Resume of

Samuel Johnson P.E.

advny5@r.postjobfree.com 970-***-****

Fields of Major Expertise

Embedded system architecture /Design, Software, Firmware, Sensor systems and Power Architectures

Multidisciplinary technical project management

Engineering and Test, RF/Communication design/ lightweight, high density Power Systems, Small UAV controls and integration, Mechanical design and simulation, Systems Integration and Test (SEIT), PCB layout (Altium power user).

Capable of driving multidisciplinary engineering development programs in team or individual contributor roles.

Patents/Awards: 44 + issued US and worldwide patents in the fields of UAV design, Robotics, Unmanned Aerial Vehicles, Sensors and communications, Lighting, Integrated Circuit Design, Inkjet and Electrophotographic Printing, and Telescope and Robotics design. Registered Professional Engineer, State of Colorado

Work Experience:

Viveve Medical

Englewood, CO

Lead Electrical Engineer Consultant

2021 / 2023

Oversaw massive signal integrity improvements in a complex RF medical device, implementing several PCB changes, procedural, and manufacturing changes. Architected follow on products replacing obsolete/inefficient designs with FPGA’s, GanFets, and noise immune communications. Oversaw EMI/RFI, FCC,CISPR certifications, and ensured compliance to IEC 60601,62304, ISO 13485 and 62366-1,etc. Oversaw the technical Letter to File, 510k submissions, V&V validation processes. Designed and built a variety of automated test fixtures using Altium, SolidWorks, and Fusion 360. C++ improvements were made to the array of STM32Fxx processors using IAR Workbench and to the Xilinx FPGA’s using Vivado and Lattice Diamond using Verilog.

BridgeComm Inc.

Denver, CO

Lead Electrical Engineer

2020 to2021

Designed, built, and delivered a series of I-MX6 and FPGA based motion control systems for optically servo-ing a fast steering mirror (1khz) and liquid crystal deflectors for ultra-precision micro-arc-second laser beam alignment to small diameter 25GBS optical transceivers. System required use of SciLab (Matlab), PCB design, Verilog coding, SolidWorks design, and precision machining.

Left Hand Robotics

Longmont,CO

Lead Electrical Engineer Contract

2019 to 2021

Responsible for design and maintenance of company’s prototype PCB assemblies for outdoor

robotics applications. Introduced analytical problem solving practices and cross discipline perspectives to new engineers and staff. Design of new control architectures and data/power routing. Designed 40+ cable assemblies and managed supply chain into production. Troubleshooting all production robots, and designed incoming QC test fixtures. Redesigned 3 embedded complex control PCB’s (Altium) for EV platforms

Plexus INC.

Boulder, CO

Test Electrical Engineer Contract

2018-2019

Responsible for design build, and production of all test fixtures and cable assemblies (over 130) for a complex tele-op surgical robot similar to daVinci products. Introduced rapid PCB prototyping concepts into conservative management(s) with overwhelming success.

CyPhy Works

Boston,MA

Principal Cofounder Lead Electrical Engineer

2009 to 2018

Responsible for the productization of all electrical and RF systems for small UAV design.

Programs encompass GPNS denied optical and RF GPS denied sensor development, full custom power supply and DC/DC converters millwatts to 3+kW >= 9000 volts, RF secure analog and digital communications systems, FPGA (VHDL) control and video compression, i-MX6 SOM design, video and Ethernet transmission over many mediums, embedded ARM core Silicon on Chip systems, Inertial and sensor integrations into very small and lightweight packaging.

Laser and Lidar sensor productization.

Assisted in securing $8.5M + in government / military contracts. PI/PM on $2.9M USAF award “ Extreme Access Pocket Flyer” search and rescue drone

Garnered 8+ patents for the firm.

Stealth Robotics LLC

Loveland, CO

Founder, CTO

2006 to 2008

Continued the development and commercialization of robotic Unmanned Aerial Vehicles (UAV), culminating in sale of the technology to iRobot and it's subsidiaries. The technology transfer completed in May 2009, whereupon productization continued for the military and civilian markets under CyphyWorks,, MA.

S.A. Robotics

Loveland, Colorado

CTO Controls Manager

2006 to 2008

Responsible for the integration of advanced controls technologies into robotics projects targeted towards the Nuclear, D&D, and high risk environments. Company grew from $1.5M to $16M during tenure. Managed the Software and Controls team of > 30 FTE . Incorporated micro-processor CAN, PLC, embedded controls into the company’s products. Performed client simulations for full inverse-kinematics with MatLab-Simulink. Developed design methods and manufacturing technologies for the deployment of ultra-light/ultra stiff carbon fibre composite structures. Introduced advanced theoretical and computational tools for first time success design methods, including use of FEA, kinematics, inverse kinematics. Principal inventor and business unit manager of in-situ cleaning robotics (2700 deg F) of utility coal fired boilers and hazardous environment robotics.,

Colorado State University

Fort Collins, CO

Adjunct Professor Senior Design Teams

2005 to 2007

Industry liaison between faculty, student teams, and industrial project sponsors. Taught team building, professional ethics, work deliverables, and project management. Evaluated team performance and made recommendations to faculty/industry panels.

Johnsonian Designs/Stealth Robotics

Loveland,CO

Owner, CEO

1999 to 2006

Responsible for the design and manufacture of advanced lightweight composite robotic telescope systems for amateur and professional use. Developed low power embedded processor and peripheral controllers with multiple PID motor drives, USB control, quadrature encoders, custom graphics /GUI interfaces to PC’s and Pocket PC’s. Wrote 12,000 lines of C code for control and celestial coordinate conversion on embedded processor. Presently concluding development of hover mode search and rescue robotics for DARPA/DOD SBIR award. High efficiency, low noise propeller design and testing. Project required development of BLDC three phase motor design and controllers, inertial MEMs sensors, active noise control with BlackFin DSP’s, and high voltage, high frequency power supply design. Secure data transmission over 1000V two wire transmission line . Designed EMI/RFO low noise filters All aspects of firmware, software, PCB design, debug, and mechanical design was embraced. Tools used were Pro-Engineer, CrossCore DSP, C++ and assembler compilers, Microchip MPLab, Eagle PCB, and BobCad (CNC). 4 patents developed during this period.

Hewlett Packard Company

Boise, Idaho

Senior Staff Engineer

1997 to 2001

Design of High frequency, 2.4 giga-hertz fibre channel disk auto raid controllers.

Design and layout of 128 bit, multi-processor/multi-bus PCI/PCIX based auto-raid controllers operating with 266Mz DDR memories. Proficiency in use of high-speed (Cadence /Mentor) software packages for simulation, timing, routing, and signal integrity. Worked to develop self-sensing adjustable strength I/O ASIC drivers. Managed all aspects of standards compliance. Wrote test code in VB and NI LabView. Test Engineer (2 yrs) for 100% of all high performance LaserJet formatter PCA's, including test plan development and implementation, contract NRE management, benchmark metrics, and vendor/CM Management. Wrote low level hardware tests in C, C++ and VHDL. Patents in Electrophotographic displays and high density test and interconnects were granted.

Beacon Light Product,

Meridian, Idaho

CTO Founder

1989 to 1997

Developed and futurized the company's products, including Bulb-Boss(tm), Smart-Bulb(tm)

a line of high frequency/low temperature ballasts, and Quick-Start(tm) fluorescent

ASIC controllers. Directly raised $20M in equity and debt financing...secured $100M in purchase

commitments from Philips and Angelo Lighting. Managed the technology development of high

temperature full custom silicon ASICS, 200 deg C. silicon characterization, full custom logic cell design, substrate and packaging technologies. First commercial client of MOSIS. Worked with foundries to develop analog and digital design rules for companies ASIC’s. Proficiency in MAGIC, ViewLogic, and Cadence design platforms. Managed a 1/3 equity ownership of semiconductor foundry. Developed deep diffusion, high voltage power IC processes and characterizations. Ramped production to 1million controllers per month within 9 months of VPA's. Direct responsibilities for marketing the company’s products. Over 12 patents filed and awarded. Left over dispute with investors/new management.

References: Provided on request

Education :

Arizona State University

BSME

Emphasis on linear/non-linear mechanical and electronic control systems

University of Idaho.

MSEE

non-thesis option (30 credits)

Emphasis on ASIC high frequency and RF analog-digital signal IC design and control systems

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