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More than Circuit EngineeringSignal Phase Compensation in Telephone
Схемы >> Circuits in Practical Use >> Signal Phase Compensation in TelephoneSignal Phase Compensation in Telephone
Signal Phase Compensation is used in Telephones for Sound reinforce. Pic.1. Typical Circuit of Signal Phase Compensation in Telephone is represented.
Pic. 1. Telephone Signal Phase Compensation Circuit.
Signal from a Microphone M reinforces on Transistor Q1. Signal runs to the Transistor Base Q2. The Phase will be turned on 180°. These Opposite Phase Signals run to the Point A. Opposite Phase Signals adds together: s(t) + (-s(t)) =0.
Pic. 2.
Telephone Signal Phase Compensation Circuit on IC KS5805A.
(Click
to enlarge the Circuit)
Pic. 3.
Telephone Signal Phase Compensation Circuit on IC WE91928.
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to enlarge the Circuit)
Pic. 4.
Electrodynamics Microphone Connecting Circuit.
Pic. 4. Connecting of Electrodynamics Microphone.
added 23.07.07 19:12:07 | 
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