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

Overview
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Index H...

half-wave antennaRadiation Patterns from Periodic Straight-Wire Antennas
half-wave rectifierBasic Rectifier Circuits
hand receiverHand and Head Receivers
handsetTransmitters for Telephone Handsets
 Modern Telephone Sets
harmonicsPower-System Harmonics
 Effects of Harmonics
Hartley lawBandwidth and Noise in Communication Systems
head receiverHand and Head Receivers
heat coilPrinciples of Plant Protection
high-pass filterHigh-Pass Filter
historyEarly History of Electrical Communication
 Early Views of Electricity and Communication
 The Early History of the Telephone
horizontally polarized waveElectromagnetic Waves
horn gapProtection of Radio Equipment
horn-type loudspeakerHorn-Type Loudspeakers
human earHearing
 The Loudness of Sounds
hybrid coilThe Hybrid Coil

Last Update: 2011-06-06