R9 Control System User Guide v5.5
Figure 6.8. Example I/V Spectroscopy Measurement on a Pair of Back to Back FETs ............................. 57
Figure 6.9. Spectroscopy Settings and Circuit Diagram for the Trial dI/dV Spectroscopy ......................... 58
Figure 6.10. Modification to Pre-configured UHV300 Dashboard............................................................... 58
Figure 6.11. The 'dI' Oscilloscope Trace for 2mV Oscillation Amplitude shown above and a series
resistance of 200 Meg Ohms ............................................................................................................... 59
Figure 6.12. I/V and dI/dV Spectroscopy Plots ........................................................................................... 60
Figure 6.13. Pictorial representation of dI/dV.............................................................................................. 61
Figure 6.14. Interferometer Feedback ........................................................................................................ 62
Figure 7.1. Spectroscopy ............................................................................................................................ 64
Figure 7.2. Two different kinds of file export format, picture file and ASCII file .......................................... 65
Figure A.1. Hardware Space Properties ..................................................................................................... 66
Figure A.2. Hiding Dashboard Controls ...................................................................................................... 67
Figure A.3. Hiding Dashboard Panels to Ribbon ........................................................................................ 68
Figure A.4. Showing Panels on the Ribbon ................................................................................................ 68
Figure A.5. R9 Controls ............................................................................................................................... 69
Figure A.6. Ramping R9 Controls ............................................................................................................... 69
Figure A.7. User-Configurable Limits on Data Entry ................................................................................... 70
Figure A.8. Settings for User-configurable Limits ....................................................................................... 70
Figure A.9. Adding Procedure Panels to composites on the Dashboard ................................................... 71
Figure A.10. Preconfigured STM Measure Items........................................................................................ 72
Figure B.1. Channel 1 Drive - Hardware Space.......................................................................................... 73
Figure B.2. Block Diagram of Drive 1 and Drive 2 Output Circuitry ............................................................ 74
Figure B.3. Channel 1 Drive - Property Panel in Hardware Space ............................................................. 74
Figure B.4. Hardware Space - Channel 1 Input .......................................................................................... 77
Figure B.5. Block Diagram of Channel 1 and Channel 2 Input Circuitry ..................................................... 78
Figure B.6. Property Panel in Hardware Space .......................................................................................... 78
Figure B.7. Hardware Space - Channel 3 Input .......................................................................................... 80
Figure B.8. Block Diagram of Channel 3 and Channel 4 Input Circuitry ..................................................... 80
Figure B.9. Property Panel in Hardware Space .......................................................................................... 81
Figure B.10. CH5 input in Hardware Space ................................................................................................ 82
Figure B.11. STM Bias ................................................................................................................................ 82
Figure B.12. Lock-in Amplifier - Hardware Space ....................................................................................... 83
Figure B.13. Lock-in Amplifier - Low Pass Filter ......................................................................................... 84
Figure B.14. Lock-in Amplifier used for dI/dV ............................................................................................. 85
Figure B.15. Lock-in Amplifier operating independent of the inputs ........................................................... 86
Figure B.16. Feedback Loop Controllers .................................................................................................... 87
Figure B.17. Feedback Loop Connections .................................................................................................. 87
Figure B.18. Auxillary PI Feedback Controller ............................................................................................ 89
Figure B.19. Aux PI Input in Hardware Space ............................................................................................ 89
Figure B.20. Aux PI Input Settings .............................................................................................................. 90
Figure B.21. Kelvin PI Feedback Controller ................................................................................................ 90
Figure B.22. Kelvin PI input in Hardware Space ......................................................................................... 90
Figure B.23. Kelvin PI input Settings .......................................................................................................... 91
Figure B.24. Filters for High Speed Inputs .................................................................................................. 91
Figure B.25. Transient Recorder ................................................................................................................. 92
Figure B.26. Scan Processor ...................................................................................................................... 93
Figure B.27. Slope Compensation .............................................................................................................. 93
Figure B.28. Internal Piezo Modulation ....................................................................................................... 94
Figure B.29. Internal Piezo Modulation Output ........................................................................................... 95
Figure B.30. High Voltage Amplifiers .......................................................................................................... 95
Figure B.31. High Voltage X Scan Signal Output Examples ...................................................................... 96
Figure B.32. Status A/D Inputs.................................................................................................................... 98
Figure B.33. Pulse Counting ....................................................................................................................... 98
Figure B.34. TTL Output ............................................................................................................................. 99
Figure B.35. Forth Scripts ......................................................................................................................... 100
Figure B.36. Description ............................................................................................................................ 100
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