Modern Cable Television Technology, 2nd Edition

Chapter 7 Signal Reception

7.1 Introduction

This chapter is the first of three devoted to the headend. Chapter 7 covers the ways in which signals get into the headend. Chapter 8 will cover the electronics used in processing the signals once they get into the headend, and Chapter 9 will cover topics related to the signals after they have been processed.

Chapter 7 deals primarily with antennas of various types used to capture signals for the headend, and with propagation of signals from the source to those antennas.

Although cable operators usually use antennas to receive signals, antennas are sometimes described in terms of their operation when transmitting signals. The principle of duality applies, which states that an antenna is capable of ...