Product Description

We are distinguished in dealing a wide series of DTMF Telephone Trainer. It is to create the faults in the instruments. This trainer is a robotics system in which robot can control with the help mobile phone keypad. It is a technology which is used to dial telephone numbers or to issue commands to switching systems. DTMF Telephone Trainer is also aid for transfer of data. It is suited for working on laptop laboratories and other applications. 

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

• 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.