iLab

1
iLab

• Final Presentation
• EE 496
• May 4, 2007

2
Members

• Ka Hing Chan
• Male
• Age 21
• Nana Kim
• Female
• Age 22
• Chong Quach
• Female
• Age 40

3
Overview of Project

• Objective to design an affordable and space
  efficient all-in-one laboratory device.
• Device will include
• Power Supply
• Function Generator
• Oscilloscope
• Spectrum Analyzer
• DMM

4
Initial Goals

• Build Generator portion
• Provide adjustable DC power ranging from -20V to
  20V
• Generate sine, square, triangle waves w/
  adjustable frequency and amplitude (10 Vpp max)
• Push buttons to adjust features to test accuracy
  and precision

5
Overall Design
6
Decisions Made

• Number of outputs
• 5 DC outputs (2 fixed pos and neg ports, 1 GND)
• 2 Analog wave outputs
• Direct Digital Synthesizer (AD9833) vs. PSoC
• Transformer vs. DC-DC converter
• Buy C Compiler vs. Free Assembly Code

7
Structure (Generator)
USB SPI Analog Waveform DC
8
Design Tools
PSoC Designer
PCB Express
9
Current Status

• Received all chips
• Completed circuit design
• Setup SPI in PSoC Designer

10
Problems

• Time!!!!!
• Limited Resources
• PSoC Assembly Language
• Lack of
• C Compiler empty wallet
• PCB Boards arm leg
• Error in PCB Boards Incomplete Grade

11
To Do List

• Re-order PCB boards
• Test Chips
• Design command procedure and language

12
Future Improvements

• More time in development stage
• Explore options before committing
• Better time management
• Follow and commit to timeline
• Use Design Notebook
• Makes writing paper easier

13
Have a Great Summer!!!!?
Questions?