DTMF Telephone Trainer

Detailed Product Description
Telephone Trainer helps students to understand the basic concept and functional working of telephone. The unit can be used as a Trainer and also as a stand alone actual phone. The mimic is provided on the PCB.The components are mounted on single which helps student to understand the working of each block of telephone. The detailed student Workbook is provided which covers the theory and the step by step procedure to perform experiment. Features Mimic is provided on a single PCB explaining various blocks of telephone On/Off Hook Switch,Dialer,Ringer,Speech Processing Section DTMF(Tone) and Pulse Dialing Understanding of use of Diode Bridge Two special test points are provided to observe isolated dual frequency output during DTMF Dialing No external power is required for the study of various blocks of Telephone While making a call and to have conversation with the called subscriber user need external Telephone Line Test Points and LEDs are provided to observe various signals switchable faults are provided to understand the functioning of each circuit Detailed student workbook covering the theory and the step by step procedure to perform the experiment -power point presentation CD on Telephone trainer. Experiments that can be performed study of Telephone circuit. Understand pulse Dialing. Understand DTMF Dialing. Study of dialing Key Matrix Block. Study of Speech circuit. To dial another subscriber. To receive Call from Subscriber. Study of ringer Circuit. Study of polarity Protection Circuit. Study of Voltage dropper Circuit.