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Digital Pulse Processing for the Charge Integration
DPP-CI firmware and DPP-CI Control Software are no longer supported. To perform Charge Integration please refer to the DPP-PSD firmware and software

Free downloadable DPP-CI 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.

720 digitizers running DPP-CI 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 QDC, discriminator and gate generator.

The digitizer runs on real time:
  • Self Trigger using CR-RC digital Time filter algorithm
  • Input signal baseline (pedestal) calculation
  • Charge Integration (with programmable gate parameters) with pedestal subtraction for energy calculation
Some typical applications:
  • Readout of PMTs with fast and slow scintillators
  • Readout of SiPM (single photon counting)
  • Applications that require a moderate timing resolution to make coincidences
DPP CI control Software
DPP-CI Control Software
is a demo program that allows the user to understand the principle of operation of the Digital Pulse Processing (DPP) and to manage the acquisition of signals acquired and read out from the digitizers (CAEN series 720 12 bit, 250 MS/s). Using the DPP-CI Control Software, the user can easily set all the parameters of the Digital Pulse Processing, configure the digitizers, run the acquisition, readout the data and plot or save the results in form of waveforms (like an oscilloscope) as well as charge and time tag histograms or lists

DPP CI Supported Boards(*)
Max Sampling Rate
250 MS/s
250 MS/s
250 MS/s
250 MS/s
Form Factor
VME 6U module
VME64X 6U module
Desktop module
NIM module

(*)The indication "size 1/ size 2" denotes different model versions

Description Release Date OS-Version Environment Download
Firmware CONET2 Compliant
Firmware   x720 DPP-CI FW CONET 2 Compliant 4.8_130.24 November, 2015
FW Package 1.46 MB - Type: .cfa Download
Release Notes 2.37 KB - Type: .txt Download

Related Models
Family Name Description
Software Libraries CAENVMELib Library Interface library for CAEN VME Bridges
Digitizer Software CAENUpgrader Firmware Upgrade Tool for Front-end Boards Bridges & VME Power Supply
Digitizer Software DPP-CI Control Software Software interface for DPP-CI management

Code Description
WFWDPPCIAAAA DPP-CI - Digital Pulse Processing for Charge Integration for (x720)
WFWDPPCI751A DPP CI - Digital Pulse Processing Charge Integration for x751
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 Digitizer Firmware 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
Manuals Last Update
DPP-CI Registers Description 16 November, 2015
UM2089 - Digital Pulse Charge Integrator (DPP-CI) User Manual 16 November, 2015
Application Notes Last Update
In this application note we describe how to upgrade the firmware of CAEN products with optical link to migrate from CONET1 to CONET2 protocol AN2472 - CONET1 to CONET2 migration 27 May, 2011
The aim of this application note is to compare the energy resolution of two gamma ray spectroscopy setups based on two different acquisition chains the first uses an analog V792N QDC, the other based on a 12 bit, 250 MS/s V1720 digitizer with a Charge Integration Digital Pulse Processing (DPP-CI). AN2503 - Charge Integration: Analog Vs. Digital 22 April, 2010
Slide Presentations Last Update
SP5148 - Digital systems for Multi-Parametric analysis in Physics Applications (India - March 2016) March, 2016
Guides Last Update
This QuickStart Guide contains the basic information and examples that will let you use CAENUpgrader in few steps. CAENUpgrader is a software with a C based console application and a Java Graphical User Interface. It reunites all the functions included in cvUpgrade, CAENBridgeUpgrade and PLLConfig programs. GD2512 - CAENUpgrader QuickStart Guide November 7th, 2016
This guide wants to provide detailed instructions on how to implement on-line coincidences with CAEN digitizers and MCA equipped either with Default firmware for waveform recording or DPP (Digital Pulse Processing) firmware. GD2827 - How to make coincidences with CAEN digitizers 14 March, 2017
White Paper Last Update
This White Paper explains the possibilities offered by Digital Pulse Processing algorithms in Nuclear Physics applications: Pulse Triggering and Timing Filters, Pulse Height Analysis (DPP-PHA: Digital MCA), Charge Integration (DPP-PSD and DPP-QDC: Digital QDC), Pulse Shape Discrimintion (DPP-PSDN: Neutron-Gamma Discrimination), Zero Length Encoding (DPP-ZLE: Zero Suppression), Dynamic Acquisition Window (DPP-DAW: Dynamic Zero Suppression), Time measurements. WP2081 - Digital Pulse Processing in Nuclear Physics 12 June, 2017

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