Important RGPV Question

EX-305 (Analog Electronics )

III Sem, EX

UNIT 1 Semiconductor Diodes

Q.1) Explain the Tunnel diode operation and V-I characteristics with the help of necessary diagrams.

(RGPV June 2023)

Q.2) Explain the V-I characteristics of Diode.   

(RGPV June 2020)

Q.3) Explain the working of full wave rectifier with the help of diagram. 

(RGPV June 2020)

Q.4)  Discuss the principle working of zener diode and tunnel diode.

(RGPV Dec 2020)

Q.5) What is the working principle of Schottky diode? Explain. Also give its discuss its characteristics and applications.

(RGPV Dec 2020, Nov 2019)

Q.6) How diode is used for half wave and full wave rectification? Explain. 

(RGPV Dec 2020,Nov 2019)

Q.7) Explain the term transistor or junction capacitance ‘CT’ of a p-n junction diode. Derive an expression for it. 

(RGPV Dec 2020)

Q.8) Draw and explain the VI characteristics of p-n Junction diode considering forward and reverse biasing. 

(RGPV Nov 2019)

Q.9) With the help of circuit diagram explain the working of Zener diode. Give its applications also.

(RGPV Nov 2019)

Q.10) Give a brief introduction on PN junction diode. Draw and explain VI curve for forward biased diode.

(RGPV Nov 2018)

Q.11) Discuss the breakdown characteristics of PN junction diode. Derive a relation for junction capacitances.

(RGPV Nov 2018)

Q.12)  Write and explain the working principle of Schottky diode. Write its applications.

(RGPV Nov 2018)

Q.13) Draw and explain the full wave rectifier circuit. Write its advantages.

(RGPV Nov 2018)

UNIT 2 Transistors

Q.1)  Discuss load line analysis.

(RGPV June 2023)

Q.2) Discuss the working of transistor as an amplifier. 

(RGPV June 2020)

Q.3)  Discuss small signal analysis of transistor using n-parameters.

(RGPV June 2020)

Q.4) Discuss about thermal runway and thermal stability.

(RGPV June 2020)

Q.5) Explain the working principle of FET.

(RGPV June 2020)

Q.6) Define h-parameters of a transistor.

(RGPV Dec 2020)

Q.7) What are the different operating regions of a BJT? Explain. Also give amplification mechanism of BJT.   

(RGPV Nov 2019)

Q.8) Describe biasing techniques for BJT. 

(RGPV Nov 2019)

Q.9) Define H-parameters. Give h parameters equivalent of BJT and explain.   

(RGPV Nov 2019)

Q.10) Explain the working of JFET and give its characteristic curves.

(RGPV Nov 2019)

Q.11) Write and explain different types and configuration of Transistors. 

(RGPV Nov 2018) 

Q.12) Give any five reasons that explain the superiority of MOSFET over.

(RGPV Nov 2018) 

 

UNIT 3 Feedback Amplified Oscillators

Q.1) ALC filter is used to provide a DC output with 1% ripple from a FWR operating at 50 Hz. Assuming L/C-0.01 determine L and C values.

(RGPV June 2023)

Q.2) Explain voltage multiplier circuits and mention its applications.

(RGPV June 2023)

Q.3) Derive the expression for frequency of oscillations in RC Phase shift oscillator.

(RGPV June 2023)

Q.4) Explain different types power amplifiers based on selection of an operating point along with diagrams.

(RGPV June 2023)

Q.5) For a class B power amplifier using a supply voltage of Vce = 24V, and driving a load of 85Ω. Determine the maximum load power, DC input power and collector efficiency if the peak to peak output voltage across the load resistance is 22V.

(RGPV June 2023)

Q.6) Explain the working of R-C phase shift oscillator.

(RGPV June 2020)

Q.7) Discuss the working of class B amplifier and calculate its efficiency. 

(RGPV June 2020)

Q.8) Explain the working of push pull amplifier and its benefits.

(RGPV June 2020)

Q.9) What is Negative feedback and write its merits?

(RGPV Dec 2020)

Q.10) Explain the working of R-C phase shift oscillator.

(RGPV Dec 2020)

Q.11) What are the various feedback configurations? Explain with diagram. Also define feedback factor.

(RGPV Dec 2020,Nov 2019)

Q.12) Sketch the circuit of phase shift oscillator. Explain its working and determine its frequency of oscillation.

(RGPV Dec 2020,Nov 2019)

Q.13) Explain the concept of feedback in any circuit.

 (RGPV Nov 2018)

Q.14) Explain positive and negative feedback systems. 

(RGPV Nov 2018)

Q.15) Explain the concept of frequency oscillations. Define and explain the Barkhausen Criterion.

 (RGPV Nov 2018)

Q.16) Write and explain Class B power amplifier. 

(RGPV Nov 2018)

Q.17) Derive a relation for efficiency and power dissipation of class C amplifier.

 (RGPV Nov 2018) 

 

UNIT 4 Wave Shaping circuits

Q.1) Discuss clipper and how a double ended clipper with equal and unequal amplitude can be implemented explain with suitable example and diagram.

(RGPV June 2023)

Q.2) Explain Darlington pair transistor circuit.

(RGPV June 2023)

Q.3) Draw the circuit diagram of bistable multivibrator and explain its working.

(RGPV June 2020)

Q.4) Explain the working of differential amplifier.

(RGPV June 2020)

Q.5)  Draw the circuit diagram of astable multivibrator and explain its working with the help of waveforms.

(RGPV Dec 2020, Nov 2019)

Q.6) Define and explain common mode gain, differential mode gain and CMRR.

(RGPV Dec 2020, Nov 2019)

Q.7) Write and explain the switching characteristics of diode and transistors using suitable circuits.     

(RGPV Nov 2018)

Q.8) Write short note on Clipper and Clamper Circuit.

(RGPV Nov 2018) 

 

UNIT 5 Operational Amplifier

Q.1) How an integrator can be implemented using Op-Amp and show the output waveform when integrator circuit is applied with sinusoidal and square wave as an input.

(RGPV June 2023)

Q.2)  Explain the working of Op-Amp as differentiator and integrator.

(RGPV June 2020)

Q.3) Explain the working of Op-Amp as log and antilog amplifier.

(RGPV June 2020)

Q.4) State and explain characteristics of an ideal Op-Amp. Compare ideal Op-Amp and practical Op-Amp.

(RGPV Dec 2020, Nov 2019)

Q.5) Draw the circuit of the following using an OP-Amp and explain their operation:

i) Summer

ii) Integrator

(RGPV Nov 2019)

Q.6) Derive expressions for the multi vibrators and square wave generators for the circuits which behave as an OPAMPS.

(RGPV Nov 2018)

Q.7) Derive an expression for the Op Amp inverting and non- inverting Circuits.  

(RGPV Nov 2018)

 

— Best of Luck for Exam —