APPENDIX D ANALOG FRONT END EXPLAINED D-1 – APPENDIX E DIGITAL LOCK-IN EXPLAINED E-1 – APPENDIX F OVERALL I/O SYSTEM SPECIFICATIONS F-1 – APPENDIX G BILL OF MATERIALS G-1 – APPENDIX H APPLICABLE STANDARDS H-1 – TABLES 1 9 ChemSense Cost Benefit Analysis 2 ChemSense’s Prototype Power Results 17 2 Cumulative ChemSense Project 19 FIGURES 1 Block Diagram of ChemSense 3 2 Schematic of ChemSense’s Detection Process 5 3 User Defined Set Points (Android App). 7 4 Android App Data Export Function 7 5 Prototype Dimensions and Layout 10 6 QCL Output with ChemSense Negative Pulsed Driver 11 7 Lock-In Detection Test 12 8 ChemSense Laser Driver Powered by Power Subsystem 15 9 Integration Test of Laser Driver, DSP MCU, and Detection Circuitry. 16 10 Android App Real-Time System Test 16 11 Android App Real-Time System Test with Threshold Alert 17
APPENDIX D – ANALOG FRONT END EXPLAINED D-1 APPENDIX E – DIGITAL LOCK-IN EXPLAINED E-1 APPENDIX F – OVERALL I/O SYSTEM SPECIFICATIONS F-1 APPENDIX G – BILL OF MATERIALS G-1 APPENDIX H – APPLICABLE STANDARDS H-1 TABLES 1 ChemSense Cost Benefit Analysis 9 2 ChemSense’s Prototype Power Results 17 2 Cumulative ChemSense Project 19 FIGURES 1 Block Diagram of ChemSense 3 2 Schematic of ChemSense’s Detection Process 5 3 User Defined Set Points (Android App). 7 4 Android App Data Export Function 7 5 Prototype Dimensions and Layout 10 6 QCL Output with ChemSense Negative Pulsed Driver 11 7 Lock-In Detection Test 12 8 ChemSense Laser Driver Powered by Power Subsystem 15 9 Integration Test of Laser Driver, DSP MCU, and Detection Circuitry. 16 10 Android App Real-Time System Test 16 11 Android App Real-Time System Test with Threshold Alert 17
ChemSense_5F00_fullreport.docx