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DPP-QDC

Digital Pulse Processing for Charge to Digital Converter
Free downloadable DPP-QDC Trial version.

  • The User can download the Trial Version for evaluation
  • The Trial version has a DAQ time frame limitation: every 30 min the user have to restart (Power off/power on) the board
  • To get full functionality the user should purchase a License and register it
  • The procedure is automatic and can be completed on our web site

CAEN Waveform Digitizers feature firmware for Digital Pulse Processing (DPP) for physics applications.
The purpose of the DPP is to perform online signal processing on detector signals directly digitized, able to transform the raw sequence of samples into a compressed data packet that preserves the information required, minimizing the event data size. DPP algorithms are implemented in FPGA and can be reprogrammed at any time. In one single module you have the complete information and the capability to extract all the quantities of interest.

740D digitizer series running DPP-QDC firmware become multichannel data acquisition systems for nuclear physics or other applications requiring radiation detection. The digitizers accept signals directly from the detector and implement a digital replacement of Single Gate QDC, Discriminator and Gate Generator.

The new digital QDC is able to self-trigger on 32/64 channels independently, according to the board form factor. Furthermore the trigger filter of each channel can be programmed independently to allow for a fine tuning of the threshold. The integration gate itself can be programmed independently to get the best resolution from different detector systems.
The new digital QDC is able to self gate on the input pulse with no need of additional delay lines, nor external discriminator. It is particularly suitable for segmented detector configuration, where multiple channels need to be acquire simultaneously.

Some typical applications:
  • Multiple scintillation detectors readout
  • Segmented detectors
  • Homeland security

DPP-QDC runs only on x740 digitizers equipped with EP3C40 AMC FPGA:

Channels
64
64
32
32

Max Sampling Rate
62.5 MS/s
62.5 MS/s
62.5 MS/s
62.5 MS/s

Resolution
12-bit
12-bit
12-bit
12-bit

Form Factor
VME 6U module
VME64X 6U module
Desktop module
NIM module


DPP-QDC Demo Software
DPP-QDC Demo Software is a is C demo application that manages the communication and the data acquisition from 740D digitizer series. It is possible to set the communication parameters and DPP settings. Waveforms and histograms can also be plotted in real time for one channel at a time, and both waveforms and lists of time stamp and energy can be saved. DPP-QDC Demo Software is provided including C source files for developers.
Description Release Date OS-Version Environment Download
Firmware CONET2 Compliant
Firmware   x740D DPP-QDC FW (A) 4..15_135.10 June, 2017
FW Package 1.55 MB - Type: .cfa Download
Release Notes 2.89 KB - Type: .txt Download
 
Control Software
Windows DPP-QDC Demo Software 1.0 October, 2015 Windows 7 or Greater
SW Package 9.2 MB - Type: .zip Download
Release Notes 1.05 KB - Type: .txt Download

Related Models
Family Name Description
Software Libraries CAENComm Library Interface library for CAEN Data Acquistion Modules
Digitizer Software CAENDigitizer Library Library of functions for CAEN Digitizers high level management
Digitizer Software CAENUpgrader Firmware Upgrade Tool for Front-end Boards Bridges & VME Power Supply

Notes

  • (A) This firmware requires a license or it will run in a 30-minute-per-power-cycle fully functional trial version
Code Description
WFWDPPQDCAAA DPP-QDC- Digital Pulse Processing for Time Stamped Digital QDC (64ch x 740)
WFWDPPQDCDAA DPP-QDC- Digital Pulse Processing for Time Stamped Digital QDC (32ch x 740)
Model Package Function Description Compare
All - Reset
DPP-CI DPP Firmware/Software Tools (Digitizer) DPP Firmware Digital Pulse Processing for the Charge Integration
DPP-DAW Digitizer Firmware DPP Firmware Digital Pulse Processing for Dynamic Acquisition Window
DPP-PHA DPP Firmware/Software Tools (Digitizer) DPP Firmware Digital Pulse Processing for the Pulse Height Analysis (formerly DPP-TF)
DPP-PSD Digitizer Firmware DPP Firmware Digital Pulse Processing for the Pulse Shape Discrimination
DPP-QDC DPP Firmware/Software Tools (Digitizer) DPP Firmware Digital Pulse Processing for Charge to Digital Converter
DPP-SUP Digitizer Firmware DPP Firmware Digital Pulse Processing Super Licence
DPP-ZLEplus Digitizer Firmware DPP Firmware Digital Pulse Processing for the Zero Length Encoding

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