BSc Sem IV 2014 2015 2015 Phy Ll Question Paper - Mumbai University | munotes

Questions asked in this paper

• ii) Figures to the right indicate full marks,

1. Q1 Answer the following questions:
   • A) Convert the following into (7M) SOP form F(a.b,c)= and draw logical
   • A) Convert the following into (7M) POS form F(ab 1 and draw logical circuit
   • B) Convert the following (8M)
   • i) = ii)
   • B) Perform A+B, A-B & -A-B using 2’s compliment method where A=43, 4 C) Draw & explain the working of RS (SM)
   • C) Perform the following in binary arithmetic (SM)
   • iii) 11001X101 iv) 1011101 +0111010 v) 11001+ 10)
2. Q2 Answer the following questions:
   • A) With the help of neat labelled diagram explain the operation of RC phase shift oscillator A phase shift oscillator has R=5 KQ , C=0.001 Find the frequency of oscillation. (7M)
   • A) With the help of neat labelled diagram explain the operation of colpitt’s oscillator A colpitt’s oscillator is designed by using components C1= 0.02 uf, C2= &
   • B) With the help of neat labelled diagram obtained the for Output voltage of summing amplifier? OP-amp as inverting adder determine feedback register
   • B) Derive the for gain of Op-amp as a inverting amplifier, What is input resistance of OP Amp used as inverting amplifier when its Output is input of The feedback resistor is (8M)
   • C) Explain the block diagram of OP-Amp amplifier (SM)
   • C) What is oscillator? Explain the requirement for Oscillator, (5M)
3. Q3 Answer the following questions: llector to base resistor method ility factor of collector
   • A) Describe with neat diagram stability fa fan amplifier. What ar terms higher cut off frequency (f2) of an amp Ifilled to achieve ition to be fu
   • B) What is faithful amplification? State & explain the conditio (8M) faithful amplification in a transistorized amplifier
   • B) Draw and explain black box representation of amplifier circuit & write (8M)
   • C) What is feedback amplifier? Sate various types of feedback?
   • C) What is stabilization? What is need for stabilization?
4. Q4 Answer the following questions (any 3):
   • A) Convert the following
   • B) Convert the following
   • C) Write a short note on OP- amp as a integrator,
   • D) i) Define Slew Rate & write its unit, li) Define Stability factor,
   • E) With the ckt diagram explain the use Of op-amp as emitter coupled differential amplifier
   • P) What is transistor biasing? What is its need?

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