Latest Space News
Tue, 17 Jul 2018 00:28:34 +0000
Maxar Technologies on July 16 purchased Neptec, a Canadian company with robotic expertise deemed useful for in-space activities like satellite servicing and building space stations. SpaceNews.com
Mon, 16 Jul 2018 19:27:06 +0000
A solid rocket booster designed for both the Ariane 6 and Vega C next-generation launchers completed a successful test firing Monday, clearing a hurdle for the maiden flights of both vehicles. SpaceNews.com
Mon, 16 Jul 2018 17:58:13 +0000
Ken Gabriel, CEO of Draper Labs: The idea of small satellites making up large constellations is a “powerful shift." SpaceNews.com
Mon, 16 Jul 2018 16:54:04 +0000
Virgin Orbit says an agreement that could lead to LauncherOne missions from an English airport is part of an effort to both better meet the needs of its customers as well as support the U.K. space industry. SpaceNews.com
Mon, 16 Jul 2018 13:03:49 +0000
With the announcement that Scotland will be home to Britain's first spaceport, the U.K. is on the road to offering a one-stop-shop for building, operating and now launching satellites. SpaceNews.com
Mon, 16 Jul 2018 09:14:34 +0000
The British government announced July 16 that it will provide funding to two companies, including an American aerospace giant, who plan to use a newly announced launch site in Scotland. SpaceNews.com
Sun, 15 Jul 2018 21:58:30 +0000
After years of study and consideration, the British government announced July 15 that it will start development of a new spaceport in northern Scotland, while an English airport signed a deal that could also lead to launches from its facility. SpaceNews.com
Sun, 15 Jul 2018 19:39:31 +0000
The space market worldwide has averaged $269 billion over the past five years, growing more than 5 percent each year. SpaceNews.com
Sun, 15 Jul 2018 08:03:46 +0000
The military wants to apply quantum computing to secure communications and inertial navigation in GPS denied environments. SpaceNews.com
Fri, 13 Jul 2018 20:43:08 +0000
On his first foreign trip since taking office nearly three months ago, NASA Administrator Jim Bridenstine traveled to Israel this week to meet with the country’s prime minister and other officials. SpaceNews.com
Fri, 13 Jul 2018 19:21:26 +0000
Gogo, an inflight connectivity provider leasing capacity on dozens of satellites, bulldozed its old business plan July 13 amid looming concerns over unprofitability, encroaching debt deadlines, and a potential buyout. SpaceNews.com
Thu, 12 Jul 2018 21:57:26 +0000
The White House nominated a veteran Senate aide with little space experience to be NASA’s deputy administrator July 12, a month after the agency’s administrator said he wanted someone with technical expertise for the job. SpaceNews.com
Thu, 12 Jul 2018 19:00:17 +0000
Blue Origin will begin flying two customers on the same New Glenn rocket after the launch vehicle has performed five missions with solo customers, according to Ted McFarland, Blue Origin’s commercial director of Asia-Pacific business. SpaceNews.com
Thu, 12 Jul 2018 18:42:28 +0000
“We are going to need a bigger boat,” FCC Chairman Ajit Pai said July 12, quoting the 1975 movie Jaws as a metaphor for the challenge of handling 5G needs. “Or in our case, more spectrum.” SpaceNews.com
Wed, 11 Jul 2018 22:15:26 +0000
China’s state-owned fleet operator is making forward-leaning investments in high-throughput satellites and low-Earth-orbit constellations without worrying, at least initially, about whether these projects are backed by sound business plans. SpaceNews.com
Wed, 11 Jul 2018 20:54:55 +0000
Amid growing concerns about commercial crew delays, a GAO report recommended NASA share more schedule information with Congress and develop contingency plans to maintain access to the International Space Station. SpaceNews.com
Wed, 11 Jul 2018 20:27:30 +0000
Using free data from the European Space Agency, a startup in Finland created a geospatial information service that is entirely enabled by artificial intelligence. SpaceNews.com
Wed, 11 Jul 2018 17:42:16 +0000
U.S. aerospace and defense in 2017 posted a positive trade balance. But there are concerns that escalating trade wars could hurt future growth. SpaceNews.com
Wed, 11 Jul 2018 14:00:10 +0000
A Silicon Valley startup developing electric propulsion systems for satellites has raised $10 million and added the billionaire founder of LinkedIn to its board. SpaceNews.com
Wed, 11 Jul 2018 13:46:27 +0000
Intelsat-901, a 17-year-old communications satellite running low on propellant, is awaiting a first-of-its-kind service call from a robotic spacecraft carrying a fresh tank of fuel. SpaceNews.com
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    Personal information
     Name:<withheld>
     Age:<withheld>
     Country:<withheld>
     Location:<withheld>
    Contact information
     Email:<withheld>
     Phone:<withheld>
     Mobile:<withheld>
    Candidate Profile
     Date Submitted:21-09-2017
     Last Modified:26-09-2017 (03:52)
    Job information
     Current job:Scientist
     Employment Term:Permanent
     Job location:Anywhere
     Date available:within 2 months
     Industry:Satellite Manufacturers and Subcontractors, Launch Systems, Consulting/Engineering Services
     KeywordsSPACE PROGRAM MANAGEMENT, PAYLOAD TESTING, SPACE TECHNOLOGY ANALYST, DESIGN & MANUFACTURING EPC, SSPA, TWTA
    CV

    Date of Birth, Place              28/05/1974, Kollam, Kerala

    Present location                    Space Application Centre (SAC), ISRO, Ahmedabad, Gujarat       

    Designation                          Senior Scientist, Space Program /Project  Manager / Team Leader, Payload DC Power Systems & RF Power Amplifier Expert

    Research Experience/Area          20 Years. Space, Aerospace and Defense    Commercial / R&D /Critical Technology development Program  

    Design, Qualification and FM manufacturing of Satellite DC Power Systems / RF systems, EPC, SSPA, TWTA Design, Simulation, Development, Testing/Optimizations, Qualification and Flight Model Manufacturing carried out for Communication, Navigation and Remote Sensing Satellites, Deep Space Missions.

    Interesting fields               Space & Defense Program/Project Management, Payload Testing & Characterization, Satellite Power System Design/Simulations, Qualification, FM manufacturing, Advanced GaN based Hi-Rel DC/DC Conversion, ZVS/ZCS PWM & Resonant converters, Digital Control using FPGA/DSP,  Planar/Integrated Magnetics packaging, Circuit Simulation & Analysis, EMI/EMC Control, HMC/Power Hybrids, POL/LDO/MAGAMP designs, Envelope tracking, Flexible SSPA/GaN SSPA, Photovoltaic/Motor Controls, Linear/Nonlinear Robust Control Systems

    Software skills                  ORCAD/PSPICE, SABER, SIMPLIS/SIMETRIX, LTSPICE, PSIM, MATLAB/SIMULINK, VHDL, Libero

    Qualification                      Graduate in Engineering Technology, B-Tech [Electronics & Communication, TKMCE, Kollam, Kerala University, India]

    Language Skills                 English, Hindi, Gujarati, Tamil, Malayalam

    Membership                      

    1. Associate of COSPAR [International Committee On Space Research, USA]

    2. Member of VEDAS [Vacuum Electronic Device Application Society, India]     

    Publications                       More than 25 Publications/Articles in IEEE and National Journals, Transactions, Conferences, ISRO documents

    Appreciation                      Recipient of ISRO Team Excellence Award 2013 for developing 100W UHF SSPA / 60W C-TWTA

     

    Work Experience:

    1995-1997 Scientist CEERI, Pilani, Rajasthan

    Worked in CEERI, Pilani (A CSIR Lab, Govt. Of India) as a Scientist during 1995-1997 and associated with Design and Development of Space TWT for ISRO & Military TWT for DRDO.

     

    1997- 2017 Scientist SAC, ISRO, Ahmedabad

    In SAC/ISRO as Scientist/Engineer, working towards research, design, development and production of satellite equipments: EPC (satellite power supply), SSPA and TWTA (Satellite RF power amplifiers). During the last 20 years, I have worked in the field of EPCs, SSPAs & TWTAs. I have been responsible design and development of a number of State of the art EPCs ranging from very low power to high power & high voltage with advanced topologies. I have also been involved in the indigenous development of Space TWTAs, Space SSPAs.

     

    Professional Experience

    Space Program Management, Coordinating with Contractors/sub-contractors, Payload subsystems/systems delivery

    Design, Simulation, development, Testing, Qualification and Flight Model manufacturing of Space/Satellite systems

    -Electronic Power Conditioners (EPCs) developed for Low, Medium and High Power (1W to 650W DC) onboard Comm. and Navigation Satellite Payloads

    -High Voltage Electronic Power Conditioners (HV-EPCs) developed for 3KV to 6KV (150W-1500W DC) for TWTAs and Ion Thrusters

    -Indian Space Traveling Wave Tube Amplifiers (TWTAs) developed; Flight Model 60W C-Band TWTAs and Engineering Model 140W Ku-Band TWTAs

    Handled multi-disciplinary science and technologies (Power electronics, Digital, RF& Microwave, UHV/HV systems, Metal-Ceramic technologies, Material science & Particle physics)

    Co-coordination among “Govt.R&D – Academy – Industry” Network projects for various critical technologies development and technological capability building.

    Exposure to versatile work environments viz. Fundamental Research environment, Semi R&D + Production environment, Large scale Industrial Production environment; during execution of various collaborative projects.

    20 years of experience in procurement of Satellite systems (EPCs, Receivers, SSPAs, TWTAs) from global market. Interaction with renowned Space Equipment Manufacturers Boeing/L3Comm USA, TEASAT/Thales/Astrium EADS Germany/France, Alcatel Space Denmark, IR/Infineon, ASP, Germany, MDA, Canada

    Deputed to three renowned space equipment manufacturers (M/s BOEING USA, M/s THALES & M/s ASTRIUM Germany)

    Functioned as Member in several RFP Review Committee, PDR/CDR Committee for Electronic Warfare/Radar Systems of DRDO, Space Systems of ISRO.             

     

    Equipments Designed, Developed & Qualified for various Space programs of ISRO

    EPC for C, Ku Band LNA, U/D Converter, Receivers, Beacon       3W, 7.5W, 15W DC Power level                   26-42V Bus & 70V Bus designs

    EPC for UHF, L, S, C Band GaAs SSPAs              25W, 50W, 120W, 300W DC Power level                      42V Bus & 70V Bus designs

    EPC for UHF, L, S, C Band GaN SSPAs               125W, 170W, 350W, 650W DC Power level                   26-42V Bus & 70V Bus designs

    HVEPC and C-Band TWTAs                   HV EPC 3KV@150W DC &   60W C-Band TWTA                26-42V Bus & 70V Bus designs

    HV EPC and Ku-Band TWTAs                HV EPC 6KV@300W DC &   140W Ku-Band TWTA             26-42V Bus & 70V Bus designs

     

    Equipments Design, Development presently carrying out along with ISRO’s Commercial Program Managements

    New generation FPGA Controlled EPC            50-650W EPCs for 15W-250W Flexible GaN SSPAs              26-42V Bus & 70V Bus designs

    New generation eGaN Based EPCs             50-650W Switching GaN EPCs for 15W-250W GaN SSPAs             70V Bus designs

    HV-EPC for Ion Thruster                    1KV-2KV, 500W-1500W DC Power supply               70V Bus designs

     

    Conversion topologies worked on              Low voltage:  Flyback, Forward, Push-pull, RR/Active Clamp Forward, LLC, ZVT PSFB SR/CDR

                                                                      High Voltage: ZVS/ZCS Push-pull, ZVT PSFB, Series Resonant PSFB, LLC/LCC PSFB

     

        Control methods worked on                  Analog control:  Voltage Mode, Current Mode, Feed-Forward, Phase shifted PWM, PFM

    Digital Control:  Dynamic Bias, Envelope tracking Flexible DSP/FPGA/ASIC Controlled (DPWM, DPID, DPFM) EPCs for new generation Flexible payloads

     

        Packaging technologies worked on   Control HMCs, Power Hybrids, Planar Magnetics, Integrated Magnetics, FPGA, ASIC, LTCC


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