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Summary
Electrical engineer with a MSEE and extensive experience with Analog electronics including audio/video, modems, wireless PLL's and a wide variety of circuit designs. Experience with consumer high volume design, project management, complex manufacturing, temperature effects and mechanical/electrical design. Patent experience. Im not an RF engineer but have been around it a lot.
Work Experience
Nov 1999 to Present: Analog Engineering primary consultant
Analog design, RF specification and qualification, project management,
customer support
Patent specifcaiont writing
UL and FCC agency certification
May 1989 - Nov. 1999 Echostar Technologies Corporation, Englewood, Colorado
Last few years: Design, concept, and project management on a 900Mhz wireless digital data bus. This was a lowest cost with reasonable performance half duplex, FSK modulation, Manchester encoded data bus which could support multiple devices on the bus. I also did design and problem solving on modems, caller ID circuits, level signaling on the satellite receiver LNB line, wrote a global analog spec for the satellite receiver and any other strange analog problem that popped up.
Middle few years: Factory test project engineer. When Echostar first went from analog to digital satellite receivers, I was responsible for implementing the factory test setup. I ran the test group in Denver and we worked with Engineers at factories around the world. The test philosophy we came up with is still in use today and not a single digital satellite receiver project was delayed by the factory not being ready to test it. Along with developing functional and unit testers, I was also responsible for setting up the conditional access number handling and distribution at Echostar and the factories.
First few years: Analog design. Echostar original business was selling analog satellite receivers and I was the senior analog design engineer along with running the analog design group. I was also project engineer on many international and domestic satellite receivers. I designed audio and video circuits, PLL's, FM demods, passive and active filters, board layouts, drive circuits, audio and video reconstruction (D/A).
Also while at Echostar, I analyzed patents for infringement.
1994 - 1995 I conceived of a novel sheeting method for an ice boat and patented the idea. I performed a detailed patent search, wrote a majority of the patent (learning from extensively studying available "patent it yourself" books) and took the patent through the entire process finally receiving the patent in 1996.
1984 - 1989 Mission Research Corporation, Colorado Springs, Colorado
My biggest achievement at MRC was designing a Fortran program which calculated and minimized noise in a transimpedence amplifier and then simulated the time response of the circuit. The importance of this program was because we were testing IR detectors under cryogenic conditions (it takes two days to change a component because of thermal cycles in the dewar). My program reduced the test setup from a week with non-optimized results to getting it right the first time. I was also involved in semiconductor device physics including modeling for radiation effects. Speaking of odd problems, I also solved a long time problem with a small linear accelerator by designing a unique magnetic lens.
1979 - 1984 McDonnell Douglas, Huntington Beach, California
GaAs IC design, Manchester decoder PLL design, semiconductor radiation effects.
Education
1983, Masters in Electrical Engineering, California State University at Long Beach. 1979, BS in Electrical Engineering, Utah State University, Logan, Utah. I "grew up" and went to high school in Southern Nevada.
1994 - 2001: School of "Hard Knocks" MBA. In around 1994, I was thinking about going back to school for an MBA but instead took the money and started a business based on an idea I had for an ice boat. This business has evolved to be web based and the product is now being used over 20 US states. I wrote (mostly) and was awarded a patent on the design and have been responsible for virtually every aspect of the business including web site design, marketing, customer service, sales, cash flow management, product design and manufacturing, accounting and floor sweeping. In 2001, this buisness was shut down (a good lesson in very seasonal buisness with high liablility - it really is a good product) but continues to be a hobby (link here).
Awards:
1993, Distinguished Service Award from Echostar.
1995 US patent, "Apparatus for bi lateral Sail Sheeting"
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Contact
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Address
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Wally Hall
email
(ez2rem @ rmi.net)
Phone:
303 773 9068
Cell 720 201 9448 Fax: (call
for fax number)
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Wally Hall
7361 S.
Quince Street
Englewood,
Colorado
80112
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analogengineering.com