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Wed, 20 Nov 2019 18:41:36 +0000
As United Launch Alliance prepares for the maiden flight of its Vulcan Centaur rocket, the company no longer has a clear timeline for a major second-stage upgrade.  SpaceNews.com
Wed, 20 Nov 2019 16:52:45 +0000
Feng Yang, Spacety CEO and founder, talked with SpaceNews about his plans for small synthetic aperture radar satellites and the origins of the company at the Space Tech Expo Europe.   SpaceNews.com
Wed, 20 Nov 2019 16:00:47 +0000
China used signals sent from NASA’s Juno probe orbiting Jupiter to test the capabilities of ground stations vital to its deep space ambitions. SpaceNews.com
Wed, 20 Nov 2019 14:49:44 +0000
The European Space Agency is preparing to allocate a few million euros to ensure Vega doesn’t have any repeats of its July launch failure, an agency official said Nov. 20. SpaceNews.com
Wed, 20 Nov 2019 14:39:49 +0000
While the physics associated with getting into orbit have not changed, the people, methods and ways we access and enable space have evolved. Credit the fuel of federal policy changes and innovation environments as the real force multipliers. SpaceNews.com
Wed, 20 Nov 2019 14:02:27 +0000
SpaceX’s plan to slash the cost of space transportation is shaking up the small satellite propulsion market. SpaceNews.com
Wed, 20 Nov 2019 13:02:50 +0000
OHB hopes to have a small launcher capable of sending 200 kilograms to low Earth orbit conduct a first flight by the end of 2021. SpaceNews.com
Wed, 20 Nov 2019 12:12:33 +0000
Commercial spaceports say they need to become more proactive in dealing with public opposition to proposed launch sites through a combination of education and community involvement. SpaceNews.com
Wed, 20 Nov 2019 10:40:05 +0000
Glavkosmos, the commercial subsidiary of Roscosmos, unveiled a web portal Nov. 20 for Russian rocket and space products. SpaceNews.com
Wed, 20 Nov 2019 09:32:22 +0000
The government of Brazil is ready to move into the next phase of efforts to attract commercial launch business to the country with the ratification of an agreement with the United States. SpaceNews.com
Tue, 19 Nov 2019 20:06:30 +0000
The report titled ”Iran Military Power” is part of a Defense Intelligence Agency effort to inform government leaders and the public on major foreign military challenges. SpaceNews.com
Tue, 19 Nov 2019 18:29:10 +0000
At the Space Tech Expo, space agency leaders said artificial intelligence will play key roles in many space programs of the future. SpaceNews.com
Tue, 19 Nov 2019 18:00:53 +0000
Dawn Harms, the former Boeing Satellite Systems International vice president for global sales and marketing, has joined Momentus to serve as chief revenue officer for the In-space transportation startup. SpaceNews.com
Tue, 19 Nov 2019 17:12:26 +0000
Portugal’s newly created space agency is considering a national constellation focused on maritime activity in the Atlantic Ocean.  SpaceNews.com
Tue, 19 Nov 2019 16:27:10 +0000
China Satcom has filed an insurance claim for the loss of a communications satellite after failing to establish contact with the spacecraft. SpaceNews.com
Tue, 19 Nov 2019 15:58:24 +0000
Rather than waiting for international consensus on measures to mitigate the problem of space debris, space agencies and companies should take immediate action, said Jan Woerner, European Space Agency director general. SpaceNews.com
Tue, 19 Nov 2019 12:26:30 +0000
Boeing said Nov. 18 that a report issued last week by NASA’s Office of Inspector General (OIG) regarding the commercial crew program, including claims that the company considered withdrawing from the program, was inaccurate. SpaceNews.com
Tue, 19 Nov 2019 12:11:16 +0000
Sweden, Germany, Italy, Scotland, Portugal and Norway all have spaceport ideas being discussed, OHB CEO Marco Fuchs said Nov. 19 at Space Tech Expo Europe here. SpaceNews.com
Tue, 19 Nov 2019 11:38:24 +0000
The European Commission is recommending a space budget of 16.2 billion euros ($17.9 billion) for 2021 through 2027, a nearly 50 percent increase over the 11 billion euros budgeted for 2014 through 2020. SpaceNews.com
Tue, 19 Nov 2019 04:50:22 +0000
NASA announced Nov. 18 that it was adding five companies to a contract to perform commercial deliveries of payloads to the surface of the moon, a group that ranges from small ventures to Blue Origin and SpaceX. SpaceNews.com
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  • CV: Principle design engineer

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    Personal information
     Name:<withheld>
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    Contact information
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    Candidate Profile
     Date Submitted:01-04-2015
     Last Modified:01-04-2015 (11:52)
    Job information
     Current job:Principle design engineer
     Employment Term:Either
     Job location:Anywhere
     Date available:immediately
     Industry:Satellite Manufacturers and Subcontractors, Satellite Operators, Consulting/Engineering Services
     KeywordsRF design, Microwave design, UHF, VHF
    CV

    EDUCATION                          

    1981-85                 Leeds University, Calverley Street, Leeds LS1

                                    Bsc (Hons) :Communication & Electronic Engineering [class2:2]

    SKILLS & KNOWLEDGE

    •     RF: specification, ‘discrete design’, simulation and implementation of RF systems, architectures and circuitry to 30GHz.

    RF system analysis, design and realisation through to PCB level of Transmitters, up convertors, Power Amplifiers.

    Receivers, LNA’s, down convertors, synthesizers, Filters and antenna. Characterisation, optimisation, integration and validation of product.

    •     Radio technologies: extensive experience, including Microwave, UMTS, GSM, GPRS, CDMA, OFDM Satellite, and ASICs.

    •     Tools employed: ADS, Ansoft.

    CAREER HISTORY

    February 2012 to present

    Honeywell Aerospace, Tewksbury

    Senior RF design Engineer

    - Design of Transceiver card at L Band using AD9361 Catalina chip. The work involved system as well, ‘discrere design’, of: Rx Front end and Tx design.

    - Re banding of Tx path from modulator output to pre amplifier output (card output) connector. The work involved both system and circuit level design.

    Re banding of Rx path from LNA input to A to D input. The work involved both system and circuit design.

    - Design of a 32.4W, 10dB PAR, Doherty PA at L Band.

    February 2011 to Dec 2011

    Intel Mobile Communications, Munich

    Senior RF design Engineer

     Mobile Platform Design and verification of Bands 3G 1, 2, 5, 6 and 8 and GSM/EDGE transceiver.  My role in the team involved the following.

    - System design of TX chain

    - Specification definition of FEM, DPX, and PA

    - Circuit board layout

    - TRX and PA matching network design

    - Verification and development of TRX board

     February 2010 to February 2011

     NXP Semiconductors Neijmegen,

    Senior Power Amplifier Designer, my role involved the following 

    Design of 500W PA to be used for WCDMA Docherty application. The work involved the following

    1- Transistor internal matching circuit design, the transistor was to meet       specification for PAE, IMD, Gain and Return Loss

    2- Load pulling of transistor

    3- Design of  application board based on load pull parameters to meet load         pull requirement and specification for PAE, IMD, Gain and Return Loss

    Design of 250W PA to be used for Pulsed Radar application. The work involved the following

    1- Transistor internal matching circuit design, the transistor was to meet       specification for PAE, IMD, Gain and Return Loss

    2- Load pulling of transistor

    3- Design of  application board based on load pull parameters to meet load pull requirement and specification for PAE, IMD, Gain and Return Loss

     February 2K9 to February 2010

    Thales Radar, Pforzheim, Germany

    Principle RF design Engineer

    17GHz Pulsed Radar Receiver design using discrete devices

    1- Receiver systems design

    2- Discrete design of RF front end at 16GHz

    3- First IF design at 1GHz

    4- Second IF design at 160MHz

    5- 160MHz BFP discrete design

    6- Board layout

    8- Verification

    April 2K7 to February 2009

    Stericsson Mobile Platform, Lund, Sweden,

    Senior RF design Engineer

    Reference design of band I, II/IV, V and VIII TX chain to be used as part of handset and PC module, the design involved the following;

    System design of TX chain. Specification definition of FEM, DPX, and PA.

    Circuit board layout. TRX and PA matching network design

    Verification and development of TRX board

    Switch Mode PA for bands I, II and V. The work involved the following;

    TX System design incorporating the PAs for above bands. Modification proposals for TX power control algorithm. Verification of TX. PA matching network design

    Reference design of GSM/EDGE TX path chain, to be used as part of a handset the design involved the following;

    System design of TX chain. Specification definition of GSM/EDGE PA. PA matching network design. Circuit board layout. Verification and development of TX path

    April 2K6 to April 2K7

    Sony Ericsson Mobile Communication, Lund, Sweden

    Senior RF design Engineer

    - Design and verification of TX path for GMSK/EDGE mobile phone

    - Filtering between chip and PA. The filtering was to ensure SDM limits were met over all bands for GMSK/EDGE schemes.

    - Design of network to ensure Second Harmonic compliance of phone over all operating frequencies.

    - PA Output matching network for EDGE 900 and 1800/1900 bands. The focus was on PA linearity and second harmonic supression.

    October 2003 to April 2K6

    Continental, Germany

    Senior RF design Engineer

    22GHz DRO design, used for Blind Spot detection in cars

    - Overall design of DRO plus temperature compensation

    - Design of circuitry for temperature compensation of 22GHz Blind Spot Radar. AGC design for Blind Spot Radar.

    Antenna design

     1- Design and development of a 2.45GHz Inverted F antenna.

     2- Design and development of:  440MHz and 880MHz magnetic loop antennas.

    Receiver design

    Design and development of a 400MHz anti theft device for

    automotive application. My responsibility included system and board

    design of receiver. On a component level I was responsible for the design

    of; RF section, LNA, Gain control Citcuitry, IF section, IF filters

    April 2003 to October 2003

    EADS, Stockport Manchester

    Senior RF design Engineer

     Development of a 120Watt X band SSPA, my involvement included

    Divider, combiner development, Specification of PA modules required for the unit. Design of PCB layout. Verification

    May 2002 to February 2003

    Robert Bosch Leonberg

    Technical Lead in Short Range Radar Group. My responsibilities included,

    Design of a (22-26)GHz LNA. The LNA formed the front end section of a Automatic Cruise Control receiver unit.

    - Design of a 2.35GHz Low Noise oscillator

    - Design of a DC-1000MHz broadband Low Noise amplifier

    - Investigation of design of 1.35GHz to 3.35GHz Low Noise Amplifier

    - Investigation into bandwidth extension of a (22-26) GHz homodyne mixer

    March 99 to Feb 2002

    Ericsson Radio Access.,  Kista, Stockholm, Sweden.

    Principle (consultant) design Engineer, Base Station design group.

    - Design of 850 MHz Linear EDGE Power Amplifier.  The amplifier had to meet the following specification:

    Frequency band of operation 869 to 894 Mega Hertz

    Output power capability 44.7dBm mean with a peak to mean ratio of 4.2dB, total gain of 31dB through the band, Efficiency of 30%

    Amplitude variation of less than or equal to 1dB

    -  Investigations into the design of a 90W final stage amplifier to be used as part of a Multi Carrier PA, the amplifier worked off a 26V Voltage rail. The aspects of the amplifier that were investigated were:

    Selection of optimum output, input matching network and bias point (current) for best EVM, compression point,  output power, efficiency, and adjacent channel performance.

    -   The Transmit chain design for a dual mode (GSM/EDGE) base station unit. The task involved the following:

    -  Selection and matching of RF filters, attenuator and amplifiers with particular emphasis placed on linearity (low EVM ) and flatness of the chain. The system was to be capable of transmitting both a conventional GSM signal as well as EDGE signal (EDGE signal peak to mean ratio was 3.50dB).

    The system and circuit design of an external VGA (variable gain amplifier) to be used as part of a transmitter for a GSM 1800MHz/1900MHz Base station radio.  The task included the following:

    - Design of RF amplifiers having a minimum gain of 15dB working into a filter load.

    -Design of a RF final stage amplifier, the amplifier had gain of 12dB and a 1dB compression point of 21dBm, the amplifiers output was matched for maximum output power.  All amplifiers worked from a 7Vsupply rail.

    - The specification and sourcing of RF filters and attenuators.

    February 1997 to March 1999

    Alcatel Lucent.,  Chippenham, Wiltshire, England

    Senior RF design Engineer

    Contract design Engineer

    Design and development of 2.4GHz Cavity Duplexor used for WLAN BTS.

    Design and development of 1.9GHz cavity Duplexor used for WLAN BTS

    The Duplexors was fully compliant with specification over frquency band and temperature.

    My other responsibilities included the redesign of a 1.9GHz transmitter to be used as a

    customer interface unit in a ‘WCDMA’ system with a peak to mean ratio of 12dB

    The transmitter was fully FCC specification compliant and operated over the

    temperature range -45 to +75 Celsius.  The tasks included the following:

    · Design of a class ‘A’ amplifier

    · Design of a pre amplifier with a gain of 10dB

    · Design of low signal RF amplifiers. 

    · Development of RF and IF variable attenuators;

    · Design of Local oscillator buffer amplifiers used to drive the LO port of a mixer. 

    · Design of IF amplifier gain of 20dB.  Input and output match 50 Ohm.

    · Design of IF variable gain amplifier used for output power compensation

       of the transmitter over temperature.

     · Image response improvement of receiver.

    · Trouble shooting and design verification writing of the transmitter, receiver and synthesisers.

    - Design of low noise front end amplifier with a center frequency of 1880MHz.

    - Redesign of first and second IF stages of a base station transmitter unit. 

    February 1996 to March 97

    Philips Mobile Communications Ltd., Cambridge

    Contract design Engineer

    My responsibility was the design of a high stability 930MHz third overtone

    Crystal Oscillator for pager application. 

    November 1993 to December 95

    Intel Semiconductors Ltd., Swindon

    Design Engineer

    My responsibilities included the following:

    The design of a low noise 900MHz35MHz bandwidth amplifier to be used as

    the front end to a receiver chip. 

    October 1992 to November 1993

    C-Mac Quartz Crystals Ltd.,  (formerly STC Quartz Crystals)

    Senior RF Design Engineer

    My responsibilities included the following:

    · Design and development of a 1.03GHz Oven Controlled Crystal Oscillator.

    · Design of a 44.736MHz third overtone voltage controlled Crystal oscillator. 

    · Design of a 155MHz Voltage Controlled Crystal Oscillator. 

    December 1991 to September 1992

    Harrison Goodman Ltd., London

    Director

    Due to family commitments I was required to take time out from my professional

    career to take over the management of a family run import / export business.

    December 1987 to October 1991

    Marconi Instruments Ltd.,  Stevenage

    Design Engineer

    Design and develop of an octave wide frequency doubler covering S and C bands. 

    · system and component design specification

    · the design of a frequency doubler

    · the development of third octave filters

    · the design of a balanced amplifier covering the required band. 

    The balanced amplifier met the following specifications across the band:

    · gain of 26dB

    · input and output return loss of 12dB or better over the band

    · output harmonic level of less than -30dBc

    · minimum output power of 24dBm

    · gain flatness of less than 2dB

    · the design and development of a two octave Wilkinson power divider. 

    The divider was used as part of a peak power detector;

    · the design and development of a broad band (10-1500MHz) amplifier. 

    · the design and development of a broad band attenuator.             

    September 1985 to December 1987

    Marconi Communication Systems Ltd., Chelmsford,  Essex

    Design and Development Engineer           

    My responsibilities included the following:       

    · The design and development of a high frequency and amplitude stability dielectric

    resonator oscillator: operating temperature range -5 to +60 Celsius,

    operating frequency 6.1375GHz.        

    · The design and development of a 6GHz to 70MHz frequency downconvertor

    · The development of 6GHz and 4GHz interdigital rod resonator filters.

     

     

               


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