Executive Summary
This document is one in a series of technical monographs providing a high-level overview of a given topic. Here, carrier-to-noise ratio is discussed.
Scope
Carrier-to-noise ratio (CNR or C/N) is an important metric for the cable industry, in large part because of its impact on signal quality. Requirements in [FCC Rules] specify the minimum CNR for analog TV channels carried in cable networks. This technical monograph explains what CNR is, how to calculate it, and provides tips for its measurement.
Benefits
The material in this document can be used as part of technical training programs, a tutorial for individuals seeking a high-level understanding of carrier-to-noise ratio, and/or a refresher for those who may have forgotten some of the fundamentals of the topic.
Intended Audience
The intended audience for this document includes technical personnel from installers to engineers. The material is also suitable for those new to the cable industry.