Download AKTU B-Tech 5th Sem 2018-2019 REC 501 Integrated Circuits Question Paper

Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 5th Semester (Fifth Semester) 2018-2019 REC 501 Integrated Circuits Question Paper

Printed Pages: 02 Subject Code: RECSOI
m1 1 | 1 1 1 l 1 1 I r
BTECH
(SEM V) THEORY EXAMINATION 2018-19
INTEGRATED CIRCUITS
T inc: 3 H ours Total Marks: 70
Note : Be precise in your answer. In case of numerical problem assume data wherever not
provided.
SECTION ? A
1. Attempt all the questions: 7 x 2 =14
(a) What is full power bandwidth?
(b) How the effect of input bias current in non-inverting ampli?er is compensated?
(c) Write the advantage of actlve ?lter over passive ?lter
(d) What is PDN and FUN?
(e) Write the advantage of a voltage follower circuit. "
(i) What IS the advantage of precismn diode recti?e; citb?it over ordinary rectifierq
(g) An 8 bit DAC has an input of 1001101 1 and l ' Yeference, Find the corresponding
output voltage
-/,
2. Attempt any three questionsro?l'lg?following questions: 3 3 x 7 = 21
(:1) Discuss Wilson cu t mirror and widlar current source. What the
advantage of \Hdla current source over Wilson currenf rhuror?
s
(b)Classify active filter. Design second ordeh lo? pass ?lter w1th
f11 = ZKHZ and passband gain 0f3 "?2 ~
(c) (:1)Sketch the CMOS log1c circuit realm :1le1pof1he expressmn
Y= A(B + C) + DEV.
(11)Draw the D ?ip ?op using CMOS. L
(d)Wr1te short note on the folknytng
(1)Analog multiplier -V_
(11) Logarithmic ampl1f1er
(e) (1)Draw the function block diagram of IC 555 and explain 1ts working.
(1i)Wr1te a short note on Ex-OR as a phase detector.

SECTION ? C
3. Attempt any one question: 1X 7 = 7
(a) (1)How the short circuit protection is ach1eved 1n the output stage of 741
op-amp??
(11) Draw and explain the frequency response of IC 741.
(b)What do you understand by the base current mirror. How does it provide
improvement over simple current mirror circuit? Explain with the help of
a neat circu1t d1agram
4. Attempt any one question: 1X 7 = 7
(a) Design a wide bandpass filter Iwith f1= 500112 and f11 = lSOOHz and passband
gain of 5,draw the frequency response of the filter and find value of Q.
(b) Draw and explain I-V and V-I converters and der1ve its output.
5. Attempt any one question:
1X7=7 1??
(b) Derive the formula for V11 and V111 of CMQ??11erter
6 Attempt any one question:
1257M
(a) (1) Describe the schm1tt trigge1 with help of proper circuit d1agxam..and
transfer characteristics? -
(11) Explain the work?i
peak detectors.
(b)Draw the circuitg 7 gram of full \va\e prec1sion :ec11f1er and find
expression for output voltage for both pcs1t1ve and mgatwe half cycle of
input sinusoidal waveform
7. Attempt any one question: 1X 7 = 7
(3) Draw the functional block diagram of IQ - a11d explain its working Draw the circuit
diagram of a monostable multivibrator. 11?fhg 555 and ?nd express1on for quasi state
penod
(b) (1) Write short note on analoggo d?g1tal converter.
(11) Explam the workmg QfPLL with su1table block diagram.
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