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ST-7990 ST-7990 modulator is developed to adapt global terrestrial digital television.It's mainly applied in home entertainment, surveillance control, hotel Digital Signage, shops etc. And it is integrating MPEG-4 AVC/H.264 encoding and modulating to convert HD/AV signals into DVB-T/DVB-C/ISDB-T RF out. Order
● High level of integration, high-performance, Fullfeatured,integrated design
● 4 route input modulator convert to 4 DVB-T/DVB-C/ISDB-T channels
● Standard COFDM modulation and H.264 encoding
● Multiple video format compatibility including 576i(PAL)/ 480i(NTSC) / 1080p
● Bandwidth: 6/7/8MHz
● Frequency range: 100~860MHz
● Continuously adjustable RF signal step 1dBuV
● 2.4-inch color LCD display
● Small size and light weight
● Carriers 2K and 8K
● User friendly setup and control
● Compact and wall mountable
DVB-T Mode
MER >32dB
Constellation  QPSK / 16QAM / 64QAM
Bandwidth 6 / 7 / 8 MHz
Carriers 2K / 8K
Guard Interval 1/4, 1/8, 1/16, 1/32
Code Rate 1/2, 2/3, 3/4, 5/6, 7/8
Frequency Range 50 ~ 860MHz
Attenuator 0 ~ 30dB
Output Impedance 75Ω
DVB-C Mode
Bandwidth 8M
Symbol Rate 6875kbps, editable
Constellation QAM-16/QAM-32/QAM-64/ QAM-128/QAM-256
MER >32dB
Frequency Range 50 ~ 860 MHz
Attenuator 0 ~ 30dB
Output Impedance 75“Ω
Video Output
Video Resolution 11920*1080_30P, 1920*1080_25P; 1920*1080_30i, 1920*1080_25i; 1280*720_30p, 1280*720_25P
ISDB-T Mode
Bandwidth 6M
Carrier 2K/4K/8K
Constellation QPSK/QAM-16/QAM-64
Code Rate 1/2, 2/3, 3/4, 5/6, 7/8
Guard Interval 1/4, 1/8, 1/16, 1/32
MER >32dB
Frequency Range 50 ~ 860MHz
Attenuator 0 ~ 30dB
Output Impedance 75Ω
HD Input
Compression H.264 - bitrate 1-20 Mb/s
Video Resolution 1920*1080_60P, 1920*1080_50P; 1920*1080_60i, 1920*1080_50i;1280*720_60p, 1280*720_50P
Connector HD
General
Power Source DC 12V/1.5A
Operating Temperature 0 ~ +45°C
Dimensions 280mm(L) ×203mm(W) × 61mm(H)
Weight 1.56Kg
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