Saturday, December 31, 2011

Happy New year 2012

Wish you all a HAPPY NEW YEAR 2012.

May this year brings you happiness and prosperity in your life.

Wish you a happy new year 2012

Friday, December 9, 2011

List of lab experiments of Digital electronics of first Sem Diploma- EC

Department of Technical EducationDiploma Programme in Electronics and Communication Engineering/ Electronic Instrumentation & Control Engineering 1st SEMISTER

SUBJECT : DIGITAL ELECTRONICS LAB

Common to E&C, EI&C, CS&E and IS&E
Lab Experiments :
A1 Familiarization of Digital trainer kit, IC tester, Logic pulser, logic probe
2Study of IC Manual and familiarization of Ics and IC familiesB1Familiarization of logic gates using Ics

a) 7400 b) 7402 c) 7404 d) 7408 e) 7432 f) 7486
2 Realization of NOT, OR, AND, NOR, EX-OR and EX-NOR gates using NAND gate
3 Realization of NOT, OR, AND, NOR, EX-OR and EX-NOR gates using NOR gate
4 Implementing and verifying Boolean Expression using K-map
5 Verification of DeMorgan's theorem and realization of the given expression using Demorgan's law
6 Implementing Half Adder and Full Adder using logic gates
7 Implementing Half Subtractor and Full Subtractor using logic gates
8 Verification of truth table of Flip-Flop

i ) Clocked RS FF using NAND Gates

ii) JK FF Using IC 7476

iii) T and D FF using IC 7476.
9 Realize Binary to Gray code converter using IC 7486
10 Realize Gray to Binary code converter using IC 7486
11 Realize parity generator and checker using IC 7486
12 Familiarization of IC 7483 with 4bit addition
13 Realize 2-bit comparator using logic gates and familiarization of IC 7485
14 Interface 7 segment display with IC 7447 / 7448 decoder .
15 Verify the truth table of 1:8 Demultiplexer and 8:1 multiplexer using IC 74138 and 74151respectively
16 Verify the truth table of priority encoder using IC 74147
17 Realize and verify the truth table of 4:1 Multiplexer using 2:1 Multiplexer
18 Verify the truth table of Shift Reigister 7495 ( SISO, SIPO, PISO, PIPO)
19 Veirfy the truth table of a) up-down counter using IC- 74193 b) Decade counter using IC-7490REFERENCES :

DIGITAL ELECTRONICS PRACTICE WITH INTEGRATED CIRCUITS

R.P.JAIN AND MMS ANAND



SCHEME OF VALUATION
Note: Pin diagrams of IC's shall be provided to the students .
1 Record
2 Write up any Two Experiments (Circuit Diagram,Truth Table Expression)
3 Conduction any one Experiment
4 Result
5 Viva-Voce

Model question paper of DIGITAL ELECTRONICS of Diploma 1st Sem - E C

            MODEL QUESTION PAPER
        FIRST SEMESTER
           SUBJECT : DIGITAL ELECTRONICS-1
        Common to E&C ,EI&C,CS&E and IS&E.
        SUBJECT: DIGITAL ELECTRONICS-I
        TIME :3 HRS                                                                         MAX.MARKS :100

        Note: 1)Section A is compulsory.
                  2) Answer any two main questions from each of the remaining Sections

SECTION: A

1    a.    Fill in the blanks with suitable words                                    5X1
    (i)    The radix of hexadecimal number system is _______________
    (ii)    The number of flip-flops required for decade counter is ______________
    (iii)    Race around condition is eleminated in ________________ flip flop
    (iv)    An example for unsaturated logic _________ Ics
    (v)    The SISO shift register with feed back _________ counter

    b.    Write a note interfacing between TTL and CMOS Ics   5

SECTION: B

2    a.    Define the radix of a number system    2
    b.    Convert the following from Binary to Decimal number system    8
        (i) 11001001 (ii) 1110.1111
        (iii) 11001111 -->( )h   (iv) 1AF--> ( ) D
    c.    Subtract the following using 2's complemnet method
        (i) 1FE2- 0AC2            (ii) 412.6 - 255.0    5

3    a.    Convert the following gray code to binary code (i) 110101 (ii) 111110     2
    b.    Convert the following Excess-3 code to binary code (i) 11011 (ii) 10110   3
    c.    Differentiate analog and digital signals                                                          5
    d.     Expalin AND logic with symbol, logic expression and truth table, .             5

4    a.    Define Noise Margin and power dissipation with reference to logic families 4
    b.    State Associative and Distributive laws of Boolean Algebra                       4
    c.    Simplfy the following expressions and realize the same using gates
        (i) A+(BC.(D+E)+ B))     (ii) (A+B).(C+D).(AB+CD)                     7

SECTION: C

5    a.    What is a Full adder? Use K- map to derive logic expressions for its output    7
    b . Compare serial and parallel adders   3
    c . Explain the operation of 4-bit parallel adder      5

6    a . What is a priority encoder?   2
    b.    Write the logic circuit and truth table of Decimal to BCD encoder   8
    c.    Write the logic circuit and truth table of BCD to seven segment decoder for common
         anode display                    5
7    a.    What is a multiplexer?                                          2
    b    Explain the 8:1 multiplexer with the help truth table and logic circuit      6
    c . What is the use of De-multiplexer? Write the truth table and logic circuit of
           4:1 De-multiplexer       7

SECTION: D

8    a.     Differentiate between combinational and seqential circuits         3
    b . Explain the operation of clocked RS-FF using NAND gates         6
    c.    What is meant by Race around condition? How it is overcome?    7

9    a . Explain the logic diagram, truth table and timing diagram,
       the operation of 4-bit ripple counter      8
    b.    What do you by modulus of counter?       2
    c . Explain how decoding gates can be used for construction of mod-11 counter   5

10    a . Explain with logic diagram, truth table and timing diagram,
              the operation of a 4-bit shift counter 8
    b.    Write the logic diagram of a 4-bit shift register.
           Write the truth table and timing diagram for a 4-bit SISO register for a data of 1011 ( 7 )

Wednesday, December 7, 2011

Court orders to file Case Against on Vidyabalan

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Monday, December 5, 2011

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Friday, December 2, 2011

Know more about Why This Kolaveri kolaveri Di Song

Why This Kolaveri Di is a song from the soundtrack of the upcoming Tamil film 3, which is due to be released in 2012. The soundtrack and background score is composed by Anirudh Ravichander. This song was officially released on 16th November 2011, and it instantly became viral on social networking sites for its quirky "Tanglish" (Tamil–English) lyrics. Soon, the song became the most searched YouTube video in India and all over the world.

According to composer Anirudh Ravichander, the director Aishwarya Dhanush wanted a lofty fresh song on love failure, and he had composed a suitable tune for that. Dhanush, then reportedly came up with this song in around 20 minutes. In an interview to The Times of India, Dhanush said "When I was writing down the lyrics, I kept in mind all the English words that are used in the Tamil vocabulary. Words like I, you, me, how, why, cow.. I just framed them into sentences and thats how I came up with the song." According to Dhanush, the song is suitable only for bathroom singers. Its simplistic and rustic beats make it more catchy to the commoner. Heartbreak is a phenomenon almost everyone can relate to. The song was initially leaked to the internet, and the makers, having noticed its popularity, decided to go for an official release.

Lyrics :

The lyrics of this song is rather simple and is written in the easiest form of Tanglish, a mixture of Tamil and English. The lyrics portray the feelings of an average Indian boy, who has failed in love, or who has some problems with his girl.

Click here to see the Lyrics of the Song.

Music video :

This song was initially leaked on the Internet, and the makers, having noticed its popularity, decided to go for an official release. The music video features the actor-playback singer Dhanush singing the song in a studio, while co-star Shruti Haasan and director Aishwarya Rajinikanth hear along in the sidelines. Composer Anirudh is at the piano.

Click here to watch the video of the Song Why This Kolaveri kolaveri Di

Lyrics of the Song " Why this Kolaveri Kolaveri Di "

In recording Studio

yo boys i am singing song

soup song

flop song

why this kolaveri kolaveri kolaveri di

why this kolaveri kolaveri kolaveri di
rhythm correct

why this kolaveri kolaveri kolaveri di
maintain please

why this kolaveri..di

distance la moon-u moon-u

moon-u color-u white-u

white background night-u nigth-u

night-u color-u black-u

why this kolaveri kolaveri kolaveri di

white skin-u girl-u girl-u

girl-u heart-u black-u

eyes-u eyes-u meet-u meet-u

my future dark

why this kolaveri kolaveri kolaveri di

maama notes eduthuko

apdiye kaila snacks eduthuko
pa pa paan pa pa paan pa pa paa pa pa paan
sariya vaasi

super maama ready

ready 1 2 3 4

whaa wat a change over maama

ok maama now tune change-u

kaila glass

only english..

hand la glass

glass la scotch

eyes-u full-aa tear-u

empty life-u

girl-u come-u

life reverse gear-u

lovvu lovvu

oh my lovvu

you showed me bouv-u

cow-u cow-u holi cow-u

i want u hear now-u

god i m dying now-u

she is happy how-u

this song for soup boys-u

we dont have choice-u

why this kolaveri kolaveri kolaveri di

flop song

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Step 3: Now save the file with .html format.
Step 4: Close the notepad and now open the saved file in your default browser .
That's it !
You will see like the below picture in your browser.

Mixed Frame sets in rows and columns

Bangalore Railway Station train time table.

Trains from Bangalore / Bengaluru

Note: Train Schedule is subject to change over time.Even though we try our level best to provide you accurate Train timings information here, we can't guarantee it's 100% correct.

Train Number	Train Name	Train Source Stn	Source Dep. Time	Train Destination Stn	Dest. Arr. Time
06227	Shimoga Express	Bangalore City Junction/SBC	11:40PM	Shimoga Town/SMET	06:15AM
0636	Kochuveli Chennai Express	Bangalore City Junction/SBC	11:00PM	Chennai Central/MAS	05:15AM
0642	Eranakulam Express	Bangalore City Junction/SBC	05:15PM	Eranakulam Junction/ERS	04:20AM
0644	Bangalore Eranakulam Express	Bangalore City Junction/SBC	06:50PM	Eranakulam Junction/ERS	06:30AM
0683	Nagercoil Express	Bangalore City Junction/SBC	10:45PM	Nagercoil Junction/NCJ	02:15PM
0704	Bangalore Kacheguda Special	Bangalore City Junction/SBC	01:00PM	Kacheguda/KCG	04:00AM
2028	Chennai Bangalore Shatabdi Express	Bangalore City Junction/SBC	06:00AM	Chennai Central/MAS	11:00AM
2079	Hubli Jan Shatabdi Express	Bangalore City Junction/SBC	06:00AM	Hubli Junction/UBL	01:10PM
2295	Sangamitra Express	Bangalore City Junction/SBC	09:00AM	Patna Junction/PNBE	09:20AM
2295A	Bangalore Patna Express	Bangalore City Junction/SBC	09:30AM	Patna Junction/PNBE	09:50AM
2429	Bangalore Rajdhani Express	Bangalore City Junction/SBC	08:20PM	H Nizamuddin/NZM	05:50AM
2509	Guwahati Express	Bangalore City Junction/SBC	11:30PM	Guwahati/GHY	05:50AM
2578	Darbhanga Express	Bangalore City Junction/SBC	09:00AM	Darbhanga Junction/DBG	01:30PM
2592	Gorakhpur Express	Bangalore City Junction/SBC	04:40PM	Gorakhpur Junction/GKP	03:20PM
2608	Lalbagh Express	Bangalore City Junction/SBC	06:30AM	Chennai Central/MAS	12:15PM
2610	Chennai Express	Bangalore City Junction/SBC	08:15AM	Chennai Central/MAS	02:45PM
2614	Tippu Express	Bangalore City Junction/SBC	02:15PM	Mysore Junction/MYS	04:45PM
2627	Karnataka Express	Bangalore City Junction/SBC	07:20PM	New Delhi/NDLS	10:35AM
2640	Brindavan Express	Bangalore City Junction/SBC	02:30PM	Chennai Central/MAS	08:20PM
2658	Chennai Mail	Bangalore City Junction/SBC	10:45PM	Chennai Central/MAS	04:40AM
2677	InterCity Express	Bangalore City Junction/SBC	06:15AM	Eranakulam Junction/ERS	04:50PM
2684	Eranakulam Express	Bangalore City Junction/SBC	05:15PM	Eranakulam Junction/ERS	04:20AM
2692	Chennai Express	Sri Satya Sai Prasanthi Nilayam/SSPN	07:10PM	Chennai Central/MAS	05:15AM
2725	Siddhaganga Express	Bangalore City Junction/SBC	01:50PM	Hubli Junction/UBL	09:45PM
2786	Kacheguda Express	Bangalore City Junction/SBC	06:20PM	Kacheguda/KCG	05:40AM
6206	Tippu Express	Bangalore City Junction/SBC	02:15PM	Mysore Junction/MYS	04:45PM
6216	Chamundi Express	Bangalore City Junction/SBC	06:15PM	Mysore Junction/MYS	09:10PM
6227	Shimoga Express	Bangalore City Junction/SBC	11:40PM	Shimoga Town/SMET	06:15AM
6227B	Shimoga Express	Bangalore City Junction/SBC	11:40PM	Shimoga Town/SMET	06:15AM
6315	Kochuveli Express	Bangalore City Junction/SBC	05:15PM	Kochuveli/KCVL	09:30AM
6321	Trivandrum Express	Bangalore City Junction/SBC	06:50PM	Trivandrum Central/TVC	12:00PM
6502	Ahmedabad Express	Bangalore City Junction/SBC	01:30PM	Ahmedabad Junction/ADI	04:00AM
6504	Satya Sai Prashanti Nilayam Express	Bangalore City Junction/SBC	06:45AM	Sri Satya Sai Prasanthi Nilayam/SSPN	10:45AM
6506	Gandhidham Express	Bangalore City Junction/SBC	09:50PM	Gandhidham Junction/GIM	02:00PM
6508	Jodhpur Express	Bangalore City Junction/SBC	09:50PM	Jodhpur Junction/JU	05:00PM
6524	Chennai Express	Bangalore City Junction/SBC	08:15AM	Chennai Central/MAS	02:45PM
6526	Island Express	Bangalore City Junction/SBC	09:45PM	Kanyakumari/CAPE	06:05PM
6530	Udyan Express	Bangalore City Junction/SBC	08:10PM	Mumbai CST/CSTM	07:50PM
6589	Rani Chennamma Express	Bangalore City Junction/SBC	09:15PM	C Shahu Maharaj Terminus/KOP	01:40PM
6592	Hampi Express	Bangalore City Junction/SBC	10:30PM	Hubli Junction/UBL	11:00AM
7209	Sheshadri Express	Bangalore City Junction/SBC	01:15PM	Kakinada Town/CCT	08:45AM
8464	Prasanti Express	Bangalore City Junction/SBC	02:00PM	Bhubaneswar/BBS	08:55PM
8564	Prasanthi Express	Bangalore City Junction/SBC	02:00PM	Bhubaneswar/BBS	08:55PM

Why This Kolaveri Di Full Video Song in HD.

Model question paper of ELECTRONIC MEASUREMENTS AND INSTRUMENTATION of Diploma 3rd Sem - E & CE

DERARTMENT OF TECHNICAL EDUCATION

DIPLOMA COURSE IN ELECTRONICS & COMMUNICATION ENGG.

THIRD SEMESTER

ELECTRONIC MEASUREMENTS AND INSTRUMENTATION

MODEL QUESTION PAPER

MAX MARKS:100 TIME :3Hrs

INSTRUCTIONS:-
1) SECTION-I IS COMPULSORY
2 ) ANSWER ANY TWO FULL QUESTIONS FROM EACH OF THE REMAINING
    SECTIONS.

SECTION –I

1(a) Fill in the Blanks 5 X 1 = 5

1. Wein bridge is normally used for the measurement of ________

2. An example of inverse transducer is__________.

3. _________coating is used to collect secondary electrons in CRT.

4. The standards maintained at National standard labs are called ________

5. Errors due to human mistakes are called ____________.

(b) Write a note on IEEE488 GPIB interfacing. 5

SECTION-II

2 (a) Explain with a block diagram, the operation of a generalized electronic

measurement system. 9

(b) Define (i) accuracy (ii) Precision (iii) Error w.r.t measurements 6

3(a) A 0-100Volt Voltmeter has an accuracy of 1% of full scale reading.
If the voltage measured by this instrument is 83 volts, find the limiting error in percentage 5

(b) Explain the use of wein's bridge in frequency measurement.
Derive the equation for unknown frequency. 10

4(a) Explain the operation of the basic PMMC movement . 7

(b) Explain the basic principle of Electrodynamometer . 6

SECTION-III

5(a) With the help of a block diagram, explain the operation of Digital Storage

Oscilloscope. 9

(b) What are lissajous patterns?. Explain how they can be used for phase difference

measurement. 6

6(a) Explain the working of Heterodyne wave analyzer. 6

(b) list the uses of Spectrum analyzer. 3

7(a) Explain the principle of LVDT displacement transducer. 6

(b) List the advantages and disadvantages of thermistors. 4

SECTION-IV

8(a) Explain the working of Chopper DC amplifier type voltmeter. 7

(b) Explain the operation of Q meter. 8

9(a) Explain the working of Successive approximation type DVM. 10

(b) List the advantages of digital instruments. 5

10(a) Explain the principle of digital time interval measurement. 5

(b) List the precautions to prevent instrument damage. 5

(c)Write a note on shielding. 5

Model question paper of Digital Electronics of Diploma 3rd Sem - E & CE

DERARTMENT OF TECHNICAL EDUCATION

DIPLOMA COURSE IN ELECTRONICS & COMMUNICATION ENGG.

THIRD SEMESTER

MODEL QUESTION PAPER

Digital Electronics and Introduction to Microprocessor

MAX MARKS:100 TIME :3Hrs

INSTRUCTIONS:-
1    SECTION-I IS COMPULSORY
2    ANSWER ANY TWO FULL QUESTIONS FROM EACH OF THE REMAINING
    SECTIONS.

SECTION: I

1    a    Fill in the blanks with suitable words                                      1X5
    (i)    The number of comparators required to build an 8-bit flash
        ADC is--------------
    (ii)    Register which keeps track of instruction execution is---------
    (iii)    MC68000 is a ---------- bit processor
    (iv)    RISC stands for ----------
    (v)    A basic memory cell in a DRAM is ----------

    b    Write a note on Generic Array Logic      5

SECTION: II

2    a    Explain the circuit operation of TTL Nand gate for low and
        high state      10
    b    What three characteristics of real wires add up to distort
        signals that move through them                                        3
    c    What is the IEEE/ANSI symbol for tristate outputs     2

3    a    Explain the working of Binary ladder network for converting
        the digital to analog data                                                                8
    b    Define the terms Resolution & Accuracy as applied to DAC    4
    c    Determine the resolution of a 12-bit A/D converter having a
        full scale analog input voltage of 5v.                                             3

4    a    Explain the working of Successive approximation type ADC
        with block diagram     8
        the digital to analog data
    b    Define quantization error in ADC’s    3
    c    Explain the working of low frequency function generator using
        DAC              4
                                                                          SECTION: III

5    a    Define the terms i) memry cell ii) memory word iii) Access
        time     6
    b    With A CPU memory connection block diagram explain the
        steps that take place when the CPU writes to memory    6
    c    Explain the construction of basic SRAM memory cell    3

6    a    Two 16MB RAMs are used to build a RAM capacity of 32MB.
        Show the configuration and also state the address inputs for
        which the two RAMs will be active. The two RAMs have
        common i/o pins, a write enable i/p that is active low and a
        active high chip select i/p.       8
    b    Write a note on Cache memories    4
    c    mention the differences between fixed logic and
        programmable logic                           3

7    a    With neat block diagram explain the internal architecture of
        CPLD    8
    b    Implement the Boolean function Y= BC+ A C+ABC using
        PAL    5
    c    Mention the number of i/o lines in PAL device designated as
        PAL-16L8    2

                                         SECTION: IV

8    a     Explain the inside of a Microprocessor with a neat schematic    7
    b    Explain the following addressing modes i) Immediate
        ii) Indexed    04
    c    List the differences between RISC and CISC processors    4

9   a    List the differences between Microprocessor and
        Microcontroller                                                                   4

    b    Explain the inside of a Microcontroller with a neat schematic    7
    c    List the advantages and disadvantages of LCD    4


10    a    Explain the operation of seven segment display.    6

b Explain the operation dynamic scattering type of LCD. 6

c Write a note on multiplexed displays. 3

Model question paper of Analog Electronics of Diploma 3rd Sem - E & CE

DERARTMENT OF TECHNICAL EDUCATION

DIPLOMA COURSE IN ELECTRONICS & COMMUNICATION ENGG.

THIRD SEMESTER

MODEL QUESTION PAPER

ANALOG ELECTRONIC CIRCUITS

MAX MARKS:100 TIME :3Hrs

INSTRUCTIONS:-

1 SECTION-I IS COMPULSORY

2 ANSWER ANY TWO FULL QUESTIONS FROM EACH OF THE REMAINING SECTIONS.

SECTION I

1 A) FILL IN THE BLANKS WITH APPROPIRATE WORDS:- 1X5

I) The Ripple Factor of Bridge rectifier is ______________.

ii) The Cross over Distortion is overcome in _____________amplifier.

iii) The input impedence of an Ideal OPAMAP is ______________.

iv) PLL stands for ______________.

v) Oscillator uses _______________Feedback.

B) Write a note on IC Switching Regulators. 5

SECTION :II

2 a) Define the following terms

I) Ripple Factor. II)Regulation. 4

b) Explain block diagram regulated Power Supply. 6

c) Explain operation of Bridge Rectifier with a neat circuit diagram. 5

3 a) Explain the circuit of Series Voltage Regulator. 6

b) Explain the need for filters in rectifiers. 5

c) Mention the advantages of SMPS. 4

4a) Explain functional block diagram of IC 555 Tmer. 10

b) Explain the operation of Collpits Oscillator. 5

SECTION : III

5a) Define Biasing . Explain Voltage divider Bias with a neat Circuit diagram 6

b) Give the detailed classification of Amplifiers. 4

c) Explain the frequency response of RC coupled amplifiers. 5

6a) Explain the working of complementary push pull power amplifier with a neat circuit. 7

b) A cascaded voltage amplifier having Gains A_v1=10, A_v2=15, A_v3=20 Determine

overall Voltage gain and Gain in Decibels. 4

c) Explain double ended Clipper with a neat circuit diagram. 4

7a) Explain the operation of RC Differentiator and Integrator Circuit with waveforms. 10

b) List the application of Clippers and Clampers. 5

SECTION :IV

8a) Draw and explain block diagram of LM741 opamp. 5

b) List the ideal characteristics of opamp. 5

c) Explain the operation of Schmitt Trigger circuit using OPAMP. 5

9a) Define the following parameters w.r.t OPAMP

i) PSRR ii) CMRR iii) Gain-Bandwidth product

iv) Slew rate v) Input and Output Impedance. 10

b) Describe the Instrumentation Amplifier circuit. 5

10a) Explain the I st order Butterworth Active Low Pass using OPAMP. 5

b) Explain the circuit of Voltage to frequency Converter . 5

c) Explain the operation of PLL . 5

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