Digital Pulse Processing for Charge Integration and Pulse Shape Discrimination
DPP-PSD
Free downloadable DPP-PSD Trial version for 720, 725, 730, 751, 2740, 2745 and 2730 series.
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The user can download and install DPP-PSD firmware without any license key and use it with time frame limitation: every 30 min the user have to restart (Power off/power on) the board
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To get time-unlimited operating DPP-PSD the user should purchase a License
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x790 Digital Pulse Analyzers are factory provided with time-unlimited operating DPP-PSD firmware and don’t require licensing
DPP-PSD (Digital Pulse Processing for Charge Integration and Pulse Shape Discrimination) firmware is fully controlled by CoMPASS, the CAEN multiparametric spectroscopy software for Physics applications.
A digitizer running the DPP-PSD firmware becomes a multichannel data acquisition system for nuclear physics or other applications requiring radiation detectors. The digitizer accepts signals directly from the detector and implements a digital replacement of Dual Gate QDC, Discriminator and Gate Generator. All these functions are performed inside the board FPGA without any use of external cables, nor additional boards or delay lines. Therefore, a single compact system takes care of the acquisition, replacing the traditional analog boards.
It is also possible to realize multi-board systems: the front panel clock, the trigger and the general-purpose LVDS I/Os connectors (VME only) make possible the synchronization of multiple boards.
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Software |
Firmware |
Features |
720 (1) |
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ICH (Independent channels) |
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✔ |
✔ |
✔ |
✔ |
✔ |
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WV (Waveforms) |
✔ |
✔ |
✔ |
✔ |
✔ |
✔ |
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TS (Timestamp) |
✔ |
✔ |
✔ |
✔ |
✔ |
✔ |
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TDC (Time to Digital Converter) |
✔ |
✔ |
✔ |
✔ |
✔ |
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QDC (Charge to Digital Converter) |
✔ |
✔ |
✔ |
✔ |
✔ |
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CFD (Constant Fraction Discriminator) |
✔ |
✔ |
✔ |
✔ |
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PSD (Pulse Shape Discrimination) |
✔ |
✔ |
✔ |
✔ |
✔ |
✔ |
(1) ONLY versions: E/F/G (VME) – E/F (Desktop) – E/F (VME64X) – B/C/D/E (NIM)
Applications
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Spectroscopy with scintillation organic/inorganic detectors
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SiPM readout systems
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Neutron physics with liquid scintillation detectors
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Acquisition from phoswich detectors
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Time-dependent spectroscopy
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Precise timing for Time of Flight measurements
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Homeland security
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Neutron imagine
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PET
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Tagged neutron for inspection systems
Features
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Digital solution equivalent to Dual Gate QDC + Discriminator + Gate Generator
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Implemented in the digitizer families:
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Fully supported by the CoMPASS software
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Double charge integration for Pulse Shape Discrimination
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Programmable width and position of the two gates
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Single gate integration for energy spectra calculation
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Self-Gating (no discriminator) with digital noise filtering
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No delay line is needed to fit the position of the pulse inside the gate
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Automatic baseline subtraction (pedestal)
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Digital Constant Fraction Discrimination for fine time stamp interpolation (pico-second intrinsic resolution)
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Timing information (pulse time-stamps)
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No conversion time to reduce the dead-time of the acquisition
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On-line coincidences/anti-coincidences acquisition mode among channels
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Free downloadable firmware trial version
DPP-PSD: Manuals
DPP-PSD: Download
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