DTMF Trainer (MI-CE03)

  • Phase 3
  • Automation Grade Automatic
  • Dial Pulse Ratio 67:33%
  • Key Board 4×4 Matrix Key Board

 

 

 

 

Description

Learning’s

  • Study of the telephone by line connection or by onboard power supply.
  • Study of the Polarity Protection Block.
  • Study of the Working of Key Matrix Section.
  • Study of the Working of Ringer Circuit.
  • Study of the Working of Dialer Section & of DTMF
  • Signals Using High Pass Filter and Low Pass Filter.
  • Study of the Working of Sound Section or Speech Section.
  • Study of the Telephone Trainer by Switched Faults.