Maharaja Agrasen Institute of Technology

Department of Electronics &Communication Engineering

Analog Electronics-I

Course Code:ETEC-203 Course Id: 28203

Semester : 3rdCredits : 100 Marks

Internal Marks : 25 External Marks: 75

Goal:The goal of teaching this subject is to impart in depth understanding of the concepts of biasing in active circuits and employing simple models to represent nonlinear and active elements in circuits. It also includes the operation of the circuits at high frequencies and effects of feedback. The analysis of power amplifier & tuned amplifiers is also dealt with.

Course Description:Review of diode and BJT, Bias stabilization: Need for stabilization, fixed Bias, emitter bias, self-bias, bias stability with respect to variations in Ico, VBE β, Stabilization factors, thermal stability. Bias compensation techniques.Small signal amplifiers: CB, CE, CC configurations, hybrid model for transistor at low frequencies, RC coupled amplifiers, mid band model, gain & impedance, comparisons of different configurations, Emitter follower, Darlington pair(derive voltage gain, current gain, input and output impedance). Hybrid-model at high frequencies (π model). Multistage Amplifiers: Cascade and cascode amplifiers, Calculations of gain, impedance and bandwidth. Design of multistage amplifiers.Feedback Amplifiers: Feedback concept, Classification of Feedback amplifiers, Properties of negative Feedback amplifiers, Impedance considerations in different configurations. Analysis of feedback amplifiers.Field Effect Transistor: Introduction, Classification, FET characteristics, Operating point, Biasing, FET small signal Model, enhancement & Depletion type MOSFETS, MESFET, FET Amplifier configurations (CD, CG and CS). Introduction to UJT, SCR, Triac and Diac(working, construction, characteristics and application),UJT relaxation oscillator.Power Amplifiers: Power dissipations in transistors, Amplifiers Classification, (Class-A, Class-B, Class-C, Class-AB) Efficiency analysis, Push-pull and complementary Push-pull amplifiers, cross over distortion and harmonic distortion in push pull amplifier. Tuned amplifiers (single, double & stagger tuned amplifier).

Course Educational Objectives:Students learn about the following:

CEO.203.1. / To learn about DIODE, BJT, FET, and MOSFET and to learn about the need of biasing and stabilization. Analysis of fixed bias, emitter feedback bias, collector to base feedback bias and self bias circuits.
CEO.203.2. / To learn about Hybrid Pi model, conductance and capacitances of hybrid-Pi model, high frequency analysis of CE amplifier, gain-bandwidth product. Emitter follower at high frequencies
CEO.203.3. / To learn about analysis of Single stage Amplifier’s of BJT’s & FET’s, to learn designing of multistage amplifier’s. Design of cascade and cascade amplifiers.
CEO.203.4. / To learn about Classification, Feedback concept, Transfer gain with feedback, General characteristics of negative feedback amplifiers.
CEO.203.5. / To learn about Analysis of voltage-series, voltage-shunt, current-series and current-shunt feedback amplifier. Stability criterion. Classification,to learn about power amplifier circuits, Class A output stage, class B output stage and class AB output stages, class C amplifiers, push-pull amplifiers with and without transformers
CEO.203.6. / To learn about Complementary symmetry & quasi complementary symmetry amplifiers

Course Outcomes: Upon completion of the course:

Course name:Analog Electronics-1 Year of study : 2016-2017

C.203.1 / Student will be able to understand the role and need of bias stabilization for single stage BJT amplifier circuit. Working of fixed bias, emitter bias, self-bias common emitter amplifier circuit’s. They will understand the changes come inbias stability with respect to variations in Ico, VBE β, and role ofstabilization factors and thermal stability.
C.203.2 / Student will be able to understand small signal Hybrid Pi model for CB, CE and CC amplifier circuit. Students are able to find the expression of input impedance, output impedance, voltage gain and current gain of single stage amplifier, cascade configuration, cascade configuration and RC coupled amplifier circuit.
C.203.3 / Student will be able to understand the concept of positive and negative feedback, classification of feedback amplifiers, properties of negative feedback in amplifiers andimpedance considerations in different feedback configurations.
C.203.4 / Student will be able to learn the FET characteristics. Find the operating point forFET Amplifier configurations (CD,CG and CS). Understands the FET small signal Model.
C.203.5 / Student will learn the working of UJT, SCR, Triac and Diac component.The working and designing of tuned amplifiers(single,double & stagger tuned amplifier)
C.203.6 / Student will understand the power dissipations in transistors. Designing ofclass-A, class-B, class-C,class-AB, push-pull and complementary push-pull amplifiers.

Mapping of Course Educational Objectives with Course Outcomes:

C.203.1 / C.203.2 / C.203.3 / C.203.4 / C.203.5 / C.203.6 / Correlation%
CEO.203.1 / 3 / 3 / 3 / 3 / 3 / 3 / 100%
CEO.203.2 / 3 / 3 / 2 / 3 / 3 / 2 / 88.3%
CEO.203.3 / 3 / 3 / 3 / 3 / 3 / 3 / 100%
CEO.203.4 / 2 / 3 / 2 / 3 / 3 / 2 / 83.33%
CEO.203.5 / 3 / 2 / 2 / 3 / 3 / 3 / 88.8%
CEO.203.6 / 3 / 3 / 3 / 3 / 3 / 3 / 100%
Average sum / 2.78 / 2.78 / 2.5 / 3 / 3 / 2.66 / 93%

Mapping of Course Outcomes with Program Outcome:

CO / PO1 / PO2 / PO3 / PO4 / PO5 / PO6 / PO7 / PO8 / PO9 / PO 10 / PO 11 / PO12 / %
C.203.1 / 3 / 3 / 3 / 3 / 3 / 2 / 1 / 1 / 2 / 1 / 3 / 3 / 77.77
C.203.2 / 3 / 3 / 3 / 3 / 3 / 1 / 1 / 1 / 3 / 1 / 3 / 3 / 77.77
C.203.3 / 3 / 3 / 3 / 2 / 2 / 2 / 1 / 1 / 2 / 1 / 2 / 2 / 66.66
C.203.4 / 3 / 3 / 3 / 2 / 3 / 1 / 1 / 1 / 2 / 1 / 2 / 2 / 66.66
C.203.5 / 3 / 3 / 3 / 3 / 3 / 3 / 3 / 3 / 3 / 3 / 3 / 3 / 100
C.203.6 / 3 / 3 / 3 / 3 / 3 / 3 / 3 / 1 / 1 / 3 / 2 / 2 / 83.33
Average sum / 3 / 3 / 3 / 2.6 / 2.8 / 2 / 1.6 / 1.3 / 2 / 2.2 / 2.5 / 2.5 / 78.65

Program Specific outcome (PSO’s)

PS01: Professional skills : An ability to understand the basic concepts in Electronics & Communication Engineering and to apply them to various areas,likeSemiconductors, Communications, Signal processing,Antenna,Networking.VLSI , Embedded systems and to be mastered the latest tools and techniques used in the field of research and industry.

PS02: Problem solvingskills :An ability to face various problems in the area Electronics and Communication Engineering using latest hardware and software tools.

PS03: Successful Career:An understanding of social-awareness & environmental-wisdom along with ethical responsibility to have a successful career and to sustain passion and zeal for real-world applications using optimal resources as an Entrepreneur.

Mapping of Course Outcomes with Program Specific Outcome:

CO / PSO1 / PSO2 / PSO3 / %
C.203.1 / 3 / 3 / 1 / 77.7%
C.203.2 / 2 / 3 / 2 / 77.7%
C.203.3 / 2 / 3 / 1 / 66.6%
C.203.4 / 3 / 3 / 1 / 77.7%
C.203.5 / 3 / 3 / 3 / 100%
C.203.6 / 3 / 3 / 1 / 77.7%
Average sum / 2.66 / 3 / 1.5 / 79.56%

Contribution to the outcome:

  1. By providing lectures
  2. By presentation
  3. By giving the design examples to design any digital circuit as per the requirements.
  4. By giving more emphasis on tutorial classes.

Assessment:

  1. By Quiz Test
  2. By assignments& Viva.
  3. By mid-term exams.

Text Books:

[T1] Boylestad&Nashelsky, “Electronic Devices & Circuit Theory” PEARSON PUBLICATION.

[T2 ]Salivahanan, Suresh Kumar, Vallavaraj, “Electronic devices and circuits” TMH, 1999.

[T3] J. Millman and Halkias, “Integrated Electronics, Analog & Digital Circuits & Systems” TMH – 2000.

Reference Books:

[R1] Sedra& Smith, “Micro Electronic Circuits” Oxford University Press, 2000

[R2] B.KumarShailbala Jain, “Electronic Devices And Circuits” PHI

[R3] David A Bell, “Electronic Devices and Circuits” , Oxford University Press, 2000.

[R4] Albert Malvino, David J.Bates, “Problems and Solutions in Basic Electronics” ,TMH.