Transistor lab manual pdf

A 12v supply voltage is given by using regulated power supply and output is taken from collector of the transistor. This laboratory manual has been prepared as a guideline to help students of undergraduate courses to carry out basic experiments in analog communication in the laboratory. In next weeks lab, we will use the 5v ttl transistor transistor logic output of your function generator to drive a light bulb. The eki 30inone science electronic lab was designed to provide science teachers and electronic. Figure 1b shows how the emitter voltage from the first transistor is the base voltage of the second transistor, making the darlingtonpair transistor a more effective linear amplifier. Manual find, read and cite all the research you need on researchgate. If a lowinput signal is applied, then a highoutput signal is created. In a class a amplifier, the transistor conducts for the full cycle of the input signal 360 used in lowpower applications the transistor is operated in the active region, between saturation and cutoff the load line is drawn on the collector curves between saturation and cutoff. Be sure of location of fire extinguishers and first aid kits in the laboratory. Since an integrated circuit is constructed primarily from dozens to even millions of transistors formed from a single, thin silicon crystal, it might be interesting and instructive to. We have assembled a computer driven system for automatic measurements of these quantities. This work is freely redistributable for noncommercial use, sharealike with attribution. You will be using a 2n2222 transistor so your data will be different. Student manual for the art of electronics by hays and horowitz spring 2015, 4802l department of physics university of florida 2015.

In next weeks lab, we will use the 5v ttl transistortransistor logic output of your function generator to drive a light bulb. Experiment 6 transistors as amplifiers and switches our final topic of the term is an introduction to the transistor as a discrete circuit element. Make sure that your hands are clean and dry when you use the computer. Observation book of the present lab experiment should be get corrected on the same day and record should be corrected on the next scheduled lab session. To study ujt trigger circuit for half wave and full wave control. This book is written in a way that a student with basic understanding on electronic circuit theory can learn the theory and experiment the basics of analog communication. The bottom of the panel holds eight transfer jacks, wired to the interconnect panel. If the two p doped regions are next to each other then and what results is a npn transistor. Pdc lab dept of ece, lendi institute of engineering and technology page 2 list of experiments minimum twelve experiments to be conducted. Frequency response of single stage bjt and fet rc coupled. Laboratory manual 5for linear electronics introduction this manual is intended for use in a linear semiconductor devices course and is appropriate for two and four year electrical engineering technology curriculums.

Rings and necklaces are usual excellent conductors of electricity. The design should provide maximum possible voltage swing at the amplifier output. For half wave rectifier with capacitor filter find line and load regulation and ripple factor. Multistage amplifier cascade and cascode connection. If the transistor is biased to cut off, the output voltage at the collector will be high vcc. It is mandatory to come with observation book and lab record in which previous experiment should be written in record and the present labs experiment in observation book. Ecen 326 lab 1 design of a commonemitter bjt ampli. Bipolar junction transistor characteristics page 3 figure 2. Engineering 162 laboratory manual spring 2004 5 several of the lab exercises, particularly labs 4, 5 and 7 require measurements of the gain and phase shift of amplifiers as functions of frequency. Due to large power handling the transistor is used power transistor which is large in size and having large power rating. This is a laboratory manual for analog communication experiments. The transistor characteristics are useful in amplifier design as well as understanding how transistors operate.

Npn transistor, 2n3906 pnp transistor, and mpf102 n channel jfet. Fiore is ed under the terms of a creative commons license. Multistage amplifier current mirror and darlington. The tip 120 transistor that we use in the lab figure 1b is a combination of two transistors, which form a configuration known as a darlingtonpair. For an npn transistor a positive voltage at the base will switch the transistor into saturation state. Laboratory manual for semiconductor devices dissidents. Integrated circuits lab manual eec551 department of electronics and communication engineering 27, knowledge parkiii, greater noida, u. Power electronics laboratory manual introductory material viii which is also connected to an adjacent set of duplex outlets. The data below were collected for the example of a npn 2n36443 transistor using the circuit below. In general a diode consists of a junction between two. The most useful and the one which contains the most information is the output. Do not take any item from the lab without permission. Applications include rectifying, clipping, clamping.

There is a ground jack for access to a solid earth ground. Components and equipments required transistor, dc source, capacitors, resistors, bread board, signal generator, multimeter and cro. At high frequencies transistors have finite switching delays due to. To plot vi characteristic of junction diode and zener diode. Since an integrated circuit is constructed primarily from dozens to even millions of transistors formed from a single, thin silicon crystal, it. Draw a circuit for measurements of characteristics of a depletion mode, nchannel jfet, described in part 1 of the laboratory below. Static transistor characteristics for ce, cb and cc modes and determination of h parameters. Observation book and lab record should be carried to each lab. Intentional misconduct will lead to expulsion from the. Ec 2 lab manual with circulits linkedin slideshare. The 2 or 3digit number following the letter n is a serialized identification number. Applications of jfet as a current source and a variable resistor. The letter n following the first number indicates a semiconductor.

Study transistor phase shift oscillator and observe the effect of. Two laboratory diodes wired backtoback will not make a transistor. This lab manual was designed with a progressive order of complexity. Figure 1b shows how the emitter voltage from the first transistor is the base voltage of the second transistor. In this design the bias voltage between emitter and collector should be 5v dc. When transistor is in saturation, the voltage at the collector will be very low vce sat. This text covers the theory and application of discrete semiconductor devices including various types of diodes, bipolar junction transistors, jfets, mosfets and igbts. If vce is large then the power dissipated inside the transistor icevce will. Transistor 2n3906 transistor 2n3904 scr o ftft iff wires. In voltage shunt feedback amplifier, the feedback signal voltage is given to the base of the transistor in shunt through the base resistor rb. The dc characteristics of bjts can be presented in a variety of ways. Srinivasa rao lecturer in ece department of electronics and communication engineering bapatla engineering college, bapatla. Tuned amplifier using ift choose transistor bf 194195. After completion of experiment, return the bread board, trainer kits, wires, cro probes and other components to lab staff.

Electronic circuits ii bapatla engineering college, bapatla. Please note that the latest versions of all texts and manuals in both pdf and. Familiarity with basic characteristics and parameters of the jfet. Saeid rahimi lab 7 transistors and transistor applications introduction as we mentioned before, diodes have many applications which are based on the fact that diodes conduct in one direction and not the other. Do not wear loosefitting clothing or jewellery in the lab. It is mandatory to come with observation book and lab record in which previous experiment should be written in record and the present lab s experiment in observation book. Eca lab manual dept of ece, lendi institute of engineering and technology page disadvantages. Equipment, tools and simple resistor circuits page 2 lab 1. Measure the voltage across the light bulb and compare with your quantitative and qualitative results from lab exercise 41 if necessary repeat lab exercise 41. Experiment 6 transistors as amplifiers and switches. In designing a transistor switch you want most of the voltage drop to be across your device. To study singlephase half wave controlled rectified with i resistive.

Keep the labs clean at all times, no food and drinks allowed inside the lab. Identify the pin details of bc107 transistor or equivalent silicon transistor such as bc108547 and test it using a millimeter. To study vi characteristics of scr and measure latching and holding currents. In a real transistor, the region of the two p regions is very narrow or thin so that the carriers can. Equipment, tools and simple resistor circuits the experiments in this lab use mostly resistors and voltage sources to introduce the most fundamental laws kirchhoffs, ohms, circuit diagrams and simulation tools as well as the. Field effect transistors single stage common source fet amplifierplot of gain in db vs frequency, measurement of bandwidth, input impedance maximum signal. Biasing of bipolar transistors laboratory exercises introduction objectives in this lab, we will design and build three different bias circuits for bjts bipolar junction transistors.