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Vincent Havart
RF Design Engineer and Project Management
621 Keats ct c: (408) 307-9262
Palo Alto CA 94303
http://www.linkedin.com/in/vhavart vhavart@gmail.com
SUMMARY OF QUALIFICATIONS
Experienced in management of product development within a multi-national team environment.
Experienced in Product design for a manufacturable, reliable fully tested product in Manufacturing.
Company oriented, looking at the big picture in order to improve processes and attain goals.
Expertise in design, test tools and procedures for phase hit free RF synthesizers.
Hands-on experience in managing process issues of contract manufacturers and vendors.
Multilingual ( English , French )
TECHNICAL SKILLS
Ψ RF / Microwave
Expert in Low phase noise, phase hit free, high frequency Synthesizer designs
Firm practical experience with CRO, VCO, SAW, YIG, single loop and multi-loop designs
Design for Reliability training, Design for Manufacturability training, Six Sigma design goals
Failure Effects and Modes Analysis (FEMA) for RF and Power supply circuits
RF and Analog Circuit ,PCB, component , system level Design and manufacturing up to 15 GHz
Development, optimization and performance analysis for prototypes.
Development of automatic functional test plans and Manufacturing Test procedures MTGs
Knowledge of a wide variety of modulation and demodulation methods, analog and digital,
Including: AM, FM, PM, FSK, QPSK to 256QAM
Familiarity with analog and digital communication technology: ISDN, FDMA, TDMA, CDMA, SONET, DS1DS3 E1/E3 transport including voice, data, video
Firm practical experience at a wide variety of RF components including: L/H/B/S Pass filters, mixers, frequency multipliers, down/up converters, AGC, duplex/multiplexer, couplers, power dividers, PIN switch/attenuators, receivers, transmitters etc.
Full control in a wide variety of test equipment including: spectrum analyzer, network analyzer, synthesizer, oscilloscope, power meter, digitizer, arbitrary function generator, RF-counter, pulse analyzer, vector analyzer, audio analyzer, etc.
Ψ DSP / Mix-signal / Digital / Analog
Firm practical experience at a wide variety of components including: ADC/DAC, FPGA, EPLD, micro controllers, microprocessors, operational amplifiers, transistors, drivers, etc.
Full control in a wide variety of technical equipment including: logic analyzer, pulse generator, oscilloscopes, DVM, power supply, etc.
Ψ Software
Agilent ADS, touchstone simulators, Genesys and Sonnet
MATHcad
Agile (ECO, MCO, BOMs), Syteline
Microsoft Office, Projects, Visio, Internet Tools and Windows Environment
Windows MS DOS UNIX Environment
PROFESSIONAL EXPERIENCE
GUZIK TECHNICAL ENTERPRISES Mountain View, CA 2005 - Present
RF Design Engineer
Main RF expert reported directly to the VP of engineering, improved engineering design processes and procedures, Developed new manufacturing processes and procedures, redesigned products for improved performances, FPY and reliability.
Lead Design and developed a 6 to 3 GHz front end down converter for a Real Time Spectrum Analyzer. Including Frequency planning analysis, component selection, power budget and cost analysis.
Redesigned the up converter channel of a 3GHz RTSA, improved the flatness and gain response.
Lead Designed and Developed a Programmable Filter Matrix, allowed Low pass filtering from 250MHz to 5GHz in a single device. The PFM was programmable through a computer via USB connection; it required calibration and allowed for differential or single ended I/O.
Redesigned the Tracer 5 Product line for DFM and FPY improvements developed all MTG and ETG worked closely with software and digital designers to improve functionality and testability of the product.
Improved FPY from 10% to 95%. Worked closely with Assembly houses and vendors to stream line the supply chain and improved build cycle time.
Managed the programmable filters product line, specified software requirements and worked with the test software Group for an automatic tuning setup, used a network analyzer and a computer to automatically tune the filters with a push of a button. Developed the procedures and documentation for the whole family of programmable filter, improved productivity by 500 % and reduced the contribution of possible human error within the process.
Redesigned the HF-1000 1GHz spectrum Analyzer, redesigned the RF front end due to obsolescence of some PLL components and improved the Path for DFM, Testability and Tuning time improvement. Improved test time by 30% and first pass yield by 40%.
STRATEX NETWORKS, San Jose, CA, 1998 2005
RF Design Engineer
Multi-national Team organization skills to monitor yields and issues of synthesizers.
Technical process management of our partner in Taiwan improvement in yields from 50% to 97% FPY.
Setup and improved the Production test station over MTI in Taiwan improved throughput by a 100%.
Responsible for specification, development, testing and manufacturing introduction of multiple RF modules in Digital Radios including RF synthesizers, and cost effective L-Band synthesizers.
Phase hit free design of the RFLO and IFLO including innovative mechanical design and mounting of the oscillators as well as material specification and process of manufacturing.
Developed a test set with a Phase hit tester, a phase hit detector and accelerometer recorder set-up to characterize Phase hit over temperature in Oscillators and synthesizers. Eliminated phase hit in several designs: SAW, CRO and VCO.
Designed and Developed several improved cost effective approach of IFLO for the Altium product line involving PIC16F84 MCU implementation to keep the legacy of the software intact.
Developed a YIG based synthesizer with an offset SAW LO for the Millennium platform.
Development of VHDL code for fractional-N frequency synthesis with delta sigma modulation.
Co-Development of a negative feedback path on a VCO to Improve close-in phase noise.
Test on microwave radios electronic cards, quality tests.
Co-Engineering and development of a phase hit detector for RF engineering group
EDUCATION
EURING European Federation of National engineering Associations Diploma, FRANCE
National engineering Associations Diploma recognized by European federation for international MSEE
MSEE, ESIGELEC University, Rouen (76), FRANCE
Thesis fractional-N frequency synthesis with delta sigma modulation
Math SPE ATS Specialized studies in Math and Physics, Rouen (76), FRANCE
B.T.S Superior Technician Diploma industrial control and automatic regulation
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