Transistor Characteristics For Electrical Lab Training

common emitter and common collector. This training board is an improved version with germanium npn & pnp transistors in addition to silicon npn & pnp transistors and four meters. The board is absolutely self contained and requires no other apparatus. practical experience on this board carries great educative value for science and engineering students. Object: To study and plot the transistor input and output characteristics in the following configurations : 01. Common emitter mode. 02. Common base mode. 03. Common collector mode. Features: The board consists of the following built-in parts : 01. Two 0-10v d. C. At 200ma, continuously variable power supplies for base emitter & collector emitter junctions. 02. Two d. C. Ammeters, 65mm rectangular dial with switch selectable ranges of 200 ma &10ma. 03. Two d. C. Voltmeters, 65mm rectangular dial with switch selectable ranges of 1v and 10v. 04. Two silicon (npn & pnp) transistors and two germanium (npn & pnp) transistors. 05. Adequate no. Of other electronic components 06. Mains on/off switch, fuse and jewel light. The unit is operative on 230v ±10% at 50hz a. C. Mains. Adequate no. Of patch cords stackable from rear both ends 4mm spring loaded plug, length ½ metre. Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveforms. Strongly supported by detailed operating instructions, giving details of object, theory, design procedures, report suggestions and book references. Weight : 5 kg. (approx. ) Dimension : w 412 x h 150 x d310

Transistor characteristics Experimental training board has been designed specifically to study the transistor input and output characteristics in different modes i. E. Common base,