Hardware Specifications
| Physical: |
- Single PCI card 9.5 inches in length includes preamplifier, amplifier, detector high voltage, multichannel analyzer with data memory, LLD and ULD.
- Fully compatible with many scintillation detectors and commercial tube bases.
|
| ADC: |
- Fixed conversion 6µsec. computer selected conversion gain from 4096 to 256 channels depending on model.
- Direct input accepts pulse peaking times of 0.5µsec. to 10µsec.
- Includes dead-time correction when used in Live-time mode.
|
| Amplifier: |
- On-board combination amplifier/preamplifier for use with scintillation detectors and photo multiplier tubes.
- Course and fine gain from X1 to X160
|
| Inputs: |
- BNC connector for direct connection to PMT anode signal.
- On-board relays to bypass amplifier for use with positive unipolar or bipolar signals from external amplifier for alpha/beta spectrometers, 0-8 volt range.
|
| High voltage output: |
- MHV or optional SHV connector
- Fully regulated and controlled voltage
- 2V increments from 0-1280 volts @ 1mA maximum current
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| Upper and Lower Level Discriminators: |
computer controlled over entire input range prior to ADC operation to reduce system dead time. |
| Modes: |
- MCA for pulse height analysis
- Real time or live time operation selectable in 1 second increments in MCA mode
- MCS for half-life and other time related studies
- Dwell time selectable from 10mS to 600sec per channel in MCS mode
- 100µsec to 500µsec for Mossbauer (requires optional subpannel TEL-ICSPCIOPT)
- System dead time computed and displayed on screen during acquisition.
- Zero level: 10 turn pot
|
| Data Memory: |
On-board dynamic RAM, 1024, 2048, 4096 channel x 3 Bytes for data, plus region-of-interest flag. |
| Power: |
Supplied from PCI computer bus. On-board regulated for stability and noise rejection. |
Software Specifications
| ROI: |
 PEAK MARKERS OVERLAY THIS SPECTRUM FOR QUICK ISOTOPE IDENTIFICATION
- Multiple regions of interest with color coding.
|
| Modes: |
- MCA, preset real or live time, selectable.
- MCS, dwell times from 10mS to 600sec per channel, selectable.
- Preset count mode for selected channel, peak channel or gross
- Region-of-Interest. Smoothing: 3 point smoothing of displayed data, (original data is unaffected).
|
| Controlls: |
- Input selector
- High Voltage
- Amplifier Gain
- Lower and Upper level discriminators
- ADC Conversion Gain.
|
| File: |
Save or load files and header information in binary or spreadsheet formats. |
| Calibration: |
Auto or manual 2 point linear or 3 point quadratic calibration converts cursor position reading to energy units or time units in MCS mode. |
| Subtraction: |
- Subtracts channel by channel the time normalized data that is stored in a background buffer
- Overlay data memory spectrum with data in buffer.
|
| Background Buffer: |
Used to store background spectrum from time normalized background subtraction. |
| Integral: |
When cursor is in ROI, computes gross area, net area with end point averaging, centroid and FWHM. |
| Peak Report: |
Displays ROI data, centroid, FWHM, gross and net integrals, and header information in spreadsheet compatible format. |
| ISOMATCH: |
A library text file with peak markers for overlaying the spectrum for quick isotope identification. Library can be edited or extended by using a word processor or text editor. |
| System: |
Operates under Windows 98 and higher. |
| Display: |
- Vertical scale adjust from 64 to 16M and LOG display.
- Horizontal 1024, 2048, 4096 channels with expansion down to 32 channels.
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