electronic device and circuit lab items , vi characteristics of pn junction diode specification built in 0-6v for forward bias and0-24v power supply for reverse bias to carryout forward and reverse vi characteristics of pn junction diode experiments provision to connect desk top meters externally, wooden closed cabinet , vi characteristics of zener diodespecification built in 0-6v for forward bias and0-12v power supply for reverse bias to carryout forward and reverse vi characteristics of zener diode experiments provision to connect desk top meters externally, wooden closed cabinet , half wave and full wave rectifier without and with filter specification to observe variation in the ripple with load current without and with filter to observe voltage regulation with load current without and with filter provision to connect necessary desktop meters externally, wooden closed cabinet , bridge rectifier without and with filterspecification to observe variation in the ripple with load current without and with filter to observe voltage regulation with load current without and with filter provision to connect necessary desk top meters externally, wooden closed cabinet , input and output characteristics of ce transistorspecification built in 0-6v power supply in the input side and 0-24v power supply in the collector side to carryout input and output characteristics of transistor in ce configuration experiments provision to connect necessary desk top meters externally, wooden closed cabinet , jfet characteristicsspecification built in 0-6v power supply in the input side and 0-30v power supply in the output side to carryout drain output characteristics and transfer characteristics of jfet experiments provision to connect necessary desk top meters externally, wooden closed cabinet , ujt characteristicsspecification built in 0-12v power supply in the input side and 0-30v power supply in the output side to carryout emitter characteristics of a ujt experiment provision to connect necessary desk top meters externally, wooden closed cabinet , scr characteristics and marking important parameters specification built in 0-12v power supply in the input side and 0-30v power supply in the output side provision to connect necessary desk top meters externally to carryout experiment on vi characteristics of scr to find latching and holding currents built in power supplies and wooden closed cabinet , diac and triac characteristics specification built in 0-6v power supply in the input side and 0-30v power supply in the output side for triac characteristics 0-45v power supply for diac characteristics provision to connect necessary desk top meters externally to carryout vi characteristics of diac and vi characteristics of triac experiments , astable and monostable multivibrators using transistorsspecification to connectrc values to get different frequency in astable multivibrator to connect rc values to get different time delay in monostable multivibrator built in power supply and wooden closed cabinet , common emitter amplifierspecification to study the dc conditions of the amplifier circuit to carry out the frequency response of the circuit provision to connect input signal externally and to measure the output built in power supply and wooden closed cabinet => limited