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
Introduction
Passive or Generator-Type
Telephone Transmitters
Active or Modifier-Type
Telephone Transmitters
The Single-Button Carbon-Granule
Telephone Transmitter
The Functioning of the
Carbon Granules
Transmitters for Telephone
Handsets
Telephone Transmitter Operation
in Resistive Circuits
Distortion Produced by
Telephone Transmitters
The Magnetic 'Sound-Powered'
Telephone Transmitter
The Double-Button Carbon-
Granule Microphone
The Condenser Microphone
The Moving-Coil or Electro-
dynamic Microphone
The Ribbon or Velocity
Microphone
The Crystal Microphone
Combined Pressure and
Velocity Microphone
Microphone Calibrations
Telephone Receivers and
Loudspeakers
Types of Motor Elements
Magnetic-Armature Motor Element
Moving-Coil (Electrodynamic or
Dynamic) Motor Element
Types of Acoustic Radiators
Dynamic Loudspeakers
Horn-Type Loudspeakers
Hand and Head Receivers
Theory of Telephone
Receiver Operation
Input Impedance of Telephone
Receivers
Receiver Characteristics with
Diaphragm Blocked
Receiver Characteristics with
Diaphragm Free
Receivers for Telephone
Handsets
Miscellaneous Receivers and
Loudspeakers
Acoustic Tests
Power Output and Efficiency of
Receivers and Loudspeakers
References
Review Questions
Problems
Electric Networks
Transmission Lines
Cables and Wave Guides
Electronic Applications in
Communication
Telegraph Systems
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