A general introduction about hybrid fiber coax (HFC) systems has been provided in previous chapters. HFC system transport consists of digital data and video data. The video data can be in either analog or digital modulation scheme. In this chapter, the concept of TV and its signal structures will be reviewed. Community access television (CATV) tests will be reviewed in relation to system-level design approaches affecting the structure and architecture of analog optical receivers. In addition, the meaning and effects of system level tests over TV image performance will be explained.
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