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Jeremy M. Parker
Chelmsford, MA 01863 | [email protected] | 508-572-7992 | Portfolio
| Linked-In Profile | Website
Objective
To apply innovative design and problem-solving skills to the development of highperformance audio products. To continually grow my expertise and nurture my passion for
realizing each design’s full potential.
Work
Experience
Gentex Corporation – Manchester, NH
June 2009 – Present
Electrical Engineer
Responsibilities
n Electronics design for electret microphones and communication systems for
ruggedized military and commercial applications
n Analog circuit design and simulation for low noise and low THD, including preamps,
filtering/EQ, limiters/compressors, power amp topologies (class-D, amp ICs), control
circuits, power supplies, and discrete circuit design
n Hardware design and application of DSP for noise-reduction, EQ/filtering, dynamics
processing, etc.
n Acoustic measurement and design for key microphone performance parameters and
speech intelligibility criteria
n Microphone material and manufacturing process improvements
n Schematic capture, BOM generation, and product requirement documentation
n PCB design approval, optimized for signal integrity, EMC, and manufacturability
n In-house EMC and environmental testing, military and commercial standards
n Electronic component sourcing, testing, approval, as well as component vendor
relations
n R&D efforts, analysis and qualification of new technologies and competitive products
Project Highlights
n Chemical-Biological Protection Communication Unit – Next-generation, batterypowered, pilot-worn device for hearing and speaking through protective gear:
n Identified acoustical/electrical performance targets needed for ANSI intelligibility
requirement
n Worked with customer and ANSI spec experts to establish best practices for
intelligibility testing
n Identified existing product’s acoustical/electrical design shortcomings and
the related technical issues with integrating the product into the chem-bio
protective system
n Characterized the acoustical/electrical performance of all microphone and
speaker transducers related to the product and overall system
n Interfaced to customer on-site during testing, troubleshooting, and prototype
demonstration phases
n Conceived and executed electrical/acoustic design improvements, outlined
technical path to success for customer acceptance
n Re-architected existing product to incorporate DSP, used GUI programming
environment to execute anti-feedback, EQ, dynamics processing, multiplexing,
and noise-reduction techniques
n Military Oxygen Mask Microphones – Noise-cancelling electret microphones for
fighter pilot oxygen mask use:
Jeremy M. Parker
Chelmsford, MA 01863 | [email protected] | 508-572-7992 | Portfolio
Work
Experience
Continued
| Linked-In Profile | Website
Vapor barrier design and analysis for acoustic transparency
Oxygen mask acoustic characterization
n Measurement, analysis, and field-recording of associated aircraft intercom
system
n General Aviation Boom Microphone – Noise-cancelling electret microphone for
Bose headset:
n Optimization of electret preamp for customer requirements
n Conceptualized and executed new preamp-to-electret attachment technique for
improved manufacturability
n
n
Boston Acoustics, Inc. – Peabody, MA
June 1999 – June 2009
Electrical Engineer
Responsibilities
n Electronics design for powered subwoofers, home theater systems, amplifiers, multimedia computer speakers, and table-top radios; resulting in finished products that
were successful in the consumer electronics marketplace, worldwide
n Specializing in analog circuit design for low noise and low THD, including filtering/
EQ, limiters/compressors, power amp topologies (class-AB, class-D, amp ICs), control
circuits, power supplies, and protection schemes
n Schematic capture, simulation, and BOM generation
n PCB design optimized for signal integrity, EMC, and manufacturability
n Thermal design, measurement, and complete system power testing
n System architecture, including cabling/interconnects, shielding, grounding schemes,
and mechanical layout
n In-house EMC testing and troubleshooting for RFI, CRFI, ESD, Immunity, Safety, etc.
n Thorough design verification from prototype, through product development, to mass
production
n Communication, coordination, and management of overseas manufacturing and
engineering
n Electronic component sourcing, testing, approval, as well as component vendor
relations
n R&D efforts and functional prototyping aligned with product roadmaps
n Project management relating to the electronics portion of overall product development
n Analysis and qualification of new technologies and competitive products
Project Highlights
n VPS-210 Powered Subwoofer – True 500W class-D subwoofer amplifier for the highperformance VS Speaker Series:
n Company-first 500W in-house design to market
n Company-first 1000W in-house functional prototype (proposed high-power
variant)
n Company-first Energy Star rated product
n High-efficiency, low-distortion, scalable class-D power amplifier design
n Project management of the electronics design, including overseas parts
sourcing, IC vendor design collaboration, and EMC approvals
Jeremy M. Parker
Chelmsford, MA 01863 | [email protected] | 508-572-7992 | Portfolio
| Linked-In Profile | Website
Work
Experience
Continued
PCB design optimized for both class-D RFI considerations and audio
performance
n Low-noise analog circuit design for EQ, crossover, and VCA compressor
n VRA3200 & VRA2200 Power Amplifiers – High-power modular class AB amplifier
architecture for 2 X 200W and 3 X 200W home theater amplification:
n Company-first 200W class-AB power amp
n Extremely low-distortion, low-noise discrete design
n True short-circuit protection, monitoring output stage power dissipation
n Power-up/down circuitry and output relays to prevent audible artifacts from AC
line voltage interruptions
n Robust thermal design and protection for long-term continuous power output
n Avidea 770 Subwoofer Electronics – Multi-channel amplifier to power the subwoofer
and satellites for high-performance 6.1 home theater system:
n Low-noise analog design for individual channel EQ, crossovers, sub-channel
VCA compressor
n Power supply design and high-power IC-amplifier implementation
n Discrete short-circuit protection design, power-up/down and relay control
circuitry for bulletproof operation without audible artifacts
n Robust thermal design and protection for long-term continuous power output
n Avidea Adapter box – conceptualized, engineered and project-managed a device
for connecting any third-party receiver to the Avidea Sub Electronics
Education
Kimmel-Gerke “Designing for EMC/SI” Seminar
n
July 2004
Grounding, Shielding, Power, Emissions, ESD, RFI & More
University of Massachusetts
at Lowell – Lowell, MA
September 1994 – June 1999
Bachelor’s of Electrical Engineering, Honors Program
Minor in Sound Recording Technology
Eta Kappa Nu, Tau Beta Pi Honor Societies
Graduated Magna Cum Laude, Dean’s List
Skills
Microsoft Office Suite, PCAD (Schematic, PCB, Library Executive), Altium Designer,
PSpice, Matlab, Audio Precision Systems I, II, 2700 (APWIN Software & APWIN Basic),
Test equipment (DSOs, spectrum analyzer, RF amplification, signal generators, current
clamps, EMC equipment, power supplies), B&K 2012 Audio Analyzer
Interests
Jazz piano, composition, and recording, vintage keyboard instruments, photography,
speaker-building