Double click the source and enter the values of peak voltage and frequency of 10mv and 1 khz. Here capacitor c b1, acts as the coupling capacitor to couple the input signal to the basetoemitter terminals of the transistor. Ece 311 electronics i iii july 2011 notes about the course electronics i consists of a theoretical module ece 320 and a practical module ece 311. The commonemitter ce transistor amplifier configuration is widely used. Common emitter amplifier ce circuit working and applications. 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. Micro cube micro cube guitar amplifier musical instrument amplifier pdf manual download. To design and setup an inverting amplifier circuit with op amp 741c for a gain of 10, plot the waveforms, observe the phase reversal, measure the gain.
After completion of this experiment, student will be able to design and setup an inverting amplifier using op amp. The ce amplifier provides high gain and wide frequency response. The lower keithley is used to supply vbe and the upper keithley is used to supply vce. Roland micro cube micro cube guitar amplifier owners manual. Electronic circuits ii bapatla engineering college, bapatla. In common collector amplifier as the collector resistance is made to zero, the collector is at ac ground that is the reason for which the circuit is also called as groundedcollector amplifier or this configuration has voltage gain close to unity and hence a change in base voltage appears as an equal change across the load at the emitter, hence the name emitter follower is given to. Ec6311 adc lab manual, analog digital circuits laboratory. To measure av l and av 0, we apply a sinusoidal input voltage1. We have assembled a computer driven system for automatic measurements of these quantities. Students may not work on projects unrelated to their class unless the student has first obtained written permission for that work from the lab manager and labclass faculty member. V ce2 has to be high anyway to keep q 1 properly biased in the darlington pair the ac analysis of the three stage amplifier is much more complex than a single stage amplifier. Bipolar junction transistor characteristics page 4 5. One end of the input voltage v i is at the ground potential. View and download roland micro cube micro cube guitar amplifier owners manual online.
Ce common emitter amplifierdsatm ce common emitter amplifier amplifies the given small input voltage to large output voltage. To study the frequency response of common emitter amplifier and calculate its bandwidth. To design transistor ce amplifier and simulating in multisim software and find its voltage gain. To demonstrate the effects that a bypass capacitor has on amplifier voltage gain av. You will see these models in upper division courses. Ec 2 lab manual with circulits linkedin slideshare. Disscussion the input signal to a ce amplifier is applied across the baseemitter junction of the device.
Anna university regulation 20 electronics and communication engineering ece ec6311 adc lab manual for all experiments is provided below. Ce amplifier r 1 vs rc v rl o r 1 r 2 rc rl cb cc re ce r 2 vs vo vbe gmvbe vbe e b c ro r. 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. Cr on the transistor cl on the transistor cr the cl on edit the pspice model. The manual contains sufficient exercises for a typical 15 week course using a two to three hour practicum period. Downloads crown audio professional power amplifiers.
Simulation of circuit performance with multisim and comparison with measured values. Basically, these capacitances results in ampli er gain to drop at high frequencies. Be prepared to discuss your design at the beginning of the lab period with your ta. Calculate ic from vccicrcvceve0 ecalab manual sfsac ece iiiilm2010 ver. 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. Figure 1 gives the basic circuit of ce amplifier using npn transistor bias through use of resistor r b. Design the circuit shown in figures 1 and 2 by calculating the values of r 1, r 2, r 3 and r 4. One most important constraint during the amplification is. Therefore, we choose v ce25v and v ce36v as a starting point to look at for the two voltage amplifier stages. Design the amplifier for voltage gain a v to be at a minimum of 100 vv and choose resistor values of r c and r e by calculation. Download link for ece 3rd sem ec6311 analog digital circuits laboratory manual is listed down for students to make perfect utilization and score maximum marks with our study materials. Since the circuit has a rather high gain, we have included a resistor divider network at the input. The function of this network is to provide necessary bias.
Class c power amplifier lab manual this project will introduce two common power amplifier topologies, and also this lab introduces two amplifier topologies. Srinivasa rao lecturer in ece department of electronics and communication engineering bapatla engineering college, bapatla. In this design the bias voltage between emitter and collector should be 5v dc. To draw the frequency response curve of ce amplifier. The process of increasing the strength of a weak signal is known as amplification.
Ecen 326 lab 1 design of a commonemitter bjt ampli. The following equation can be obtained from the dc equivalent circuit of fig. Cascade of two ce stages 7 experiment 3 push pull amplifier 9 experiment 4 op amp circuits 11 experiment 5 filter circuits feed back circuit. Experiment 6 transistors as amplifiers and switches. Using vbattery 12 v, vce 4 v, ic 4 ma and re rc together with equation 1 yields rc 124 20.
We will use this circuit to explore the frequency response of the cecs amplifier topology. Youd think in a design lab, they would tell you the rationale, but this is the one step they just glossed over i went back through my textbook and could not find any explanation. Download file pdf analog electronics lab manual for diploma have enough time to get the event directly, you can take a completely easy way. Resistors r1 and r2 form a voltage divider across the base of the transistor. Experiment 6 transistors as amplifiers and switches our final topic of the term is an introduction to the transistor as a discrete circuit element. Measure the voltage gain of the amplifier to see how it compares with your. Objective to demonstrate the ac operation of the commonemitter ce amplifier. These courses run concurrently and the aim of the manual is to introduce students to laboratory procedure including data recording and report writing. View and download ce labs av400sv instruction manual online. The ac signal voltage gain is defined as a v v o v i where v o and v i can both be rms, peak, or peakpeak values. Electronics engineering ii lab manual eec 451 department of electronics and communication engineering 27, knowledge parkiii, greater noida, u.
To design and test the current series and voltage shunt feedback amplifier and to calculate the following parameters with and without feedback. The amplifier is an electronic circuit that is used to increase the strength of a weak input signal in terms of voltage, current, or power. Close the model editor and accept all dialog box defaults. It provides large voltage gain typically tens to hundreds and provides moderate input and output impedance. Circuit description of common emitter ce amplifier. Classb push pull amplifier switch on the power supply and signal. Tas may not authorize projects unrelated to the students class. The common emitter configuration is widely used as a basic amplifier as it has both voltage and current amplification. I am working on a commonemitter amplifier design lab, and i realized that i did not know why the lab manual tells you to select the emitter voltage, ve, at 0.