Electrical Communication is a free textbook on the basics of communication technology. See the editorial for more information....

 
 

Editorial
Preface
Download and Release History
Copyright
Early History of
Electrical Communication
Fundamentals of Acoustics
Electrical Fundamentals of
Communication
Electroacoustic Devices
Electric Networks
Transmission Lines
Cables and Wave Guides
Electronic Applications in
Communication
Telegraph Systems
Introduction
Neutral Direct-Current
Telegraph Systems
Nature of Currents in Neutral,
or Single-Current, Systems
Neutral, or Single-Current,
Telegraph Relays and
Repeaters
Polar Direct-Current
Telegraph Systems
Nature of Currents in Polar, or
Double-Current, Systems
Duplex Operation
The Bridge Duplex System
The Differential Duplex System
Printing Telegraphy
Start-Stop Printing Telegraphy
Multiplex Operation
Automatic Sending
Telegraph Lines and Cables
Telegraph Transmission Theory
Telegraph Distortion
Regenerative Repeaters
The Varioplex System
Carrier Telegraph Systems
Teletypewriter Exchange Systems
Telegraph Switching Systems
Simultaneous Telephone and
Telegraph Operation
Interference in Composited Circuits
The Metallic Telegraph System
Facsimile Transmission
Submarine Telegraph Cable
Service
References
Review Questions
Problems
Telephone Exchange Service and
Systems
Telephone Toll Service and
Systems
Radio Wave Propagation and
Antennas
Radio Systems
Interference and Noise

Last Update: 2011-06-06