Two Input Nand Gate

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To demonstrate the function of operational amplifier using TL081 and L272 with discrete components different value of resistors, capacitor. Input can be applied from microphone, LDR. Offset null control is also provided. Output can be fed through the power amplifier into a loudspeaker.

Objective : To study Efficiency and Ripple factor in case of Half wave, Full wave and Bridge rectifier on application of load and filters. Features : Instrument comprises of AC Power Supply, 3 meters to measure Output Voltage, Output Current and ripple factor on electronic AC Voltmeter, 4 PN Junction Diodes, Filter Circuit kit, load Resistances selectable using bandswitch and all important connections points at 4mm Sockets. Optional Acc : Digital AC millivoltmeter.

This Trainer Consist of : 1. Regulated power supply of ± 12 V / 250 mA. 2. Variable 0 to ±5 V / 250 mA. 3. Sine wave oscillation of 1 KHz. 4. Digital Voltmeter of 0-20 V DC, LCD display, 3 ½ Digit. 5. Functional diagram of IC 741 is printed with 2 mm sockets. 6. One extra 8 pin IC Base with 2 mm sockets. 7. Potentiometer of 10K Ohms. 8. Required Resistance and Capacitances mounted on board. 9. Interconnection Leads and Manual to perform 15 experiments on IC741 e.g. inverting, non-inverting, summing, difference, multiplier, differentiator, integrator etc.