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Tuesday, 21 February 2017

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ISRO previous year question papers for electronics and commnications(ECE)



Indian space research organisation is one the center to study about the space.ISRO (Indian Space Research Organization) is to develop space technology and its application to various tasks of national and international interest.
every year they release a notification to recruit a young scientist. So to Get clear the written exam you must start preparation from now onwards.The exam paper will totally objective with negative marking,the syllabus is totally similar to GATE syllabus but some questions will also come from basic computers.

The cutoff for the written exam will changes for every year, But approximately if you get 150 marks then there is a chance of getting call for Interview.

How to prepare to the ISRO written exam:

The exam question will be like a GATE model questions.So be thorough with all the topics and practice all last 10 previous ISRO ,GATE, IES papers.No need to study in depth concepts to clear written exam because there is a less time to study so, practice all previous questions of GATE, IES, ISRO and try yourself to get the solutions to the previous questions. I  think previous question is enough to clear written exam but the chance of Repetition of the questions is very less, they may ask similar models as in previous questions so, practice all the questions clearly.

Mainly concentrate more on weightage subjects like ANALOG CIRCUITS, DIGITAL ELECTRONICS, ELECTROMAGNETIC FIELDS, COMMUNICATIONS,ANTENNA BASICS.  their is a chance of getting more questions from these subjects.


Previous ISRO questions papers with answer in pdf format:

ISRO 2016 paper Download     ANSWER KEY

ISRO 2015 paper Download 

ISRO 2014 paper Download 

ISRO 2013 paper Download


ISRO 2012 paper Download     

ISRO 2011 paper Download 

ISRO 2010 paper Download 

ISRO 2009 paper Download 

ISRO 2008 paper Download 

ISRO 2007 paper Download 

ISRO 2006 paper Download 
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ISRO Electronics Exam pattern and 2017 weightage of marks

ISRO is one of the Space company in india, every year they recruit engineering graduates as a Scientists in one of their centres, ISRO has many centres in india, Here we provide you  exam pattern and weightage analysis for ISRO Electronics exam based on previous year exams.

ISRO Electronics Exam pattern & Selection process:
  • written exam is of objective type.
  • paper consist of 80 questions carries of total 240 Marks and time allotted is 90 mins.
  • Each question carries 3 marks for correct answer (1 Mark is deducted for each wrong answer).
  • Selection is based on written test and performance in interview.
 Following weightage of marks is expected for ISRO Electronics exam.
  • Electromagnetics15 to 20 Questions (45 Marks to 60 Marks)
  • Communications - 15 to 20 Questions (45 Marks to 60 Marks)
  • Electronic Devices – 10 to 12 Questions (30 Marks to 36 Marks)
  • Networks – 7 to 11 Questions (21 Marks to 33 Marks)
  • Digital Circuits & Micro-processor – 6 to 10 Questions (18 Marks to 30 Marks)
  • Signal and Systems – 5 to 7 Questions (15 Marks to 21 Marks)
  • Microwave Engineering – 4 to 6 Questions (12 Marks to 18 Marks)
  • Analog Electronics – 3 to 5 Questions (9 Marks to 15 Marks)
  • Control Systems - 3 to 6 Questions (9 Marks to 18 Marks)
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ISRO syllabus for electronics and communication(ECE)

ISRO Scientist-B recruitment exam syllabus 2017:
The syllabus is similar to ECE GATE syllabus,we should prefer GATE and IES electronics syllabus for any competitive exams, In isro written exam some questions will be asked from computer engineering which is not in Gate syllabus, here I am giving basic syllabus based on previous papers,You can also see the previous isro papers here.

(1) Electronic Devices and ICs:      
Energy bands in silicon, intrinsic and extrinsic silicon. Carrier transport in
silicon: diffusion current, drift current, mobility, and resistivity. Generation and recombination of carriers. p-n junction diode, Zener diode, tunnel diode, BJT, JFET, MOS capacitor, MOSFET, LED, p-I-n and avalanche photodiode, integrated circuits fabrication process, oxidation, diffusion, ion implantation, photolithography, n-tub, p-tub and twin-tub CMOS process.
   
Straightforward problems are only asked, which can be solved with basic concepts in diode, BJT, JFET and MOSFET(less important). Expect theory questions also from other topics. 

(2) Signals and Systems:
Classification of signals and systems; System modeling in terms of differential and difference equations; Fourier series; Fourier transforms and their application to system analysis; Laplace transforms and their application to system analysis; Convolution and superposition integrals and their applications; Z-transforms and their applications to the analysis and characterization of discrete time systems; Random signals and probability; Correlation functions; Spectral density; Response of linear system to random inputs.
(3) Network Theory:
Network analysis techniques; Network theorems, transient response, steady state sinusoidal response; Network graphs and their applications in network analysis; Tellegen's theorem. Two port networks; Z, Y, h and transmission parameters. Combination of two ports, analysis of common two ports.
(4) Electromagnetic Theory:
Analysis of electrostatic and magneto-static fields; Laplace's and Poisson's equations; Boundary value problems and their solutions; Maxwell's equations; application to wave propagation in bounded and unbounded media; Transmission lines: basic theory, standing waves, matching applications, Elements of antenna theory and microwave basics.

Expect majority questions from this topic. Study this topic really well, as many theory questions and problems are asked from this. Many questions from microwave is asked which is out of syllabus for gate. Study satellite communication link design and antenna theory also. Questions from topics which we don’t usually find important for GATE can come.
(5) Analog Electronic Circuits:
Transistor biasing and stabilization. Small signal analysis. Power amplifiers. Frequency. response. Wide banding techniques. Feedback amplifiers. Tuned amplifiers. Oscillators, Rectifiers and power supplies. Op Amp, 555 timer, PLL, other applications. Pulse shaping circuits and waveform generators.

Mainly circuits with BJT and OPAMPS only asked. Also learn Rectifiers with zener diode
 
(6) Digital Electronic Circuits:
Boolean algebra, simplification of Boolean function Karnaugh map and applications; IC Logic gates and their characteristics; IC logic families: DTL, TTL, ECL, NMOS, PMOS and CMOS gates and their comparison; Combinational logic circuits; Half adder, Full adder; Digital comparator; Multiplexer De-multiplexer; ROM and their applications. Flip-flops. R-S, J-K, D and T flip-tops; Different types of counters and registers. Waveform generators. A/D and D/A converters.

Lot of very straight forward questions asked. So brush up everything and study A/D converters which is not that important for gate.
(7) Control Systems:
Transient and steady state response of control systems; Effect of feedback on stability and sensitivity; Root locus techniques; Frequency response analysis. Concepts of gain and phase margins; Constant-M and Constant-N Nichol's Chart; Approximation of transient response from Constant-N Nichol's Chart; Approximation of transient response from closed loop frequency response; Design of Control Systems; Compensators; Industrial controllers.

Very few questions are asked, that too straight forward negative feedback question, system response etc. and related to concepts in root locus and other graphical methods
(8) Communication Systems:
Random signals and noise: probability, random variables, probability density
function, autocorrelation, power spectral density. Analog communication systems: amplitude and angle modulation and demodulation systems, spectral analysis of these operations, superheterodyne receivers; signal-to-noise ratio (SNR) calculations for amplitude modulation (AM) and frequency modulation (FM) for low noise conditions. Digital communication systems: pulse code modulation (PCM), differential pulse code modulation (DPCM), digital modulation schemes: amplitude, phase and frequency shift keying schemes (ASK, PSK, FSK), matched filter receivers, bandwidth consideration and probability of error calculations for these schemes. Basics of TDMA, FDMA and CDMA and GSM.

Compared to gate syllabus, this is having lot of advanced topics. Study each and every heading in this. Anything can be asked (mostly direct but expect little tricky questions here). Even questions from coding theory have been asked even though not in GATE syllabus.
 
(9) Computer Engineering:
Number Systems. Data representation; Programming; Elements of a high level programming language PASCAL/C; Use of basic data structures; Fundamentals of computer architecture; Processor design; Control unit design; Memory organization, I/o System Organization. Microprocessors: Architecture and instruction set of Microprocessor's 8085 and 8086, Assembly language Programming. Microprocessor Based system design: typical examples. Personal computers and their typical uses.

This topic you will find difficult to study, as it is not for GATE and from previous year paper it is not easy for pin pointing even the correct syllabus. Many topics electronics students are not studying(mostly computer science people only knows the answers so get their help in finding answers in the previous year papers). Better don’t waste too much time in this. Study only basic concepts in computer networks, computer organization and microprocessor (study if you have done it as part of university syllabus and leave the more advanced topics in this and devote more time on to gate syllabus part)


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Monday, 20 February 2017

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Know about wearable devices technology

Wearable devices are miniature electronic devices and their market is expanding at high rate. There are many examples of "wearables¨ available today. For example, smart glasses, ear buds, headphones, smart clothing, smart watches, fitness bands, smart jewellery. Mobile Wearable technologies is the pioneer and worldwide leading innovation and market development platform for technologies worn close to the body, on the body or even in the body. Thus, all types of "wearables" are portable however they are also related to the cloud-based services that take the data from the devices and return analytics and insights to benefit the user.
While designing wearable technologies factors to be considered are as follows:
  •  Power. Power consumption is a critical design requirement and thus a challenge in "wearables". Battery power in "wearables" is expected to last for a significant amount of time.
  •  Connectivity. "Wearables" require connection with other devices via wireless connectivity. Wireless protocols are Wi-Fi, Bluetooth Low Energy, IEEE 802.15.4. Many times wearable devices support more than one wireless protocol.
  • Size. Technology is becoming more and more versatile along with decreasing its size; such technology also attracts the market. Same is the case with wearable devices i.e very powerful functions are to be packed into a very small space. As they need to be compact, a small touchscreen with gesture detection capabilities is carried on wearable electronic. The touchscreen can be capacitive, resistive, surface acoustic wave, and optical imaging.
  •  Aesthetics. While maintaining size and functions, best wearable devices also need to be stylish and fashionable and blend well with other ornaments.
  •  Tolerance. Based on the type of wearable device, tolerance of heat, water and vibrations becomes a necessity. For example, smart watches need to be tolerant to water and same is expected from fitness bands.
Google Glass is one of the most publicized wearable electronic device. Google glass is a pair of glasses to wear that has a mini display screen which can be seen in the corner of vision. There is a touch pad on the side of the glasses which can be used to access information and a camera to capture activities going on in front. It also has a microphone, so voice recognition can be used to type messages or to send commands, same as Apple's Siri or Google's version of Siri, called Google Now.

The wearable market grows more and more as the interaction between watches, phones, glasses, headsets, and clothing increases. So, with more devices in the market each day, developers are needed to build applications for these devices. Wearable devices will change the way applications are designed and developed. For example, Google's Android Wear is an Android platform that will help developers build apps that work on the various wearable devices.
Wearable technologies are used in almost all fields, such as follows:
  • Sports and Fitness. Tracking performance is increasingly important for athletes to get qualified input about vital data during workouts. Wearables devices make such measurements smooth and unobstructive. Some "wearables" widely in use in this category are GPS watches, heart rate monitors and pedometers.
  • Healthcare and wellness. Remote patient monitoring has become possible. Wearable medical devices give patient freedom to move around as they like. 
  •  Security and prevention. Wearable Technologies are used to ensure highest, up-to-date safety and security standards. For example, special lighting technologies for better visibility, home security systems, protective clothing and special gear for extreme sports, rescue teams, workers, or tracking devices for a healthy lifestyle.
  • Gaming and lifestyle. World of gaming is undergoing huge changes, and the "Wearables" are playing a massive role in it.
AUTHOR: Rufyid u Nissa
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Thursday, 16 February 2017

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Electronics and Communication Engineers-ECE-jobs 2017 (390 vacancies)

Electronics Engineering Graduates, who pursing 2017 final year or recently 2016 completed engineering degree holders and experienced professionals get your discipline wise suitable Government and private ece core jobs in various companies - latest ece recruitment / ece vacancy details here.


ECE Engineering Graduates recruiting Government of India owned Public Sector Undertakings Companies / private Organizations List: BHEL, BEL, Coal India, HPCL, EIL, BPCL, Mazagon Dock, MECON, NACL, NLC, NMDC, SAIL, NTPC, IOCL, ONGC, Power Grid, Railtel, RITES, UCI,INTEL,CISCO,QUALCOMM etc. Latest Upcoming Graduate Engineering Govt Jobs 2017 listed in the following table. The Total Number of ece Vacancies is Approximate Numbers, but not accurate.

Latest Core jobs for electronics and communication engineers in different companies

here we provide latest job updates for diploma/B.E/B.tech/M.E/M.tech qualified candidates.
Company Post Name-vacancies Last date More details
ISRO Scientist/Engineer -42 07/03/2017 Apply
IIA Engineer Trainee-2 27/02/2017 Apply
Ecil(walkin) Engineer-2 16/02/2017 Apply
Indain navy SSC-10 24/02/2017 Apply
BARC Scientists-10 14/02/2017 Apply
Indian Army SSC-29 vacancy 22/02/2017 Apply
Indian Railway 1.Junior Engineer - 07 vacancies
2. Assistant Loco Pilot- 224 vacancies
10/02/2017 Apply
Centre for Railway Information Systems Junior Software Engineers (JSE)-40
Junior Network engineers-14
08/02/2017 Apply
Vasavi Electronics R&D Engineer-5 vacancy ASAP Apply
Hindustan Petroleum Corporation Limited (HPCL) Engineers-5 vacancy 10/02/2017 Apply



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Wednesday, 15 February 2017

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ISRO Scientist/ Engineer jobs for ECE

Abou Company: Indian Space Research Organization/Department of Space Centres/Units are engaged in Research and Development activities in development of Space Application, Space Science and Technology for the benefit of society at large and for serving the nation by achieving self-reliance and developing capacity to design and build Launch Vehicles and Communication/Remote Sensing Satellites and thereafter launch them. ISRO strives to serve the nation in the areas of television broadcast, Location based services, telecommunication, meteorological application and in management of our natural resources. The Indian space programme continues to pursue successful goals on all fronts in meeting the objective of achieving selfreliance
in space technology and its applications for national development.

Post Name: Scientist/Engineer 'SC’ [Electronics]
No.of Posts: 42 


Last Date: 07-03-2017


Eligibility: BE/B.Tech or equivalent qualification in first class with an aggregate minimum of 65% marks or CGPA 6.84/10 (average of all semesters for which results are available). Candidates applying with qualification of AMIE/Grad IETE should have 65% marks or CGPA 6.84 in Section ‘B’ alone. Candidates who are going to complete the above course in the academic year 2016-17 are also eligible to apply, provided final degree is available by 31/8/2017. The qualification prescribed and the benchmark are only the MINIMUM requirement and fulfilling the same does not automatically make candidates eligible for Written Test.

Application Fee: There will be an Application Fee of ₹100/- (Rupees One Hundred Only) for each application. Candidates may make the payment ‘online’ using Internet Banking/Debit Card or ‘Offline’ by visiting nearest SBI Branch. Candidates after submitting their application can pay application fee immediately or any day before the last date for fee payment i.e. 08.03.2017 (11.59) pm. The last date for submitting online application is 07.03.2017.


How to apply: The application for on-line registration will be hosted in the ISRO web-site between 15.02.2017 and 07.03.2017. Candidates may visit our web-site at www.isro.gov.in to register their applications on-line between 15.02.2017 and 07.03.2017. The candidates registered under National Career Services (NCS) portal and fulfilling the eligibility conditions may visit ISRO website and follow the application procedure as stated. Applications will be received on-line only. Upon registration, applicants will be provided with an on-line Registration Number, which should be carefully preserved for future reference. E-mail ID of the applicant will have to be given in the application compulsorily. The on-line application has to be invariably followed-up with a `No Objection Certificate’ from the employer concerned, by those already in employment under Central/State Government, Public Sector Undertakings or Autonomous Bodies, duly indicating the name and Reg. No. on the reverse

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Apply Online

ISRO Written test Syllabus

ISRO Mock exam 

ISRO Previous papers
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Tuesday, 7 February 2017

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Indian Institute of Astrophysics (IIA) 2017 recruitment

About Company:  The Indian Institute of Astrophysics (IIA) is an autonomous academic national institution of the Department of Science & Technology, Govt. of India dedicated to research in Astronomy, Astrophysics and Allied Sciences & Technology. The Institute has its main campus in Koramangala, Bengaluru and CREST campus at Hosakote, Bengaluru. It operates field stations at Kavalur & Kodaikanal in Tamil Nadu, Gauribidanur in Karnataka, and Leh/Hanle, Ladakh in Jammu & Kashmir.

India has joined the Thirty Meter Telescope (TMT) project, the next generation astronomical observatory that will be located on Mauna Kea, Hawaii. India’s participation in the TMT Project, led by the Indian Institute of Astrophysics (IIAP, Bengaluru, Inter University Centre for Astronomy and Astrophysics (IUCAA), Pune and Aryabhatta Research Institute for Observational Sciences (ARIES), Nainital is coordinated by the India TMT Coordination Centre (ITCC) hosted at IIA, Bengaluru. The TMT project is an international partnership between California Institute of Technology (CalTech), Universities of California, Canada, Japan, China and India. More details about the project may be obtained from http://tmt.iiap.res.in

The Thirty Meter Telescope (TMT) will be the world’s most advanced ground-based observatory that will operate in optical and mid-infrared wavelengths. It will be equipped with the latest innovations in precision control, phased array of mirror segments and laser guide star assisted adaptive optics system. At the heart of the telescope is the segmented mirror, made up of 492 individual hexagonal segments, each 1.44-m in size. Precisely aligned, these segments will work as a single reflective surface of 30-m diameter. India is responsible for providing various critical hardware components and software to the telescope as part of in-kind contribution. Manufacturing of the sub-systems by Indian industry are at various stages.

Online applications are invited from eligible candidates for the following positions to work in the Institute:

Name of the position: ENGINEER TRAINEE
No. of position:No. of position: Two
Age limit : 26 years.
Remuneration : Rs. 20,000/- per month (inclusive of all)
Place of work : Bangalore
Qualification : a)Essential: B.E/B.Tech/M.Sc or equivalent in the field of Electronics and
Telecommunication/Computer Science with a recommended minimum of 60% marks from a recognized University/Institution. Percentage of marks is relaxable if the candidate's technical experience is exceptional.
OR
BCA/MCA with minimum 60% marks from a recognized University/ Institution. Percentage of marks is relaxable if the candidate’s technical experience is exceptional.
b)Desirable: Redhat Certified Engineer (RHCE) certification.
Experience : Candidates having working experience in the field of computer networking, hardware and OS support will get preference.
Scope of work: To support laptop and desktop installation troubleshooting and maintenance with Linux and Windows OS. Installation of required applications on laptops and desktops. LAN troubleshooting and maintenance. Candidate may be required to travel to field stations when required.

The last date for receipt of application is 27.02.2017.
 Important dates to remember
Opening date for on-line registration: 27.01.2017.
Closing date for on-line registration: 27.02.2017.

Click here for more details


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Monday, 6 February 2017

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ECIL Walk in for Electronics engineer

 ECIL, a Public Sector Enterprise under Department of Atomic Energy is looking for dynamic and result-oriented persons for the following positions on contract basis initially for a period of two years (extendable by one more year depending upon on project requirements) having maintenance experience to work at Kolkata and Guwahati as per the site requirements. 

Qualification & Experience:A First class Engineering Degree in ECE/ CSE/ E&I with minimum 60% marks in aggregate from any recognized Institution/University with 2 (two) years post qualification experience in the field of maintenance of computer hardware, peripherals, LAN & WAN networks, active network equipment’s such as Switches, Modems and Routers, managing and trouble shooting of OS like Windows NT /95 /98 /2000 /XP /2000 server. Certifications like MCP, CCNA shall be preferable.
 
The walk-in-interviews will be held on 16.02.2017 (Thursday) at ECIL ZONAL OFFICE, 4th FLOOR, APPEJAY HOUSE, 15, PARK STREET, KOLKATA-700016 (WEST BENGAL) Ph.No.033-22172696

HOW TO ATTEND:Eligible candidates may download the application format from our website www.ecil.co.in and attend the interview between 0930 hrs to 1400 hrs. on 16.02.2017 with duly filled in application along with all original certificates in support of date of birth, qualification, experience and caste etc., with one set of photocopies and recent passport size colour photograph at the indicated above.
The selection will be based on interview performance. ECIL reserves the right to cancel/restrict/enlarge/modify the vacancies notified/recruitment process if need so arises, without assigning any reason.
No TA/DA will be paid for attending interview.

Click here for more details

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Indian navy 2017 jobs for ECE

Applications are invited from unmarried Men candidates for grant of Short Service Commission in Executive Branch (General Services/Hydro Cadre) and Technical Branches of the Indian Navy for January 2018 Course at Indian Naval Academy (INA) Ezhimala, Kerala.

Educational Qualifications : Candidates must have completed BE/B. Tech Degree with minimum 60% marks in aggregate from a recognised university in one of the following specified streams:
 Executive (GS) Branch Executive (GS/Hydro Cadre) : BE/B. Tech (Any discipline)

Engineering Branch (General Service) : (i) Marine Mechanical, Aeronautical, (ii) Production, (iii) Metallurgy, (iv) Control, (v) Electrical/Electronics, (vi) Telecommunication, (vii) Computer Science, (viii) Instrumentation, (ix) Instrumentation & Control, (xi) Automotive, (xii) Mechtronics, (xiii) Aerospace & (xiv) BS Engineering

Electrical Branch (General Service) : (i) Electrical (ii) Electronics (iii) Tele Communication (iv) Computer Science (v) Power Engg. (vi) Electronics and Communication (vii) Control System Engg. (viii) Power Electronics (ix) Instrumentation & Control Engg. (x) Electronics & Instrumentation Engg.

Physical Standards : (a) Height& weight: Minimum height Male – 157 cm, Female – 152 cm with correlated weight. Eye Sight : Executive (GS/Hydro) Without Glass : 6/12 With Glass : 6/6 Technical (General Service) Without Glass : 6/24 With Glass : 6/6

 Age Limit : The candidates applying for the above entries must born in 02nd January 1993 to 02nd July 1998 inclusive.

Selection Procedure : (a) The candidates will be issued call up for Services Selection Board (SSB) based on their performance in Degree Course. If a candidate possesses higher qualification with better percentage, his higher qualification will be considered for cut off. Integrated Headquarters, Ministry of Defence (Navy) reserves the right to shortlist applications and to fix cut off percentage. No communication will be entertained on this account. SSB interviews for short listed candidates will be scheduled at Bangalore/ Bhopal/Coimbatore/Visakhapatnam during May 17 to Jul 17.

How to apply: The candidates are to Apply Online (e-application) latest by 24th February,2017.

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Thursday, 2 February 2017

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BARC 2017 Recruitment of Trainee Scientific Officers

BARC invites application for the post of recruitment of trainee scientific officers


Last date: 14th February, 2017

Qualifications:Engineers with a B.E./B.Tech./B. Sc (Engg) degree in Mechanical, Chemical, Metallurgical, Electrical, Electronics, Computer, Instrumentation and Civil engineering.

How to apply: interested candidates should apply online before 06-02-2015

Apply online

Barc Exam syllaus
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