User:Ajoyz/Books/Telephone Hybrid Coil

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Telephone Hybrid Coil

Hybrid coil
Transformer
Coil
Characteristic impedance
Voice frequency
Two-wire circuit
Four-wire circuit
Four-wire terminating set
Repeater
Telephony
Line card
Ground (electricity)
Balanced circuit
Telephone
Telephone hybrid
Sidetone
Carbon microphone
Impedance matching
Antenna (radio)
Hybrid coupler
Magic tee
Rat-race coupler
Public switched telephone network
Plain old telephone service
Echo cancellation
Least mean squares filter
Echo suppressor
Voice over IP
Pars pro toto
Adaptive feedback cancellation
Remote pickup unit