EXAMINATION BRANCH QUESTION BANK Name of the branch: Year & Sem:II-II EEE Name of the subject: ELECTRONIC CIRCUITS Name of the faculty, Designation & Mobile number:R.SAMATHA,ASSISTANT PROFESSOR,9542397710 Date of Examination: Academic Year: 2015-16 UNIT-I SINGLE STAGE AMPLIFIERS DESIGN AND ANALYSIS APPEARED IN MARKS S.N0 QUESTION (R05,R07, Assigned R09, R13) With the help of input and output characteristics, explain the operation of 1 a bjt in common-emitter configuration. R05 8 Discuss the classification of amplifiers on frequency range, type of 2 coupling, power delivered and signal handled. R13 5 3 Describe the functioning of f bjt in common base configuration R07 8 Explain about different types of distortions that occur in amplifier circuit. 4 R09 8 What are the h-parameters? why they called so? Define them and what are 5 the benefits of h-parameters. R05 8 Analyze general transistor amplifier circuit using h-parameter model. 6 Derive the expressions for AI , AV,RI,R0, AVS, AIS. R13 16 Derive the expression for voltage gain ,current gain ,input impedance, 7 output impedance of CE amplifier using exact and approximate model. R09 12 Draw the hybrid equivalent of transistor in CE configuration at low π- frequency. Discuss the significance of different parameters of the 8 equivalent circuit. R09 16 The h-parameters of CE amplifier with Rs=1kw , RL=10kw,hie=1.1kw, hre=2.5*10-4, hfe=50 and hoe=24mA/v. find out current and voltage gains 9 with and without source resistance , input and a out impedances. R13 5 a) explain the concept of feedback with diagram 10 b) how do you classify feedback in amplifiers and what are they? R07 8 with neat sketch ,explain about all types of feedback systems? 11 R13 8 12
EXAMINATION BRANCH QUESTION BANK Name of the branch: EEE Year & Sem:II-II Name of the subject: ELECTRONIC CIRCUITS Name of the faculty, Designation & Mobile number:R.SAMATHA,ASSISTANT PROFESSOR,9542397710 Date of Examination: Academic Year: 2015-16 UNIT-I SINGLE STAGE AMPLIFIERS DESIGN AND ANALYSIS S.N0 QUESTION APPEARED IN (R05,R07, R09, R13) MARKS Assigned 1 With the help of input and output characteristics, explain the operation of a bjt in common-emitter configuration. R05 8 2 Discuss the classification of amplifiers on frequency range, type of coupling, power delivered and signal handled. R13 5 3 Describe the functioning of f bjt in common base configuration R07 8 4 Explain about different types of distortions that occur in amplifier circuit. R09 8 5 What are the h-parameters? why they called so? Define them and what are the benefits of h-parameters. R05 8 6 Analyze general transistor amplifier circuit using h-parameter model. Derive the expressions for AI , AV,RI,R0, AVS, AIS. R13 16 7 Derive the expression for voltage gain ,current gain ,input impedance, output impedance of CE amplifier using exact and approximate model. R09 12 8 Draw the hybrid π- equivalent of transistor in CE configuration at low frequency. Discuss the significance of different parameters of the equivalent circuit. R09 16 9 The h-parameters of CE amplifier with Rs=1kw , RL=10kw,hie=1.1kw, hre=2.5*10-4, hfe=50 and hoe=24mA/v. find out current and voltage gains with and without source resistance , input and a out impedances. R13 5 10 a) explain the concept of feedback with diagram b) how do you classify feedback in amplifiers and what are they? R07 8 11 with neat sketch ,explain about all types of feedback systems? R13 8 12
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