User's Manual
Table Of Contents
- Table of Contents
- 1 Gas Sensor Platform Reference Design User's Guide
- 2 Features
- 3 Hardware Description
- 4 Antenna Simulations
- 5 Schematics and Bill Of Materials
- 6 Layout
- 7 Practical Applications
- A SAT0009 Power Board Files
- Important Notices
- Important Notices
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List of Figures
1-1. Sensor Design............................................................................................................... 7
1-2. CO Setup..................................................................................................................... 9
1-3. O
2
Setup...................................................................................................................... 9
1-4. 3-Lead Amperometric Cell................................................................................................ 10
1-5. 2-Lead Galvanic Cell In Potentiostat Configuration................................................................... 10
1-6. WEBENCH CO ............................................................................................................ 11
1-7. WEBENCH O
2
............................................................................................................. 11
2-1. Block Diagram of Gas-Sensing Platform With Bluetooth Low Energy.............................................. 15
3-1. Installing the Sensor on the Platform .................................................................................. 16
3-2. CR2032 Battery............................................................................................................ 17
3-3. System Running With LED Flashing.................................................................................... 17
3-4. Current Consumption ..................................................................................................... 18
3-5. Current Consumption-Active vs Sleep Modes......................................................................... 18
4-1. Ansoft Antenna Simulation Setup ....................................................................................... 19
4-2. Antenna Simulations With Power Board ............................................................................... 20
4-3. Antenna Simulations Matching With Power Board.................................................................... 20
4-4. Antenna Simulations Electrical Field Propagation With Power Board.............................................. 21
4-5. Antenna Simulations Setup Without Battery Board ................................................................... 21
4-6. Antenna Simulations Matching Without Battery Board ............................................................... 22
4-7. Antenna Simulations Field Propagation Without Battery Board..................................................... 23
4-8. Improved Antenna Matching ............................................................................................. 23
5-1. Power Section.............................................................................................................. 25
5-2. BLE Section ................................................................................................................ 27
5-3. AFE Section ................................................................................................................ 28
5-4. CO - O
2
..................................................................................................................... 31
5-5. Filter ......................................................................................................................... 31
6-1. Power Board ............................................................................................................... 32
6-2. BLE and AFE Board ...................................................................................................... 33
7-1. Application Icon............................................................................................................ 34
7-2. Locating the Sensors ..................................................................................................... 35
7-3. Updating the Sensors..................................................................................................... 35
7-4. Connecting to a Sensor................................................................................................... 36
7-5. Main Menu.................................................................................................................. 36
7-6. CC Debugger .............................................................................................................. 37
7-7. Launching IAR ............................................................................................................. 37
7-8. IAR Version in Use ........................................................................................................ 38
7-9. Main Loop .................................................................................................................. 38
7-10. Communication Settings.................................................................................................. 39
7-11. Sensor Section............................................................................................................. 39
7-12. CO Settings ................................................................................................................ 40
7-13. Adding New Sensor ....................................................................................................... 40
A-1. Power Board ............................................................................................................... 41
A-2. AFE and BLE Board ...................................................................................................... 42
3
SNOA922–April 2013 List of Figures
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