Lowest Price Scrambling and Descrambling System
Product Description The data controller located at the front end of the system generates digital signal via its microprocessor andsend scrambling order to scrambler.
Product Description The data controller located at the front end of the system generates digital signal via its microprocessor andsend scrambling order to scrambler. The end user descrambler descrambles after receiving proper descrambling data and fee-controlling data. The system is succeed in signal-descrambling and image restoration, and it is widely used in the full channel scrambling as well as partial channel scrambling of CATV.
Only one data controller is needed In front of this system, but scrambler can be fixed in many proper points according to needs.
This system also can solve the PTV billing problem effectively.
1 Schematic diagram
2 Characteristics
Special digitalized pulse scrambling method, excellent scrambling effect.
Scrambling and controlling any given point in the system.
Full channel scrambling.
Fine image restoration after descrambling.
Low cost and easy operation and use.
Coded transmitting descrambling signal and controlled data, Fine secret-keeping.
Prevention of illegal pairing or distributable amplification by end user (optional)
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Serial No.
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Item
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Parameter
|
|
1
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TV signal Input level
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55-75dBuV
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|
2
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pilot signal Input level
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50-70dBuV
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|
3
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Input and output return Loss
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≥10dB
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|
4
|
Flatness In Band
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±1dB
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5
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Power Supply
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170-250V/AC 50Hz
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|
6
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Power consumption
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≤3VA
|
Front Data Controller(JXTY-EN)
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Item
|
Parameter
|
Unit
|
|
Input voltage
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AC220±20%
|
V
|
|
Power
|
|
W
|
|
Work temperature
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0~40
|
℃
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|
Weight
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4
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Kg
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Input TV signal level
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72~82
|
dBuv
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Gain
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3
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dB
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Analogue TV signal work bandwidth
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550
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MHz
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Digital TV signal work bandwidth
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750
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MHz
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Flatness
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±1.5
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dB
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System capacity
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30000
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Set(user)
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Computer offline user capacity
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7999
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set
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|
Entitlement capacity to scrambler by one time
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4000
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set
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Entitlement speed (when 1000 users)
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480
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Set/minute
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Warm tips:
Specification and picture are for reference only, the actual item is the standard, welcome to contact our seller
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