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DPP-PHA

Digital Pulse Processing for the Pulse Height Analysis

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Features

  • Digital solution equivalent to Shaping Amplifier and Peak Sensing ADC
  • Trapezoidal Filter for Pulse Height Analysis
  • Supported by:
  • Energy spectra measurements
  • Self-Trigger using RC-CR2 digital algorithm
  • Online baseline restoration and ballistic effect correction
  • Programmable input offset, trigger and energy filter parameters
  • Online correction of pile-up for high counting rate measurements
  • On-line coincidences/anti-coincidence acquisition mode among channels
  • Timing information (pulse timestamps and/or rise/fall time)
  • Free downloadable firmware trial version
More info
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Overview

Free downloadable DPP-PHA Trial version for 724, 725, 730, 2740 and 2745 series.

  • The user can download and install DPP-PHA 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
  • To get time-unlimited operating DPP-PHA the user should purchase a License
  • 780/781/V1782 Digital MCA are factory provided with time-unlimited operating DPP-PHA firmware and don’t require licensing

DPP-PHA (Digital Pulse Processing for Pulse Height Analysis) firmware is fully controlled by CoMPASS, the CAEN multiparametric spectroscopy software for Physics application, and by MC2Analyzer (724, 725, 730 only), the CAEN software for Digital Pulse Height Analysis.

A digitizer running DPP-PHA firmware becomes a multichannel data acquisition system for nuclear physics or other applications requiring radiation detectors. The digitizers accept signals directly from Charge Sensitive Preamplifiers or photomultipliers and implement a digital replacement of Shaping Amplifier and Peak Sensing ADC, allowing the user to perform energy and time measurements. All these functions are performed inside the 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 and, eventually, perform coincidences among channels thanks to the DPP-PHA firmware features: the front panel clock, the trigger and the general-purpose LVDS I/Os connectors (VME only) make it possible to synchronize multiple boards.

Software Firmware Features 724 725 730 2740 2745
MC2Analyzer
(724, 725, 730 only)		 DPP-PHA ICH (Independent channels) ✔ ✔ ✔ ✔ ✔
WV (Waveforms) ✔ ✔ ✔ ✔ ✔
Compass TS (Timestamp) ✔ ✔ ✔ ✔ ✔
PHA (Pulse Height Analysis) ✔ ✔ ✔ ✔ ✔
TDC (Time to Digital Converter) ✔ ✔ ✔ ✔
Applications:
  • Nuclear Spectroscopy
  • HPGe, silicon drift, silicon strip detectors
  • Readout of PMT with slow scintillation detectors (i.e. Na(TI))
  • Anti-Compton shielding
  • Ion Beam analysis
  • Homeland security
  • Nuclear medicine

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Ordering Options

Code Description
WFWDPPTFAA30 DPP-PHA - Digital Pulse Processing for Pulse Height Analysis (16ch x 730)  
WFWDPPTFAAAA DPP-PHA - Digital Pulse Processing for Pulse Height Analysis (8ch x 724)  
WFWDPPTFAA25 DPP-PHA - Digital Pulse Processing for Pulse Height Analysis for (16ch x 725)  
WFWDPPTFAD24 DPP-PHA - Digital Pulse Processing for Pulse Height Analysis (4/2 ch x 724)  
WFWDPPTFAD25 DPP-PHA - Digital Pulse Processing for Pulse Height Analysis for (8ch x 725)  
WFWDPPTFAD30 DPP-PHA - Digital Pulse Processing for Pulse Height Analysis (8ch x 730)  

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