Hardware Projects

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Hardware Projects

  1. 1. Hardware Projects Copyright © 2009 Jeff Johnson Flick through my
  2. 2. Disclaimer <ul><ul><li>To protect the privacy of clients, this presentation does not reveal any company names, nor the names of any products herein described </li></ul></ul><ul><ul><li>This presentation is only intended to provide a quick overview of some of the various hardware that I have designed during my career </li></ul></ul>
  3. 3. Child Seatbelt Alarm <ul><ul><li>Alerts driver when a passenger has unbuckled seatbelt </li></ul></ul><ul><ul><li>RF transmitter and receiver at 916MHz </li></ul></ul><ul><ul><li>Designed for large scale production </li></ul></ul><ul><li>  </li></ul>
  4. 4. Highway Emergency Phone <ul><ul><li>MSP430 based </li></ul></ul><ul><ul><li>Mixed signal circuit </li></ul></ul><ul><ul><li>2-layer PCB </li></ul></ul><ul><ul><li>Isolated power supply </li></ul></ul><ul><ul><li>Split ground </li></ul></ul><ul><li>  </li></ul>
  5. 5. Vehicle Measurement <ul><ul><li>For precise electronic measurement of damaged vehicles </li></ul></ul><ul><ul><li>8051 based </li></ul></ul><ul><ul><li>RF transmitter and receiver at 916MHz </li></ul></ul><ul><ul><li>Integrated battery charger </li></ul></ul><ul><ul><li>Designed for large scale production </li></ul></ul><ul><li>  </li></ul>
  6. 6. Hospital Network Hub <ul><ul><li>Links hospital systems </li></ul></ul><ul><ul><ul><li>Nurse call </li></ul></ul></ul><ul><ul><ul><li>Pagers </li></ul></ul></ul><ul><ul><ul><li>Bed Alloc. </li></ul></ul></ul><ul><ul><li>DSP based </li></ul></ul><ul><ul><li>Isolated comm. </li></ul></ul><ul><ul><li>4-layer PCB </li></ul></ul><ul><ul><li>Ethernet 100Mbps </li></ul></ul><ul><ul><li>Design for large scale production </li></ul></ul><ul><li>  </li></ul>
  7. 7. Instant Hot Water Heater <ul><ul><li>Electronics to control: </li></ul></ul><ul><ul><ul><li>Heating element </li></ul></ul></ul><ul><ul><ul><li>Solenoid valve </li></ul></ul></ul><ul><ul><li>240VAC powered </li></ul></ul><ul><ul><li>Water temp maintained at set value </li></ul></ul><ul><ul><li>MSP430 based </li></ul></ul><ul><ul><li>Designed for large scale production </li></ul></ul><ul><li>  </li></ul>
  8. 8. Optical CDMA Modem <ul><ul><li>Proof of concept prototype for OCDMA </li></ul></ul><ul><ul><li>FPGA based: Xilinx Virtex-5 XUPV5 </li></ul></ul><ul><ul><li>Reed-Solomon Forward Error Correction </li></ul></ul><ul><ul><li>1Gbps Ethernet to Optical Conversion </li></ul></ul><ul><ul><li>RocketIO GTPs used for interface with custom external hardware </li></ul></ul>
  9. 9. Optical CDMA Modem: Transmitter <ul><ul><li>1.25Gbps or 625Mbps operation </li></ul></ul><ul><ul><li>Reflective SOA light source in TO-56 </li></ul></ul><ul><ul><li>True dark output during silent periods </li></ul></ul><ul><ul><li>PECL inputs </li></ul></ul><ul><ul><li>4-layer PCB </li></ul></ul>
  10. 10. Optical CDMA Modem: Receiver <ul><ul><li>1.25Gbps or 625Mbps operation </li></ul></ul><ul><ul><li>Designed for receiving true burst-mode data </li></ul></ul><ul><ul><li>Fixed threshold </li></ul></ul><ul><ul><li>Clock & Phase Aligner </li></ul></ul><ul><ul><li>8 x Over-sampling </li></ul></ul><ul><ul><li>Continuous output for RocketIO compatibility </li></ul></ul><ul><ul><li>4-layer PCB </li></ul></ul><ul><li>  </li></ul>
  11. 11. Want More Information? <ul><ul><li>These are only a few of the products I have developed, if you want to know more about my hardware experience, please don't hesitate to contact me: </li></ul></ul><ul><li>  </li></ul><ul><ul><li>LinkedIn profile: </li></ul></ul><ul><ul><ul><li>http://www.linkedin.com/in/fpgadeveloper </li></ul></ul></ul><ul><li>  </li></ul><ul><ul><li>Email address: </li></ul></ul><ul><ul><ul><li>[email_address] </li></ul></ul></ul>

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