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Opto-Electric Guitar Pickup

Opto-Electric Guitar Pickup. Multidisciplinary Senior Design I RIT Spring/Fall 13323. Project Background. Replace traditional electromagnetic-based pick ups with photo-electronic one Create aftermarket photo-electronic pickup for acoustic guitar Objectives: Detection of fundamental tones

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Opto-Electric Guitar Pickup

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  1. Opto-Electric Guitar Pickup Multidisciplinary Senior Design IRITSpring/Fall 13323

  2. Project Background • Replace traditional electromagnetic-based pick ups with photo-electronic one • Create aftermarket photo-electronic pickup for acoustic guitar • Objectives: • Detection of fundamental tones • Ability to switch between digital and analog processing paths • Maintain original structure and functionality of the guitar

  3. Outline – Detailed Design Review • Team Members • Waveform Measurements • Updated Block Diagram • Schematics • Mechanical Drawings • Updated Risk Assessment • Bill Of Materials • Test Plan & MSD II Schedule

  4. Team Members • Rachel Arquette (Project Manager) (EE) • Caroline Lichtenberger (Lead Engineer) (EE) • Joe Mauger (EE) • Christopher Perry (EE) • Christopher Steele (ME) • Paul Hoops (EE) • Ye Kuang (EE)

  5. Waveform Measurements • See Attachment #1 • Sensor Output includes baseband content • Microphone Reading shows broader spikes (See especially the second spike below) Sensor Output Microphone Reading

  6. Updated Block Diagram

  7. Project Requirements & Goals • Project Requirement (Customer Needs) – See Attachment #3 Customer Needs

  8. Project Requirements & Goals (2) • Project Specifications – See Attachment #4 Specifications

  9. Schematic - Sensor • Functional Decomposition – See Attachment #5 High-Level Functional Decomposition

  10. Schematic - Analog Path Mount Devices Functional Decomposition Branch

  11. Schematic - Digital Path

  12. Schematic – Power Management

  13. Mechanical Drawings Display Status Functional Decomposition Branch

  14. Update Risk Assessments • Resistors available are closest approximation to calculated value

  15. Bill Of Materials Morphological Chart Part 1

  16. Schedule of MSD II • Suggested Timeline ->

  17. Schedule of MSD II • Adjusted Timeline ->

  18. Test Plan – Iterative • Mechanical: Finalize a functional adjustable harness system for processors and sensors • Analog: Simulate final values; document experimental waveform outputs; compare to simulated and digital • Digital: Document waveform outputs; compare to analog • Misc. Electrical: Design and order PCB’s, assemble, employ guitarist to test both data paths through electric amplifier

  19. Questions?

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