SALIENT FEATURES :
* Completely self – contained stand – alone unit.
* Demonstrates the principle and working of a Telephone Pick – Up And Amplifier.
* Supply required 230V, 50Hz AC.
* Built – in IC based DC regulated power supply with short circuit protection and LED indication for supply “ON”.
* The system consists of a Telephone Pick-up unit and an amplifier unit.
* The system uses an indirect approach as direct electrical connection to interior of a telephone is forbidden.
* The telephone unit consists of a specially designed coil, which works on the magnetic principle.
* The amplifier pick – up unit consists of a very stable amplifier, which amplifies the very low AC voltage input from the pick – up unit.
* Volume control for the output provided.
* Test points are provided at various stages in the circuit to observe the waveforms and voltages.
* Housed in an elegant cabinet with a well spread intelligently designed circuit layout on the front panel.
* Strongly supported by a comprehensive instruction manual completely with theory and operation details.