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Electronic Workbench Upwork freelancers typically receive a client rating of 4.80.

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Last updated: August 1, 2015

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  1. Muneeb M.

    Muneeb M.

    Electronic Engineer by profession, Excel and VBA Expert by choice!

    Pakistan - Last active: 08/11/2014 - Tests: 5 - Portfolio: 1

    A result-oriented individual with strong self-learning and creative problem-solving capabilities. I generate results with start-to-finish, nothing-to-chance style. I have excellent comprehension and retention abilities, and believe in complete understanding of my primary as well as peripheral tools and processes. A combined experience of about 16 years dealing with computers and their users. 4 years of programming experience in VB, VBA, C/C++, SPIN, Assembly. Well-versed in Microsoft tools (Excel, Word, PowerPoint, SharePoint, Windows and other nits and bits).

    $10.00 /hr
    80 hours
    5.00
  2. ARNOLD SILLOTE

    ARNOLD SILLOTE

    The Achiever

    Philippines - Last active: 1 day ago - Tests: 3

    This opportunity will be beneficial to me as well as my employer for it will provide room for growth, optimize my knowledge and skill to become more productive. Working with top businesses will not only bolster my confidence but will develop my ability even further to meet the challenges and the demand of my prospect employers in the future. I was working as a maintenance personnel in the government sector dealing in civil aviation for more than 7 years. During that period, I was exposed in different equipments namely: Non directional beacon, VHF Transmitters and Receivers, Radar, and other communication apparatus including handling of test equipments (Signal Generators, oscilloscope, multi-meters, etc.). Trainings and Seminars further solidified my technical background. I am computer literate both hardware and software with great inclination in information technology. I spent my time in reading and net surfing.

    $3.00 /hr
    0 hours
    0.00
  3. Mark Anthony Rojas

    Mark Anthony Rojas

    System Integrator and Business Analyst

    United Arab Emirates - Last active: 06/24/2014 - Tests: 4 - Portfolio: 2

    • Results driven IT professional with notable success directing a broad range of corporate Business Analyst while participating in planning, analyzing and implementing solutions in support of business objectives. • Relevant experience gained in sales and marketing involving direct contact with customers. • Hands on experience in Electronic Data Interchange (EDI) and IP communication protocols like FTP, FTP/s, (SCP, SFTP), AS2. • Diverse background includes software analysis for automotive, pharmaceutical, logistic, retail and manufacturing • System integration (connectivity or trading partner setup) • Excellent coordinator with high level skills in analyzing, problem solving and building effective relationships with customers. • Excellent working knowledge in Microsoft Office. • Excellent in written and oral communication.

    $15.00 /hr
    0 hours
    0.00
  4. Ammar Azhar

    Ammar Azhar

    Web Researcher, Electrical Engineering Design, Real Estate

    Pakistan - Last active: 4 months ago - Tests: 4 - Portfolio: 7

    I have 2 years experience of Electrical Engineering Circuit Design. I also work as a Incorporated Engineer in WAPDA, Pakistan Electricity company. I also have the following Skills Administrative Support -VA/PA -Real Estate -MS Word -Data Entry -Social Marketing -Internet Research -MS Excel -Ms Power point -Data Scrapping -Data Warehousing etc...

    $3.34 /hr
    4 hours
    0.00
  5. Lianne T.

    Lianne T.

    Data Entry / Researcher / Virtual Assistant /Article Writer

    Philippines - Last active: 20 days ago - Tests: 5 - Portfolio: 5

    I am a Filipino and I am fluent in English and Tagalog. With the extensive exposure that I have in my collegiate training, I have learned to be flexible enough and develop different skills such as Data entry, Web Researching, Google Docs and have knowledge in any other Microsoft Applications. I also specialize in Email Generation, Wordpress, and Salesforce tasks. I am organized, resourceful and fast-learner. I am seeking for opportunities to utilize my skills and abilities, and produce quality work for any related job available.

    $5.00 /hr
    621 hours
    4.98
  6. John lester S.

    John lester S.

    Senior Electronic Hardware Design Engineer

    Philippines - Last active: 20 hours ago - Tests: 3 - Portfolio: 10

    More than 10 years of experience in circuit design and product development. Have long time experience in doing electrical and electronic schematics. Experienced in switching converter design such as flayback, boost, buck, forward, ITTF, LLC and others. Have experience in designing low to high power switch mode power supply from proto to mass production. Capable of doing detailed analysis such as worst case, design failure mode and effects analysis, monte carlo and reliability prediction to come up with a robust and high quality design. Have long experience in implementing customer requirements and designing circuit from scratch that best fit the specifications. Capable of leading people. Summary of Capabilities: 1. AC-DC power supply design, switching and linear, multiple outputs or single, trimmable or fixed 2. DC-DC power supply design 3. Offline AC-DC adapter design 4. Charger design with constant current and constant voltage, AC-DC 5. Charger design with constant current and constant voltage , DC-DC for Li-Ion, Li-Poly, LiFeP04, Lead acid and so on 6. LED lighting related applications 7. Solar panel energy harvesting and charging systems 8. Switching converters such as buck, boost, buck-boost, flyback, forward, LLC, half bridge etc 9. Amplifiers, filters, switch 10. MCU, DSP and digital circuits 11. Schematic and PCB using eagle 12. Simulations using LTSpice, Matlab, Simulink, Simetrix and Simplis 13. Design analysis and computations using Mathcad 14. Control system design, type 1,2,3 and PID using spice, SISO tool in Matlab or Simulink control design Projects: 1. 750 W AC-DC, efficiency 94% This is a three stage design consisting of power factor correction circuit (boost topology), buck pre-regualtor and main DC-DC (half bridge resonance). The supply has EMI filter on board and passed CE and FCC or ICES emission limits. This supply is compliant to line surge; can withstand 2.6kV and 1.3kV common mode and differential mode voltage spikes. It complies to ESD, EFT, ringwave, dips and interruptions and harmonics and of course conducted and radiated EMI. The design has an auxilliary circuit which is a flyback topology that provides power to the control and houskeeping circuits. The main controllers are digital signal controllers (DSC). Some features includes but not limited to: a) Current sharing, b) Startup short protection, c) Running Short Protection, d) Over voltage protection, e) Under voltage protection, f) Power limit, g) Higher power factor (close to unity), h) holdup of 20msec, i) over current protection, j) over temperature protection, k) output reporting, l) input reporting, m) higher accuracy 2. 500 W AC-DC, efficiency 92% Have the same features as above. This PSU is composed of two stage only; PFC and LLC resonant converter. 3. 360 W AC-DC, 90% efficiency, variable output This power supply has variable output voltage from 14.25V to 16.5V. Two stage design using PFC and LLC resonant converter. All the basic circuits in item number one are in place. All the international standards are also met. This power supply has a convection rating of 220W; meaning it can handle this power without a fan cooling. This is ideal for medical and other fanless applications. 4. 450 W AC-DC, 92% efficiency, multiple outputs This power supply has multiple outputs. It has 12V/21A, 5V/30A, 3.3V/10A and standby of 5V/4A. All the international standards are in place and has all the protections needed as item number 1 above. 5. 50W buck-boost design This is used for e-cigarrete. It can handle continuous 50W with variable output voltage of 1V to 10V. It is powered by a 3.7V rechargeable batttery. 6. AC-DC, 5W charger design with constant current and contant voltage 7. Charging circuit for solar panel applications 8. Lithium Ion Charger 32V input to 24V output with variable charge current 9. Energy saving standby circuit 10. Smart Junction boxes for automotive. This is the one controlling all the body electronics of an automobile. Such as headlights, foglights, wipers, mirrors, heated mirror, fans, etc.

    $30.00 /hr
    11 hours
    4.40
  7. Muhammad farhan S.

    Muhammad farhan S.

    Research Writer & Developer

    Pakistan - Last active: 1 month ago - Tests: 2 - Portfolio: 6

    I am qualified in electronics, graduated in Political Science and mastered in Sociology. I am adept at technical writing, research and development of various social and technical projects for un-wired world. Developed contents for CNET, Amazon, buy.com and wallmart, various military Mags, and Sociopolitical think tanks. I'm a Spread Spectrum you Need.

    $5.56 /hr
    0 hours
    4.49