What is ringer circuit in telephone hand set, Electrical Engineering

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Q. What is Ringer Circuit in telephone hand set?

Purpose of the ringer is to alert destination party of incoming calls. Audible tone from the ringer should be load enough to be heard from a reasonable distance and offensive enough to make a person want to answer the telephone as soon as possible. In modem telephones, bell has been placed with an electronic oscillator connected to speaker.


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