface
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Local interface | LCD + control buttons |
Remote management | Web NMS |
Language | English |
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General
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Power supply | AC 100V~240V |
Dimensions | 245*268*44mm |
Weight | 2.6kgs |
Operation temperature | 0~45℃ |
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Read More
Hangzhou Softel Optic Co., Ltd
CATV Optical Transmitter
Address: Haiwei Building, No.101 Binkang Road, Binjiang District,
Hangzhou, Zhejiang
China, 310000
Tel: 86-571-88983280
Fax: 86-571-88983280
