Electronic circuits ii lab manual

You can post new threads. You can reply to threads. You can contact with other members. Follow us on. Linear Mode. Threaded Mode. Lost Password? This lab manual can be used as instructional book for students, staff and instructors to assist in performing and understanding the experiments. In the first part of the manual, experiments as per syllabus are described and in the second part of the manual, experiments that are beyond the syllabus but expected for university laboratory examination are displayed.

This manual will be available in electronic form from Vidyarthiplus. Upcoming SlideShare. Ec ii lab manual. Embed Size px. Start on. Show related SlideShares at end. WordPress Shortcode. Share Email. Top clipped slide. Technology , Business. Download Now Download Download to read offline. Murugan Dhandapani Follow.

Lecturer at UCET. Electronics Lab Manual by Er. Swapnil V. Ec 2-simulation-lab. Electrical and electronics Lab Manual. Engineering practice lab manual for electronics. Electronic circuit design lab manual. Lic lab manual 1. Lic lab manual. Basic electrical lab manual. Related Books Free with a 30 day trial from Scribd.

Related Audiobooks Free with a 30 day trial from Scribd. Elizabeth Howell. No problem. Yeshwanth Reddy. Mani Sankar. Swati Navalkar. Alankar Dutta at Detective Training School.

Maria Antony. Santosh Beora , Om Prakash. Manish Katira at RGI. Show More. Views Total views. Actions Shares. No notes for slide. EC 2 lab manual with circulits 1. Two Stage RC coupled Amplifier. Design of voltage shunt feed back amplifier. Clacc B push pull amplifier. Complimentary symmetry push pull amplifier. Design of RC phase shift oscillator. Design of LC oscillators. Colpitts oscillators. Hartley oscillators.

Design of series voltage regulator. Linear wave shaping. Non-linear wave shaping. Bistable multivibrator. Monostable multivibrator. Astable multivibrator. Schmitt trigger. UJT relaxation oscillator. Blocking oscillator. Apparatus Required: S. No Name of the Specifications Quantity. While cascading, the output of one stage is connected to the input of another stage. If R and C elements are used for coupling, that circuit is named as RC coupled amplifier.

Each stage of the cascade amplifier should be biased at its designed level. It is possible to design a multistage cascade in which each stage is separately biased and coupled to the adjacent stage using blocking or coupling capacitors.

Connect the circuit as per the circuit diagram. Now feed an ac signal of 20mV peak-peak at the input of the amplifier with different frequencies ranging from 20Hz to 1MHz and measure the amplifier output voltage, Vo. Draw a graph with frequencies on X- axis and gain in dB on Y- axis. From graph calculate bandwidth. Connections must be given very carefully. Readings should be noted without any parallax error. The applied voltage and current should not exceed the maximum ratings of the given transistor.

Name of the Specifications Quantity. Connections are made as per the circuit diagram. Apply an input signal V s sinusoidal and measure Vi to be min value to get an undistorted output waveform. By keeping V i to be constant value and vary its frequency such that note down the corresponding output! Calculate the voltage gain in Db.

By removing the feed back resistor Rf in the amplifier ckt. Apparatus: Sl. Calluculate efficiency of amplifier. Observe the input and output wave forms across each transistor on CRO. Design a complementary symmetry power amplifier to deliver maximum power to 10 Ohm load resistor. Simulate the design circuit. Develop the hard ware for design circuit. In the positive half cycle of input signal the transistor Q1 gets driven into active region and starts conducting.

The same signal gets applied to the base of the Q2. During the negative half cycle of the signal the transistor Q2 p-n-p gets biased into conduction. While Q1 gets driven into cut off region. Hence only Q2 conducts during negative half cycle of the input, producing negative half cycle across the load.

Connect the circuit diagram and supply the required DC supply. Change the Load resistance in steps for each value of impedance and note down the output power. From this graph find the impedance for which the output power is maximum. This is the value of optimum load. Select load impedance which is equal to 0V or near about the optimum load. Connections should be made care fully. Take the readings with out parallax error.

Avoid loose connections. Simulation switch must be off while changing the values. Result: Class B complementary symmetry amplifier is designed for given specifications and its performance is observed. The phase of the signal at the input gets reverse biased when it is amplified by the amplifier.

The output of amplifier goes to a feedback network consists of three identical RC sections. Each RC section provides a phase shift of Thus a total of phase shift is provided by the feedback network. The output of this circuit is in the same phase as the input to the amplifier. RC Phase shift Oscillator Procedure: 1.

Connect the circuit as shown in Fig A. Switch on the power supply. Connect the CRO at the output of the circuit. Adjust the RE to get undistorted waveform. Measure the Amplitude and Frequency. Compare the theoretical and practical values. Cathode Ray Oscilloscope 20MHz 1 3.

Z1, and Z2 are inductors and Z3 is an capacitor. The feedback network consisting of inductors L1 and L2 , Capacitor C determine the frequency of the oscillator. The current in tank circuit produces AC voltages across L1 and L2. As terminal 3 is earthed, it will be at zero potential. If terminal is at positive potential with respect to 3 at any instant, then terminal 2 will be at negative potential with respect to 3 at the same instant.

Thus the phase difference between the terminals 1 and 2 is always In the CE mode, the transistor provides the phase difference of between the input and output. Therefore the total phase shift is Switch on the power supply by inserting the power card in AC mains. Connect one pair of inductors as L1 and L2 as shown in the dotted lines of Fig A. Observe the output of the oscillator on a CRO, adjust the potentiometer RE on the front panel until we get an undistorted output.

Note down the repetition period T of observed signal. Calculate the theoretical frequency of the circuit using the formulae. Repeat the steps 2 to 4 for the second pair of inductors L1 and L2. Tabulate the results as below. Connections must be done very carefully. Readings should be taken without parallax error. Result: The frequency of Hartley oscillator is practically observed.

The feedback network consisting of capacitors C1 and C2 , inductor L determine the frequency of the oscillator. The current in tank circuit produces AC voltages across C1 and C2. Switch on the power supply by inserting the power card in AC mains 2. Connect one pair of capacitors as C1 and C2 as shown in the dotted lines of Fig A. Observe the output of the oscillator on a CRO.

Adjust the potentiometer RE on the front panel until we get an undistorted output. Calculate the theoretical frequency of the circuit using formulae. Repeat the step 2 and 4 for the second pair of capacitors C1 and C2. Result: The frequency of Colpitts Oscillators is practically determined.