• Physical: Benchtop enclosure with USB 1.1 interface includes preamplifier, amplifier, detector high voltage, up to 4096-channels depending on model, multichannel analyzer with data memory, LLD and ULD. Pulse height analysis and multichannel scaling modes. Fully compatible with many scintillation detectors and commercial tube bases.
• Data Input: BNC connector multi-function input. On-board relays select internal preamplifier, shaping amplifier or direct to ADC when using external signal processing.
• Gate Input: BNC connector. Normally open gate. TTL low closes gate to ADC.
• HV Output: MHV connectors. Positive output, (switched positive or negative outputs with HV option). (SHV connectors optional), 0-2048 volts, 1mA maximum current at 1000 volts. High voltage is fully regulated and computer controlled in 2 volt increments.
• MCS Input: BNC connector bypasses internal preamp/amplifier. Accepts positive TTL signal >150nsec., 5MHz maximum rate.
• ROI Output: BNC connector. Generates pulse each time an event occurs in set region of interest. Requires ROI option.
• MSB Output: BNC connector. TTL output of dwell counter most-significant-bit for synchronizing Mossbauer drive.
• USB: USB type “A” connector. USB 1.1 standard.
• Preamplifier: Charge sensitive preamplifier for use with scintillation detectors and PMT’s.
• Amplifier: Bipolar shaping amplifier with selectable peaking times of 1, 2, 4 and 8µsec. Computer controlled coarse and fine gain from x1 to x160. Input polarity selection.
• External Preamp Power: DB-9F connector supplies ±12 volts.
• ADC: Fixed conversion 10usec. Computer selected conversion gain from 256 to 4096 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.
• LLD & ULD: Independently computer controlled discriminators over entire input range. Operates prior to ADC for reduced system dead time.
• Modes: MCA for pulse height analysis, MCS for half-life decay or other time related studies and Mossbauer mode.
• Timers: Real-time or Live-time operation selectable in 1-second increments for PHA, or dwell times from 10msec. to 60sec. per channel in MCS mode. In Mossbauer mode, 100usec. to 500usec.
• Data Memory: On-board dynamic RAM, up to 4096 channels x 3 Bytes for data, plus region-of-interest flag.
• Deadtime: System dead time is computed and displayed on screen during acquisition.
• Power: AC line, 100-250VAC, 50/60Hz, autosensing internal power supply with Universal Power Cord input.

• System: Operates under Windows 2000/XP.
• Display: Color or monochrome monitor, Vertical scale adjusts from 32 to 16M and LOG display. Horizontal 4096 channels depending on model with expansion down to 128 channels.
• Time Mode: Preset live-time or preset real-time selection. Both times are recorded and displayed.
• Count Mode: Preset count mode integral of  region-of-Interest.
• ROI'S: Multiple Regions-of Interest using color coding.
• Integral: When cursor is in ROI, computes gross area, net area with end point averaging, centroid and FWHM.
• Energy Cal: 2-point linear or 3-point quadratic converts cursor position reading directly to energy units. (Time units in MCS mode.)
• Autocalibrate: Use with Cs-137 source to automatically calibrate system for 1 keV/channel.
• Bkgd Buffer: Used to store background spectrum for time normalized background subtraction.
• Subtract: Subtracts channel-by-channel time normalized data stored in Background Buffer from display data.
• Smooth: 3-point smoothing of displayed data. Does not modify data in acquisition memory.
• Control: Software control of Input Selector, High Voltage and Polarity (with HV option), Amplifier Input Polarity, Peaking Time, Gain, Lower and Upper level discriminators, and ADC Conversion Gain.
• File: Save or load data file and header information in binary format or as CSV/TSV files. Save or load setup files for specific configurations.
• Clipboard: Clips data and header information, graphic screens, ROI data containing, centroid, FWHM, gross and net integrals, and header information in spreadsheet compatible format for transferring into other applications.
• ISOMATCH: Isotope library text file with peak markers and labeling for overlaying on spectrum. Provides quick isotope identification. Libraries may be edited and extended using word processors or text editor programs.

TEL ICS-PCI INTEGRATED COMPUTER SPECTROMETER SYSTEM INCLUDES EVERYTHING YOU NEED FOR PERFORMING MCA EXPERIMENTS

• Can be used for gamma and x-ray spectroscopy, single photon counting, half life and decay studies
• High voltage and amplifier included on card
• ISOMATCH software for easy nuclide identification included
• All microcomputer controlled
• 1024 channel, 2048 channel, 4096 channel versions
• Direct access to ADC for use with solid state detectors such as alpha/beta spectrometers
• Single PCI Slot

To aid in the identification of nuclides, the ICS-PCI contains a unique peak labeling feature named ISOMATCH. Providing the unit is accurately energy calibrated, the user may select a nuclide from the library and the corresponding characteristic emission lines are superimposed on the spectrum along with isotope and energy information.  Using this feature, users may quickly check a spectrum and visually identify the emission components for each nuclide present.

Specifications

Hardware

Physical:  Single PCI card 9.5 inches in length includes preamplifier, amplifier, detector high voltage, up to 4096-channel depending on model, 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.  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. Course and fine gain from X1 to X160. Computer controlled high voltage output via an MHV or optional SHV connector supplies fully regulated and controlled voltage in 2V increments from 0-1280 volts @ 1mA maximum current. 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, MCS for half-life and other time related studies; real time or live time operation selectable in 1 second increments in MCA mode, dwell time selectable from 10mS to 600sec per channel in MCS mode, 100µsec to 500µsec for Mossbauer (requires optional subpannel TEL-ICSPCIOPT --$70).  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.

PEAK MARKERS OVERLAY THIS SPECTRUM FOR QUICK ISOTOPE IDENTIFICATION

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).

Control: Software control input selector, High Voltage, Amplifier Gain, Lower and Upper level discriminators, and 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: 640x480 and higher. Vertical scale adjust from 64 to 16M and LOG display. Horizontal 1024, 2048, 4096 channels with expansion down to 32 channels.