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Position:IcFull.com » IC Electronic information » Category: T

IC Electronic information

The quality of digital cable set-top box review

In Electronic Infomation Category: T | on April 22,2011

Abstract: This paper refers to technical requirements of the State Administration of Radio Industry (GD / J12-2007), digital cable set-top boxes on the current quality problems of analysis and MC33172DR2G datasheet and review, the production of set-top boxes, network testing, and MC33172DR2G price and in purchasing has identified some reference value.

1 Introduction

As China digital TV broadcasting industry and MC33172DR2G suppliers and the rapid development of industry, and the State Administration of Radio Film and Television on digital cable and comprehensively promote the spirit and requirements of different levels all over the conduct of the broadcast and cable digital television services . Users to receive digital cable television system decoder (STB) has been in the broadcast television networks have been widely used, a cable digital television system an important part of the people on the cable digital TV is the most direct visual receptors. Digital cable set-top boxes direct impact on the quality of the people on the cable broadcast digital TV system and service quality * price. In this paper, the technical requirements of radio and television industries GD / J 12-2007 "users to receive digital cable television system decoder (STB) technical requirements and methods of measurement" (provisional) as the basis, focused on the digital cable set-top boxes found in the test network identified some problems.

2 digital cable television set-top box network identified test content

Republic of China Radio, Film and Television industry, according to technical requirements of GD / J 12-2007 "users to receive digital cable television system decoder (STB) technical requirements and methods of measurement" (provisional) in the provisions, cable digital TV set-top box system users need the following tests and * Price: (1) appearance of the structure; (2) functional requirements; (3) standard compliance; (4) parameter validation; (5) input signal and demodulation performance; (6) adjacent channel characteristics; (7) PAL-D analog composite video output and audio output; (8) physical interface; (9) use of the environment and safety; (10) to receive basic EPG requirements; (11) Remote control; (12) Reader Performance ; (13) uninterrupted work requirements; (14) reliability requirements. It can be seen, GD / J 12-2007 "users to receive digital cable television system decoder (STB) technical requirements and methods of measurement" (provisional) for the detection of digital cable set-top box made * Price based on more complete, for the specification the quality of digital cable set-top box made a clear request.

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