Royal Winston Kelsey
1485 McKendrie St.
San Jose, Ca, 95126
408-393-7409
meanroy@ix.netcom.com

    Analog circuit design experience includes: Transducer signal conditioning and interfacing, laser diode control and electro-optical signal detection. Power Supply design and filtering, Analog to digital conversion and digital to analog conversion.  Experienced with Spice simulation, LCAS linear circuit analysis software, MatLab, Schematic capture, High speed PC design and layout. Some Protel Signal Integrity experience.

    Digital design experience with Embedded micro controllers. Logic design and synthesis using (Limited) Verilog, Palasm, Able, and targeting FPGA (Altera), CPLD (Lattice), PAL and PLE devices. VME bus at the board level, digital and analog I/O, stepper motors, spin motor control,.

    Programming Skills include 68K and 6833X assembly, C, PLM386, Visual Basic, HTML, Javascript. Currently studying Perl (07-1-05) .

    Various projects, including AntiSpamBot in Perl for removing spam from various websites, continuing.
Provide CGI-BIN implementation of website order-entry for various clients.
Currently  studying for Linux professional certification.

    Modified the photo-diode array pre-amplifier for better noise margin and to improve manufacturability and yield. Designed Photo-Diode array/Pre-amplifier, integrated into HPLC optical bench, to replace existing system with remote pre-amp. Additional development work related to proprietary HPLC electronics.

    Responsible for the design of required hardware to support the development of a Giga-Bit over copper PHY I.C. Designed hardware interface to GPIB test equipment for performing characterization of test chips. Managed contractors tasked with producing automated testing software in LabView. Managed PCI bus evaluation board development. Completed design of 300 MHz capable PCA for characterization of test chips containing 250 MHz A/D, 125 MHz D/A, Line Driver, Digitally controlled filter and VGA (variable gain amplifier). Analyzed acquired data using MatLab to verify performance to specification. Designing test board for next tape-out incorporating 25-125 MHz PLL.

    Design of high-speed signal channel for proposed new metrology technique. (Radial surface scan)
Re-Design of electro-optical signal detection sub-system. Integrated 16-bit A/D converter with Sensor pre-amp for use in harsh environments.
Designed LVDS Hub for multiplexing outputs from multiple integrated sensors. Took designs through layout, assembly, and de-bug. Modified digital data channels to utilize LVDS technology, replacing RS485 for an approximately 10X reduction in power requirements.

    Lead engineer for Optical Products group. Modified system to increase data thru-put rate by a factor of 10. Modified Altera FPGA, DSP PCA, and worked with software engineer to modify code to take advantage of modifications. Designed and implemented an analog electronics solution to surface roughness measurement involving high-speed surface scan of disc surfaces.

    Directed design and documentation of a new Control-Interface PCA eliminating 12 cables and consolidating internal drawer power distribution. Provided an on-site technician and technical leadership to provide upgrades to system components for 300 MM products.

    Lead Electrical Engineer responsible for design and system integration for a project creating a 300 MM version of a Semiconductor measuring system. Modified system architecture to increase interchangeability of system components between divergent product lines. Redesigned various subsystem components to replace obsolete assemblies. Provided system documentation for manufacture of subsequent systems.

    Responsible for modification and re-layout of wide band photo-detector pre-amps to allow a single fab for pre-amps used in three applications. These pre-amps have a very high (~ 3 GHz) gain-bandwidth product and required careful layout within a severe space constraint. Auto-focus preamp, M1/M2 Photo detector pre-amp, and M1/M2 servo. Re-design cross axis scanner drive electronics to function with MiniSAX Galvo driver and motor.

    Integrated68332 controller PCA with system software. Details included processor initialization, modified analog circuitry to provide stability. Re-designedtiming PLD to remove problems.

    Electrical design and software development required to produce an Asher for flat panel display production Generated the electrical designs necessary to operate and control the tool with a 68K uController. Interface the tool to a robot. Modify microwave plasma generators to produce more power. Design menu tree and Graphical User Interface using Visual Basic. Modify controller software using Aztec C.