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

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Index F...

F layerThe Ionosphere
facsimileFacsimile Transmission
 Facsimile Transmission
fadingSky-Wave Propagation
far zoneProduction of Electromagnetic Waves
faxFacsimile Transmission
feedbackFeedback
feedersAntenna Feeder Systems and Impedance-Matching Networks
female voiceSpeech Power
field of auditionThe Field of Audition
filterElectric Wave Filters
 'Constant-k' Filter
 Low-Pass Filter
 High-Pass Filter
 Band-Pass Filter
 The Band-Elimination Filter
 Composite Filters
 m-Derived Sections
 Design of a Composite Filter
 Lattice-Type Filters
 Quartz Crystal Filters
 Rectifier Filters
 Cutout in Rectifier Filters
flutterLoading Phantom Group Circuits
FMFrequency and Phase Modulation
folded-dipole antennaFrequency-Modulation Radio-Telephone Receivers
four-party lineLine Connections in Common-Battery Systems
four-wire repeaterFour-Wire Repeater
FranklinEarly Attempts at Electrical Communication
frenophoneMiscellaneous Receivers and Loudspeakers
frequency distortionDistortion
frequency invertingTransoceanic Low-Frequency Radio-Telephone Systems
frequency modulationCarrier Telegraph Systems
 Frequency and Phase Modulation
 Methods of Producing Frequency-Modulated Waves
frequency multiplierFrequency Multipliers
frequency responseAcoustic Tests
frequency-modulationFrequency-Modulation Radio-Telephone Transmitters
frequency-modulation broadcastAntennas for Amplitude-Modulation Broadcast Stations
frequency-shift keyingFrequency-Modulation Radio-Telephone Transmitters
frictional loudspeakerMiscellaneous Receivers and Loudspeakers
FSKFrequency-Modulation Radio-Telephone Transmitters
full-duplex operationDuplex Operation
full-wave rectifierBasic Rectifier Circuits
fusesPrinciples of Plant Protection

Last Update: 2011-06-06