Basic working principle of a telephone is very important in telecom. This trainer helps students understand the functional working of an actual telephone. It provides in depth explanation of the different sections of a DTMF Telephone. Test points are provided to observe different signals which help in understanding different blocks of a Telephone.
Features:
- Required Circuits Tested
- Each Section Clearly Marked for Input and Output
- Polarity Protection
- Monolithic Dialer, Ringer and Driver
- Each Section Clearly Marked for Easy Understanding
Technical Features:
- Operation: Stand Alone
- Input Power: From Telephone Line
- Handset: Handset connection Port (RJ-11)
- Dial Pad: 4×4 Matrix Key Pad
- Dialer Section: DTMF (Tone) and Pulse Dialing Redial upto 32 digits with Hook Switch detection
- Indication: Line On / OFF Pulse Dialing Indication, Tone Dialing Indication
- Control: Ringer Volume Control
- Dial Pulse Ratio: 66 to 33 % Make / Break Ratio (approx.)
- Test Points: To observe various signals / voltages to understand the working of Telephone
- Switch Faults: 4 Nos.
- Interconnections: 2 mm gold plated pins
Accessories: Power cord, Experiment Manual and 2mm patch cords
