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Areas of Expertise

About Redgarden Engineering

Redgarden Engineering Consultants Include:
      Principal, Electrical Engineer:Kurt A Aronow, PE
      Affiliate, Software Engineer:Adriaan Verheij
      Affiliate, Controls Engineer:Jorgen Frandsen
      Affiliate, Microwave Engineer:David R. Droege
      Affiliate, Electrical Engineer:Craig Patton
      Affiliate, Manufacturing Engineer:  Adrienne M. Fredericks
      Affiliate, PCB Layout:  James R. Gitter
      Affiliate, Bookkeeper:   Kelly D. Fitzgerald

Redgarden Engineering Advisor

Companies We Work With:
      Medical Device & Marketing: Mackie DeBellis Associates
      Quality Assurance:Speed to Market Inc.

Social Entrepreneurship

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Areas of Experience (highlighted if greater than a year)

Medical Devices Pulse oximetry,electrosurgery, dialysis
Instruments Astrophysical, geophysical, avionics, weather
AutomotiveEngine control, dynamometers
DataTape & disk drives and robotics; holographic storage; telephony; RF/optical transceivers
Aerospace Unmanned air vehicles, shuttle robotics arm
RadioAntennas, spread-spectrum, software, filters

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Kurt Aronow

About Redgarden Engineering

    Redgarden Engineering was founded in October, 2008 to offer a high level of electronic design capability that clients may utilize exactly when needed.  We can provide continuing support for our designs over periods of many years.  Redgarden has an electronics lab to allow assembly, troubleshooting, and testing of prototypes.

    We enjoy innovating, solving problems, and organizing complex pieces in useful, clear ways.  We use the linguistics of science to differentiate hypotheses we suspect from theories that are solid.  We have found the heart-based communications approach of Marshall Rosenberg compelling to engage issues with listening and communication.

    We subscribe to the IEEE Code of Ethics.  We see engineering as a means to create a more sustainable society.  (Consequently, we choose not to work on projects involving weapons of mass destruction.)

    Redgarden Engineering is named for the 700-foot high Redgarden Wall in Eldorado Canyon, the largest crag near Boulder, Colorado.  In 1989, Redgarden's founder, Kurt Aronow, was working at Palomar Observatory & contemplating graduate school in both Boulder and Seattle.  Serendipitously, he noticed a photo of the Flatirons on the cover of the CU Engineering School catalog.  Aronow continues to find compelling climbing routes in the Flatirons and Eldorado Canyon.

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Kurt Aronow

Principal Engineer:  Kurt A. Aronow, PE

  • "Solving interesting electrical engineering problems" since 1981
  • Electronic Design, Project Management, Technical Writing
  • Registered Professional Electrical Engineer in Colorado

    Redgarden's founder, Kurt Aronow, specializes in electronic design for medical devices, instruments, and industrial controls.  The range of his designs span the gamut of analog, opto-electronic, digital, logic, and power electronics circuits.  In addition to various development projects, he has assisted in writing and executing various grants (with the National Institutes of Health) for research into new types of medical instruments. He also does technical patent analysis.

    Kurt received a Masters Degree in Electrical Engineering from the University of Colorado at Boulder in 1991, including study in power electronics, controls and entrepreneurship.  He received a Bachelor's Degree in Electrical Engineering from the University of Texas at Austin in 1981.

    Download Résumé.

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Kurt Aronow

Affiliate Software Engineer:  Adriaan G. Verheij

  • Software: C++, C#, Visual Basic, DSP, SQL, etc.
  • Operating Systems: Windows, Windows CE, µC/OS
  • Electronics: Digital design, analysis, controls, etc.
  • Project Management: Project, software & IT

    Adriaan Verheij has over eighteen years of experience as both a software engineer and as a manager. His principle experience is with such medical device areas as a heart-lung machine, pulse oximetry, and eye-scanning. In addition, he has worked in several other areas including data storage and flight control.

    Adriaan's management experience includes nine years at Evergreen Research where he served as both the Director of Software Development and the Director of Information Systems (as well as an software engineer).

    Adriaan received a Master's degree in Electrical Engineering from Eindhoven University of Technology in 1994 as well as a Bachelor's degree in Electrical Engineering from HTS Dordrecht in 1989 (both in the Netherlands). He is a U.S. citizen.

    Download Résumé.

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Adriaan G. Verheij

Science Fair Judges (2010-02)

Affiliate Controls Engineer:  Jorgen Frandsen

  • Control Systems: digital & analog; non-linear; adaptive
  • Statistics: First pass yield; process design; design for mfg
  • Project Management: Product development on-schedule
  • Analog & Digital Electronics Design; analog ASIC design

    Jorgen Frandsen has over thirty-one years of experience designing electronics, managing & fostering research and development (R&D), and getting new products into full production. His expertise in engineering includes control systems, communications, analog & digital electronics design, analog ASIC design, radio frequency designs, mechanical motor design, and statistics.

    Jorgen's expertise in management includes four stints as VP of R&D where the teams designed and launched approximately twenty-five products. As VP of Operations & New Product Introduction for Maxtor, his team designed a factory producing 40,000 units per day. The main accomplishment was improving the first-pass yields from 55 to 90%. Jorgen is familiar with ISO 9K/2K certification.

    Jorgen received a Bachelor's Degree in Electrical Engineering from the University of Manitoba in 1974. This was followed with a Masters Degree in Electrical Engineering from the University of Colorado at Boulder in 1996 with work in controls, communications, and digital signal processing. Jorgen is currently working on a PhD in Electrical Engineering at the University of Colorado at Boulder. His course-work is completed, and he is working on a thesis involving statistical methods for robust design.

    Download Résumé.

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Jorgen Frandsen

PowderHorn Robotic Tape Drive Arm

Affiliate Microwave Engineer:  David R. Droege

  • RF Transmission & Antenna Design
  • Opto-Electronics Design
  • High-Volume Manufacturing (in the U.S., South America & Asia)

    David R. Droege has over fifteen years of experience creating and implementing new product and process solutions: moving microwave, RF, and opto-electronics products from conception through design, qualification, and into high-volume manufacturing and sustaining engineering.

    David's experience includes eight years at JDSU/Picolight and Cielo Communications developing high-frequency RF/optical transceivers. He also spent five years at Ericsson industrializing and manufacturing cell phones. Previous to that, he spent five years at a partnership of Hughes and Delco Electronics, designing and producing high-frequency radar transceivers for commercial applications.

    David received a Masters Degree in Electrical Engineering from the University of Arizona in 1995 with an emphasis in electromagnetics. He received a Bachelor's Degree in Applied Geophysics from Michigan Technological University in 1985.

    Download Résumé.

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David Droege

Affiliate Engineer:  Craig Patton

  • Analog & Digital Electronics Design
  • Algorithm & Software Development
  • Optical Design

    Craig has twenty-nine years of engineering experience, much of it in medical devices, as well as in smart-grid technology, industrial instruments, and aerospace.

    His broad capabilities (including electronics hardware design, embedded software, optical design, and mechanical fabrication skills) have much allowed him to become a go-to engineer on many projects.

    In addition to doing engineering, he is currently re-building a 42-foot sailboat.

    Mark received a Bachelor's Degree in Electrical Engineering from the University of Wyoming at Laramie in 1981.

    Download Résumé.

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Craig Patton

Affiliate Engineer:  Adrienne Fredericks

  • Oversee prototype engineering builds for electronics assemblies
  • Review electronics designs for accuracy and manufacturability
  • Write & edit engineering documentation

    Adrienne has four years of engineering experience, all involving preparation for manufacturing or manufacturing of electronics assemblies.

    Her critical thinking, sharp eye, and organizational skills have helped her become an important team member on most of the engineering projects that Redgarden Engineering undertakes.

    Adrienne received a Bachelor's Degree in Industrial Engineering from Northwestern University in Evanston, IL in 1998.

    Download Résumé.

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Adrienne Fredericks

Printed Circuit Board (PCB) Layout:  James R. Gitter

  • Layout PCBs
  • Review PCB layouts

   Jim has lived in the Boulder area for most of his career and has well over thirty years of experience designing circuit boards for numerous companies. His experience covers applications in aerospace, data storage, disk drives, instrumentation, medical, and telecommunications designs.

    Jim has worked with many different computer aided design (CAD) packages and now uses Mentor Graphics' PADs layout tools. He does all types of PCB designs including analog, high-speed digital (with controlled impedances), power supplies, backplanes, and flex circuits.

    Jim received a two-year Drafting certificate in 1969 from the FDL Vo-Tech in Fond du Lac, Wisconsin. He attended the University of Colorado at Boulder from 1972 to 1974 as well as attending numerous electronics and PCB-related classes and short-courses over the years.

    Download Résumé.

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Ralph Ferrara

Bookkeeper and Purchasing:  Kelly D. Fitzgerald

  • Company and project bookkeeping
  • Electronics purchasing and kitting

   Kelly is a careful and deliberate bookkeeper and purchaser working within her own Peak Accounting Services business. Previous work includes various types of financial auditing for an accounting firm and keeping the books for several small businesses.

   Kelly received a Bachelor's Degree in Acccounting from the University of Colorado at Colorado Springs in 2005. She is highly proficient with Quickbooks, Excel, etc. Typically, her purchasing & parts kitting is overseen by one of the engineers at Redgarden.

    Download Résumé.

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Kelly D. Fitzgerald

Redgarden Engineering Advisor

    Larry Benko is a recently-retired electrical engineer with a career in telecommunications that included long stints at Bell Labs, Texas Instruments, and Aztek Engineering. He has broad experience in analog, digital, and radio frequency electronic designs as well as embedded software.

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Larry & Beth Benko

Company We Work With:  Mackie DeBellis Associates (MDA)

    An integrated approach to bottom-line sales and marketing for healthcare:

    Mackie DeBellis Associates is a full-service, strategic marketing consulting firm focused on healthcare and medical devices in the for-profit and non-profit sectors.

    Our multidisciplinary team uses an integrated approach to translate technically complex ideas into innovative products and global marketing strategy. We have designed, developed, marketed, and launched numerous products exceeding $60 million in collective sales revenue globally.

    Contact us and let us help you develop these marketing and innovation opportunities!

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  Pamela Debellis

Company We Work With:  Speed to Market Inc.

    Tom Kroenke founded Speed To Market in 2001 to assist medical device companies to quickly obtain market access for their products, and to maintain that access through compliant products and systems.

    Medical device companies have more specialized quality assurance and regulatory affairs needs than other companies because medical device regulations are more stringent than those affecting most companies.

    Additionally, medical device companies are regulated by federal agencies in many different ways in almost every country. These quality assurance and regulatory affairs needs require specialized resources, especially when fast market access is critical to company success!

    First and foremost, all Speed To Market products and services are focused on regulatory compliance.  The risks to any medical device company are too great if it does not operate within the law. However, regulatory compliance is not mutually exclusive with fast market access.  This is where Speed To Market products and services give your company an advantage!

    Contact Maren Kroenke with Speed to Market by phone at (702) 615-9441 or via email at: info@SpeedToMarket.net.

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Social Entrepreneurship

One percent of Redgarden Engineering's annual distributions are donated to non-profits dedicated to creating a more sustainable society including the Cottonwood Institute.

We are beginning to envision a new Bicycle Tent Trailer development project for the homeless. The trailer will partially address the problem of homeless people sleeping out in cities in all but the harshest weather. These trailers may help that small proportion of homeless people who are interested and capable of dealing with bicycles and trailers (perhaps 10-20%). City and county programs can be developed to distribute the trailers through existing programs serving the homeless coordinating with other nonprofit bicycle distribution programs. The trailers may promote more independence at a lower overall cost than beds in a shelter.

We envision that port-a-potties can be placed in sponsoring organizations' parking lots to support overnight camping with the trailers. The trailers can be stored outside in designated fenced areas such as outside a homeless shelter. The trailers can include "license plates" that will allow people in the community to call in and get a trailer picked up if it is abandoned. The trailer will:

  • Connect to almost any bicycle
  • Include a cot that unfolds behind it, sitting ~10" off the ground
  • Include an integral hoop-based, free-standing tent around the cot
  • Include a vestibule for belongings stretching onto the trailer itself
  • Allow transport of belongings inside folded tent w/ bungee cords
  • Include a door in the back

We are currently seeking collaborators including:

  • A non-profit institution under which to operate the project
  • Mechanical designers and engineers
  • Social workers working with the homeless to refine the concept
  • Tent designers
  • Corporate sponsors--especially tent and bicycle-related
  • Non-profits to sponsor pilot programs

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