FAST ComTec MCA4A, User Manual

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Fig. 4.12: Setting a ROI in the waveform for the pulse-height analysis of flattop pulses.................................50
Fig. 4.13: How to switch off Auto Scaling .......................................................................................................50
Fig. 4.14: Setting parameters for flattop PHA.................................................................................................50
Fig. 4.15: Pulse Width Histogramming............................................................................................................ 51
Fig. 4.16 Scaler Settings dialog box............................................................................................................... 52
Fig. 4.17 Left: MCA4-Scaler Status utility, right: as ratemeter.........................................................................52
Fig. 4.18: System Definition dialog box........................................................................................................... 53
Fig. 4.19: Dual parameter and Calculated spectra dialog box........................................................................54
Fig. 4.20: Multi Display Setting....................................................................................................................... 54
Fig. 4.21: Multi Time Display Setting, left with installed RTC option and right without RTC option.................55
Fig. 4.22: Calculated Spectrum Setting, with (left) and without (right) RTC and Coincidence options............56
Fig. 4.23: Sum of Counts dialog...................................................................................................................... 56
Fig. 4.24: Sum of counts spectrum before and after calibration......................................................................57
Fig. 4.25: Conditions....................................................................................................................................... 58
Fig. 4.26: ROI Conditions dialog..................................................................................................................... 58
Fig. 4.27: Combine Conditions dialog.............................................................................................................58
Fig. 4.28: Conditions dialog with tag bits enabled...........................................................................................59
Fig. 4.29: Tag Conditions dialog...................................................................................................................... 59
Fig. 4.30: Opening the DDE conversation with the MCA4 server in LabVIEW................................................68
Fig. 4.31: Executing a MCA4 command from a LabVIEW application............................................................69
Fig. 4.32: Getting the total number of spectrum data with LabVIEW..............................................................69
Fig. 4.33: Getting the data with LabVIEW....................................................................................................... 70
Fig. 4.34: Closing the DDE communication in LabVIEW.................................................................................70
Fig. 4.35: Control Panel of the demo VI for LabVIEW.....................................................................................71
Fig. 5.1: MPANT main window........................................................................................................................ 73
Fig. 5.2: MPANT Map and Isometric display...................................................................................................74
Fig. 5.3: File New Display dialog..................................................................................................................... 75
Fig. 5.4: Compare dialog................................................................................................................................. 76
Fig. 5.5: Compare two spectra........................................................................................................................ 76
Fig. 5.6: Print dialog........................................................................................................................................ 77
Fig. 5.7: Slice and rectangular ROI Editing dialog..........................................................................................80
Fig. 5.8: Polygonal ROI Editing dialog............................................................................................................80
Fig. 5.9: Single Gaussian Peak Fit.................................................................................................................. 81
Fig. 5.10: Evaluation of a non-Gaussian peak................................................................................................82
Fig. 5.11: Log file Options............................................................................................................................... 82
Fig. 5.12: Colors dialog................................................................................................................................... 84
Fig. 5.13: Color Palette dialog......................................................................................................................... 84
Fig. 5.14: Single Display Options dialog ........................................................................................................85
Fig. 5.15: Map Display Options dialog............................................................................................................86
Fig. 5.16: Isometric Display Options dialog.....................................................................................................86
Fig. 5.17: Axis Parameters dialog................................................................................................................... 87
Fig. 5.18: Scale Parameters dialog................................................................................................................. 88
Fig. 5.19: Calibration dialog............................................................................................................................ 89
Fig. 5.20: Comments dialog............................................................................................................................ 90
Fig. 5.21: Settings dialog................................................................................................................................ 91
Fig. 5.22: Data Operations dialog................................................................................................................... 91
Fig. 5.23: System Definition dialog................................................................................................................. 92
Fig. 5.24: Spectra dialog................................................................................................................................. 92
Fig. 5.25: Slice dialog...................................................................................................................................... 93
Fig. 5.26: Replay dialog.................................................................................................................................. 93
Fig. 5.27: Tool Bar dialog................................................................................................................................ 94
Fig. 5.28: Function keys dialog....................................................................................................................... 94
Fig. 5.29: MPANT with four systems enabled.................................................................................................96
Fig. 7.1: ADC noise spectrum (generated with a ramp generator and Gaussian fit).....................................101
Fig. 7.2: ADC integral linearity plot for 32k ADC range.................................................................................101
Fig. 7.3: ADC differential non-linearity plot for 32k ADC range.....................................................................101
Fig. 7.4: ADC DNL distribution...................................................................................................................... 101
Fig. 7.5: Typical peak widths of Gaussian fitted pulses (32k range, 4µs shaping)........................................102
Fig. 7.6: MCS noise spectrum (32k range, 50ns dwelltime)..........................................................................103
Fig. 7.7: MCS differential non-linearity plot (32k range, 50ns dwelltime)......................................................103
Fig. 7.8: MCS DNL distribution...................................................................................................................... 104
Fig. 7.9: Counter Cable BNC or Lemo.......................................................................................................... 105
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