Chengdu Newstar Co., Ltd.| Manufacturer
Chengdu Newstar Co., Ltd.

China Manufacturer with main products: QAM Modulator, QPSK modulator, COFDM modulator , completed solution for the digital head end

Home  >Products Catalog > CATV Collective Scrambling and Descrambling Charging Management System

CATV Collective Scrambling and Descrambling Charging Management System

Supply Ability: 20,000 Set/Sets per Month
Shipping: 25-30 days
Payment Terms: L/C, T/T(Bank Transfer), Western Union
Place of Origin: Sichuan in China
Packaging Details: Carton packaging

Specifications

Introduction:
This CATV Scrambling and Descrambling management and control system is applied to the digital TV / simulative TV mixed transmission CATV network on the 550MHZ (or 750MHZ) bandwidth.
It can be individually used to simulative TV web and digital TV network, and it can be used together in the scrambler and descrambler or addressable charge manage system, this is the unmatchable specialty not any other system can be comparable.
The Main functions:
1: Inductive control to avoid several televisions views the same TV programs.
2: With no effect to digital TV signal, the descramble quality is like DVD image; with small effect to simulated TV image, good image reductive.
3: Using digital portfolio scrambling technology on RF, hard to decoding, high security.
4: The RF signal of circuitry is scrambled entirely and can’t be stolen, there is no need to change the network, less investment, quick effectiveness, easy to install, the main components is the imported materials, stable performance and reliable operation
Technical specification
System Technique:
Max Scrambler bandwidth: 45-750MHZ
Serial interface: RS232
Suitable system: PAL-D/K
Numerical controlled scrambler technique:
Working frequency range: 45-750MHz
Output MER of RF: 75-85db μV     
Input MER of RF: 75-85db μV     
Restraining Noise ratio: ≥60db
Input / Output impedance: 75Ω
Descrambler technique:
Working frequency range: 45-750MHz
Output MER of RF: 65±10db μV     
Input MER of RF: 65±10db μV     
Restraining Noise ratio: ≥51db
Input / Output impedance: 75Ω

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