CHAPTER 4.4 AM Antenna Coupling and Phasing Systems
JERRY WESTBERG
Broadcast Electronics Quincy, Illinois
INTRODUCTION
It is the purpose of this chapter to provide reference material to those who may desire further understanding of phasing and matching circuitry for AM antenna systems. Design equations are given for the most common phasing, matching, and diplexing circuits, procedures are given for the design of both phasing and diplex systems, and some rules of thumb for the successful design and implementation of these circuits are also provided.
THE NOT SO SIMPLE L NETWORK
An L network is the simplest way to transform one resistance to another. It uses the fewest components of any of the standard circuits, requiring only two reactive elements. ...
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