Preliminary Design Review: Nixie Tube Clock

Team A presents a detailed review of the preliminary design for a Nixie Tube Clock, covering system design, power supply, testing & evaluation, project management, scheduled tasks, organization & responsibility, with projected completion dates.

• Design Review
• Nixie Tube Clock
• Project Management
• System Design
• Testing & Evaluation

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1. PRELIMINARY DESIGN REVIEW: NIXIE TUBE CLOCK 1 16 February 2015 Team A Paul Plotkin (Team Lead), Amanda Parks, Sean Holloway, Cory Tindall

2. SYSTEM DESIGN 2

3. SYSTEM DECOMPOSITION 3

4. POWER SUPPLY 4

5. LOW VOLTAGE (LV) BOARD 5

6. HIGH VOLTAGE (HV) BOARD 6

7. TESTING & EVALUATION LOW VOLTAGE HIGH VOLTAGE ENCLOSURE Supply Supply Safety Stability Heat dissipation Waveform smoothness Component ratings HV isolation User input insolation Grounding Microcontroller Performance Signal reception Cold-Cathode Tube Interaction Lifetime Digit filament inspection Time Indicators Lifetime Receivers Position triangulation Reception within enclosure TTL Decoder Performance LV to HV interface Heat dissipation 7

8. PROJECT MANAGEMENT 8

9. PROJECTED SCHEDULE TASK PROJECTED COMPLETION LV TESTING APRIL 18, 2015 HV TESTING APRIL 18, 2015 HV SCHEMATIC & LAYOUT APRIL 25, 2015 LV SCHEMATIC & LAYOUT APRIL 25, 2015 ENCLOSURE DESIGN APRIL 25, 2015 ENCLOSURE PRODUCTION MAY 6, 2015 9

10. ORGANIZATION & RESPONSIBILITY 10

11. QUESTIONS? 11