| | Sector | abcEducation And Research Institute | Tender Value | INR 7 Crore | | Location | West Bengal - India | Ref.No | 33258012 | | Closing Date | 08 - Feb - 2019 | | | | Supplying Different Instruments - Measurement Of The Hall Coefficient Of A Given Sample And Calculation Of Its Carrier Concentration, To Design And Construct A Stabilized Power Supply (constant Voltage Source) Using Discrete Devices And To Study The Variation Of Load Voltage With Load Current. Show Also The Variation Of Load Voltage With Load Current Using Ic 78xx., To Design And Construct Constant – K Type (a) Low Pass (b) High Pass (c) Band Passfilters (using ? Section) And To Study The Variation Of Attenuation And Phase Constants Of These Filters With Input Frequency. Todetermine The Cut Off Frequencies And To Compare With Theoretical Values., To Study The Variation Of Output Voltage With Frequency And Load Resistance For Agiven Class-B Push Pull Amplifier And To Obtain The Variation Of Output Power With Frequency And Load Resistance., To Design And Construct Clipping And Clamping Circuits Using Diodes And To Study The Variation Of Output Amplitude And Wave Form Using Cro., To Design An Astable Multivibrator Using Bjt And To Study Its Output Waveform And Frequency For Various Rc Values. To Study How The Output Can Be Converted To A Square Wave Using Clipping Circuit., To Design A Uni-Junction Transistor Circuit And Draw Its Characteristic Curves For Different Values Of Supply Voltage. Use It As A Saw - Tooth Wave Generator And Determine The Frequency Of Oscillation., To Design A Circuit Diagram And Study The Voltage Gain, Input Impedance, And Powergain Of An Emitter Follower., To Study The Artificial Transmission Line (tl) At Low Frequency (<<1khz) And To Determine The Line Parameters Of The Given Tl., To Construct Using Opamp, (i) Differentiator (ii) Integrator (iii) Adder-Subtractor Circuits. To Study Their Performance For Different Time Varyinginputs., To Determine Cmrr, Input Offset Voltage, Output Offset Voltage, Input Bias Currentand Slew Rate Of An Op- Amp., To Design And Construct A Wein-Bridge Oscillator Using Opamp And To Study Itsoutput Waveform And Frequency For Various Rc Values., To Study Op-Amp As A Function Generator, I.E. As (a). Square Wave Generator(B). Triangular Wave Generator, To Construct Half-Adder And Full-Adder Circuits Using Logic Gates And To Perform Some Simple 2'S Complement Adder-Subtractor Operations (two Decimal Digits), A) To Construct X-Or Gate Using Nand Gates And To Verify Truth Table. (b) To Convert Two Inputs Nand Gate To Two Input Or Gate. (c) To Construct Nor Gate Byusing Other Gates And Hence Verify The Truthtable., Determination Of Ultrasonic Velocity In Liquids Using An Ultrasonic Interferometer., Study Of Absorption Lines Of A Substance Using A Spectrograph, To Study The Spatial And Temporal Coherence Of Laser Using Michelson's Interferometer, To Study The Characteristics Curve Of G.M. Counter, And (a) To Study The Statistical Fluctuation In Cosmic Ray Background Radiation, (b) To Study The Decay Of Activity Of An Artificially Activated Source, (c) To Find Out The Gamma Counting Efficiency Of G.M. Tubes, (d) To Study The Gamma Absorption In Lead, (e) To Study The Beta Absorption In Aluminum And Hence To Determine Maximum Beta Energy., To Calibrate The Given Condenser And To Determine The Values Of Unknown Resistance And Capacitance, To Find Out The Dielectric Constant Of A Liquid Using A Transmission Line dielectric Constant Kit For Liquid., To Determine The Excitation Potential Of A Gas Using Frank-Hertz Tube., Determination Of Curie Temperature Of A Ferromagnetic Material, To Study The Optical Absorption Of A Semiconductor And Determination Of Its Band Gap., Study Of Zeeman Effect , Determination Of E/M Ratio Using A Magnetron, Nitrogen Gas Generator, Measurement Of Dielectric Constant Of A Polar Liquid As A Function Of Temperature And Determination Of The Dipole Moment, Measurement Of The Energy Gaps Of (i) Silicon And (ii) Germanium., Measurement Of The Coercive Field And Saturation Polarization Of A Ferroelectric Sample, Study Of The Characteristics Of A Photo-Diode And Calculation Of Its Efficiency Of Energy Conversion., Determination Of The Transverse Magneto-Resistance Coefficient Of A Given Sample And Finding The Mobility Of The Carriers, Determination Of The Concentration Of Colorcenters In An Alkali Halides Crystal., Oscillator , Desktop Computer Advanced, Laser Printer Monochrome, Laser Printer Colour, Over-Head Projector, Design And Construct Butterworth First Order, Second Order And 4th Order Low Pass, High Pass Filters. Plot The Frequency Response Plot The Frequency Response Plot The Frequency Response Filters. Determine The Phase Angles And The Cut Off Frequency., Using An Ic-555 Construct The Following Circuits And Study Them (a) Astable Multivibrator (b) Schmitt Trigger (c) Saw Tooth Wave Generator (d) Voltage Controlled Oscillator Generator, Design And Study The Following Properties Of A Positive Voltage Power Supply Using An Ic 723. (i) Variation Of Output Voltage With Input Voltage. (ii) Effect Of Load Current On Stabilized Output Voltage |
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