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CAEN 2012 Products Catalog - Quantech Works

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Firmware for DPP (Digital Pulse Processing)<br />

Index<br />

DPP-PHA Digital Pulse Processing for Pulse Height Analisys ............ pag. 26<br />

DPP-CI Digital Pulse Processing for Charge Integration ....................... pag. 27<br />

DPP-PSD Digital Pulse Processing for Pulse Shape Discrimination .... pag. 28<br />

DPP-PHA Digital Pulse Processing for Pulse Height Analysis<br />

• Digital solution equivalent to shaping<br />

amplifier + peak sensing ADC (Multi-<br />

Channel Analyzer)<br />

• Implemented in the 724 digitizer family (14<br />

bit @ 100 MS/s)<br />

• The digitizer is directly connected to the<br />

charge sensitive preamplifier<br />

• Programmable input offset, trigger and<br />

energy filter parameters<br />

• Better correction of pile-up and ballistic<br />

deficit<br />

• Higher counting rate (live time)<br />

• Provides also timing information (pulse time<br />

stamps and/or rise/fall time)<br />

<strong>CAEN</strong> Waveform Digitizers feature firmware for Digital Pulse Processing (DPP) for physics<br />

applications.<br />

The purpose of the DPP is to perform online signal processing on detector signals directly digitized,<br />

able to transform the raw sequence of samples into a compressed data packet that preserves the<br />

information required, minimizing the event data size. DPP algorithms are implemented in FPGA and<br />

can be reprogrammed at any time. In one single module you have the complete information and the<br />

capability to extract all the quantities of interest.<br />

The 724 digitizers running DPP-PHA firmware can perform as multichannel data acquisition systems<br />

for nuclear physics or other applications requiring radiation detection.<br />

The digitizers accept signals directly from Charge Sensitive Preamplifiers or photomultiplier and<br />

implement a digital replacement of Shaping Amplifier and Peak Sensing ADC (Multi-Channel<br />

Analyzer).<br />

The digitizer runs on real time:<br />

• Self Trigger using CR-RC-CR digital algorithm<br />

• Trapezoidal filter for Pulse Height Analysis and Energy spectra<br />

• Digital Constant Fraction Discriminator for event time measurement<br />

Some typical applications:<br />

• Gamma ray spectroscopy with Germanium and Silicon Detectors<br />

• Readout of PMTs with slow scintillators (for instance NaI)<br />

• Applications that require a moderate timing resolution to perform coincidences<br />

DPP-PHA Control Software<br />

DPP-PHA Control Software is a demo program that allows the user to<br />

understand the principle of operation of the Digital Pulse Processing (DPP)<br />

and to manage the acquisition of signals acquired and read out from the<br />

digitizers (<strong>CAEN</strong> series 724 14 bit, 100MS/s digitizer). Using this tool, the user<br />

can easily set all the parameters of the Digital Pulse Processing, configure the<br />

digitizer, run the acquisition, readout the data and plot or save the results in<br />

form of waveforms (like an oscilloscope) as well as energy and time stamp<br />

histograms or lists.<br />

DPP-PHA Supported Boards<br />

• DT5724 - 4 Channel 14 bit 100 MS/s Digitizer - Desktop module<br />

• DT5724A - 2 Channel 14 bit 100 MS/s Digitizers - Desktop module<br />

• N6724 - 4 Channel 14 bit 100 MS/s Digitizer - NIM module<br />

• N6724A - 2 Channel 14 bit 100 MS/s Digitizer - NIM module<br />

• V1724 - 8 Channel 14 bit 100 MS/s Digitizer - VME 6U module<br />

• VX1724 - 8 Channel 14 bit 100 MS/s Digitizer - VME64X 6U module<br />

Free downloadable DPP-PHA Trial version.<br />

• The User can download the Trial version for evaluation<br />

• The Trial version has a DAQ time frame limitation: every 30 min the user<br />

has to restart (power off/power on) the board<br />

• To get full functionality the user should purchase a License and register it<br />

• The procedure is automatic and can be completed on our web site<br />

Ordering Information<br />

Code<br />

| Description<br />

WFWDPPTFAAAA DPP-PHA - Digital Pulse Processing for Pulse Heigh Analysis (x724)<br />

WFWDPPTF02AA DPP-PHA - Digital Pulse Processing for Pulse Heigh Analysis (x724) - 2 Licence Pack<br />

WFWDPPTF05AA DPP-PHA - Digital Pulse Processing for Pulse Heigh Analysis (x724) - 5 Licence Pack<br />

WFWDPPTF10AA DPP-PHA - Digital Pulse Processing for Pulse Heigh Analysis (x724) - 10 Licence Pack<br />

WFWDPPTF20AA DPP-PHA - Digital Pulse Processing for Pulse Heigh Analysis (x724) - 20 Licence Pack<br />

26 Short Form <strong>Catalog</strong> <strong>2012</strong> More Technical Specifications available on www.caen.it

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