|FPGA for real time Digital Pulse Processing (*)|
The model is available in 7 versions with different FPGA densities: V1720/V1720B/V1720C/V1720D equipped with Cyclone EP1C4 (4.000 LEs) and V1720E/V1720F/V1720G equipped with Cyclone EP1C20 (20.000 LEs).
|CAEN provides also for this model two Digital Pulse Processing firmware for Physics Applications. This feature allows to perform on-line processing on detector signal directly digitized:|
|Package||1-unit wide VME 6U module|
8 channels (MCX 50 Ohm)
Single ended or differential
Input range: 2 Vpp
Bandwidth: 125 MHz
Programmable DAC for Offset Adjustment x channel (single ended only): ±1 V
Resolution: 12 bit
Sampling rate: 31.25 to 250 MS/s simultaneously on each channel
10.14 (64 kS Buffer)
0.95 LSB rms (64 kS Buffer, open input)
|ADC Sampling Clock generation||
Three operating modes:
- PLL mode: internal reference (50 MHz loc. oscillator)
- PLL mode: external reference on CLK_IN
- PLL Bypass mode: ext. clock on CLK_IN drives directly ADC clocks (Freq.: 31.25 ÷ 250 MHz)
CLK_IN (AMP Modu II):
- AC coupled differential input clock LVDS, ECL, PECL, LVPECL, CML (single ended NIM/TTL available by custom cable)
CLK_OUT (AMP Modu II):
- DC coupled differential LVDS clock output locked at ADC sampling clock (Freq.:31.25 - 250 MHz)
TRG_IN (NIM/TTL, Zin = 50 Ohm): external trigger input
TRG_OUT (NIM/TTL, Rt = 50 Ohm): local trigger output
S_IN (NIM/TTL, Zin = 50 Ohm): SYNC/SAMPLE/START front panel input
1.25 MS/ch or 10 MS/ch Multi Event Buffer
Programmable event size and pre-post trigger
Divisible into 1 ÷ 1024 buffers
- External (signal on TRG_IN)
- Software (by VMEbus or Optical Link)
- Self trigger (internal threshold self-trigger)
|Trigger Time Stamp||31-bit counter - 16 ns resolution - 17 s range|
|Multi Modules Synchronization||
Clock propagation: by Daisy chain or Fan Out
Trigger propagation: by Daisy chain or Fan Out
Time stamp synchronization
|ADC and Memory controller FPGA||One Altera Cyclone EP1C4 or EP1C20 per channel|
12 bit/100 MHz DAC FPGA controlled output with four operating modes:
- Test Waveform: 1 Vpp test ramp generator
- Majority: MON/Σ output signal is proportional to the number of channels (enabled) under/over threshold
(1 step = 125 mV)
- Buffer Occupancy: MON/Σ output signal is proportional to the Multi Event Buffer Occupancy
- Voltage level: MON/Σ output signal is a programmable voltage level
16 general purpose LVDS I/Os controlled by FPGA
Busy, Data Ready, Memory full, Individual Trig-Out and other functions can be programmed
An Input Pattern from the LVDS I/Os can be associated to each trigger as an event marker
Data modes: D32, BLT32, MBLT64, CBLT32/64, 2eVME, 2eSST, Multi Cast Cycles
Transfer rate: 60 MB/s (MBLT64), 100 MB/s (2eVME), 160 MB/s (2eSST)
Sequential and random access to the data of the Multi Event Buffer
The Chained readout allows to read one event from all the boards in a VME crate with a BLT access
CAEN proprietary protocol, up to 80 MB/s transfer rate
Daisy chainable: it is possible to connect up to 8/32 ADC modules to a single Optical Link Controller
|Upgrade||Firmware can be upgraded via VMEbus or Optical Link|
General purpose C and LabView Libraries
Demo and Software Tools for Windows and Linux
|Firmware CONET2 Compliant|
|x720 Standard FW CONET 2 Compliant||4.5_0.13||Mar, 2015|
|Release Notes 5.64 KB - Type: .txt|
|FW Package 1.42 MB - Type: .cfa|
|Digitizer Software||CAENScope||Digitizer Software for Signal Inspection and Waveform Recording (New Version)|
|DPP Firmware/Software Tools (Digitizer)||DPP-CI||Digital Pulse Processing for the Charge Integration|
|Digitizer Software||CAEN WaveDump||CAEN Digitizer readout application|
|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|
|DPP Firmware/Software Tools (Digitizer)||DPP-PSD||Digital Pulse Processing for the Pulse Shape Discrimination|
|Digitizer Software||CAEN SyncTest||Software Demo for CAEN Digitizers Synchronization|
|WV1720XAAAAA||V1720 - 8 Ch. 12 bit 250 MS/s Digitizer: 1.25MS/ch, C4, SE|
|WV1720BXAAAA||V1720B - 8 Ch. 12 bit 250 MS/s Digitizer: 10MS/ch, C4, SE|
|WV1720CXAAAA||DISCONTINUED | V1720C - 8 Ch. 12 bit 250 MS/s Digitizer: 1.25MS/ch, C4, DIFF|
|WV1720DXAAAA||DISCONTINUED | V1720D - 8 Ch. 12 bit 250 MS/s Digitizer: 10MS/ch, C4, DIFF|
|WV1720EXAAAA||V1720E - 8 Ch. 12 bit 250 MS/s Digitizer: 1.25MS/ch, C20, SE|
|WV1720FXAAAA||DISCONTINUED | V1720F - 8 Ch. 12 bit 250 MS/s Digitizer: 1.25MS/ch, C20, DIFF|
|WV1720GXAAAA||V1720G - 8 Ch. 12 bit 250 MS/s Digitizer: 10MS/ch, C20, SE|
|A2818||PCI CONET Controller|
|VME8010||7U 21 Slot VME64 Low Cost Crate|
|VME8002||5U 9 Slot VME64 Mini Crate|
|VME8100||8U 21 Slot VME64/64X Enhanced Crate Series|
|VME8011||7U 21 Slot VME64 Low Cost Crate|
|A3818||PCI Express CONET2 Controller|
|VME8001||1U 2 Slot VME64 Mini Crate|
|CAENScope||Digitizer Software for Signal Inspection and Waveform Recording (New Version)|
|DPP-CI||Digital Pulse Processing for the Charge Integration|
|CAEN WaveDump||CAEN Digitizer readout application|
|CAENDigitizer Library||Library of functions for CAEN Digitizers high level management|
|VME8200||9U 21Slot VME64X Enhanced Crate series|
|CAENUpgrader||Firmware Upgrade Tool for Front-end Boards Bridges & VME Power Supply|
|DPP-PSD||Digital Pulse Processing for the Pulse Shape Discrimination|
|VME8004B||2U 4 Slot VME64 Mini Crate|
|NV8020A||7U CRATE VME/NIM 8 slot VME64 365W, 5 slot NIM 150W|
|CAEN SyncTest||Software Demo for CAEN Digitizers Synchronization|
|A2818||PCI CONET Controller|
|A654||Single Channel MCX to LEMO Cable Adapter|
|A3818||PCI Express CONET2 Controller|
|A659||Single Channel MCX to BNC Cable Adapter|
|AI2700||Optical Fiber Series|
|A317||Clock Distribution Cable|
|A318||SE to Differential Clock Cable Adapter|
|V1720 & VX1720 User Manual||25 July, 2014|
|V1720 & VX1720 User Manual Release Notes||25 July, 2014|
|V1720 & VX1720 Registers Description||25 July, 2014|
|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|
|In this application note, we describe the capability of the Digitizer series x720 (12 bit, 250MS/s) to perform neutron-gamma discrimination based upon the digital pulse shape analysis. The digitizer runs the preliminary version of the DPP-PSD firmware for the digital charge integration and neutron-gamma discrimination. AN2506 - Digital Gamma Neutron discrimination with Liquid Scintillators||19 November, 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|
|This Application Note shows how to synchronize two or more homogeneous CAEN digitizers in a multi-board acquisition system. This document briefly shows three example of hardware configuration and their relative features. The technical procedures including software implementation and hardware connection is described more extensively in the Application Note AN2086 AN2862 - Synchronization of CAEN Digitizers in Multiple Board Acquisition Systems: Concise Review||9 May, 2013|
|This Application Note shows how to synchronize two or more homogeneous CAEN digitizers in a multi-board acquisition system. We describe the steps needed to synchronize a simple system, composed by two V1720 in three different hardware set-up which can be easily generalized to more complex cases. AN2086 - Synchronization of CAEN Digitizers in Multiple Board Acquisition Systems||9 May, 2013|
|In this application note, Pulse Shape Discrimination between neutrons and gamma rays in liquid scintillators is studied by using DPP-PSD firmware running on CAEN digitizers. The dependence of the Figure of Merit on the digitizer sampling rate and resolution is experimentally determined. Based on "Pulse shape discrimination with fast digitizers", L. Stevanato et al, NIMA 748 (2014) 33-38, DOI: 10.1016/j.nima.2014.02.032 AN3250 - Pulse Shape Discrimination with different CAEN digitizers running DPP-PSD firmware||13 July 2014|
|Slide Presentations||Last Update|
|SP5148 - Digital systems for Multi-Parametric analysis in Physics Applications (India - March 2016)||March, 2016|
|This QuickStart Guide contains the basic information and commands that will let you use CAENScope (CAEN Digitizer Oscilloscope Tool) in few steps. GD2484 - CAENScope QuickStart Guide||30 September, 2011|
|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||18 May, 2014|
|This QuickStart Guide contains the basic information and commands that will let you use WaveDump in few steps. WaveDump is a C based console application that can control any model of CAEN digitizer and it must be considered as a starting point in order to create an own acquisition software: it is an example of the use of the CAENDigitizer library. GD2483 - WaveDump QuickStart Guide||07 June, 2012|
|This guide wants to provide detailed instructions on how to make coincidences with CAEN digitizers series 720, 750 and 724 equipped with Digital Pulse Processing (DPP) firmware. GD2827 - How to make coincidences with CAEN digitizers||23 September, 2013|
|2016-2017 Catalog Modular Pulse Processing Electronics / Waveform Digitizers CAEN Digitizers are platform independent instruments housing high speed (up to 5 GS/s) multichannel flash ADC, with local memory and FPGA for Digital Pulse Processing. Available in VME, NIM, Desktop. Up tp 14-bit resolution, 1 to 64 channels, programmable PLL, VME64X, Optical Link and USB 2.0 interfaces, Software Tools for Windows and Linux, Memory buffer: up to 57MS/ch (max. 1024 events), Firmware and Software for Digital Pulse Processing (DPP) and Waveform Recording 2016-2017 Product Catalog Section 03a - Modular Pulse Processing Electronics / Waveform Digitizers||March 2016|
|Brochures, Flyers||Last Update|
|This brochure describes the CAEN Digitizer Family: instruments housing high speed (up to 5 GS/s) multichannel flash ADC, with local memory and FPGA for Digital Pulse Processing. VME, NIM, and Desktop form factors. Up tp 14 bit resolution, from 1 to 64 channels, programmable PLL. VME64X, Optical Link and USB 2.0 interfaces. Software Tools for Windows and Linux.(ADOCUME00084) BF2585 - Digitizer & DPP Family Flyer||March, 2016|
|Scientific Articles||Last Update|
|The energy resolution of a LaBr(Ce) detector has been studied as a function of the count rate up to 340 kHz by using a 12bit 250 MS/s V1720 digitizer. The time resolution achieved by processing off line the digitized signals has been also determined. The results are compared with the ones obtained by using standard NIM electronics. Presented at IX Latin American Symposium on Nuclear Physics and Applications (IX LASNPA), EPN-Quito, Ecuador 18-22 July 2011. AR2611 - High Rate Read-Out Of LaBr(Ce) Scintillator With The CAEN V1720 FADC.||19 July, 2011|
|The detection of special nuclear material has been studied with the SMANDRA mobile inspection system used both as a high sensitivity passive neutron/gamma spectroscopic tool and as an active inspection device using tagged neutrons. Presented at IX Latin American Symposium on Nuclear Physics and Applications (IX LASNPA), EPN-Quito, Ecuador 18-22 July 2011. AR2610 - Special Nuclear Material Detection Studies With The SMANDRA Mobile System.||21 July, 2011|
|The detection of special nuclear material has been studied with a mobile inspection system used both as a high sensitivity passive neutron/gamma spectroscopic tool and as an active inspection device using tagged neutrons. The detection of plutonium samples seems to be possible with passive interrogation, even for small samples. The passive detection of uranium is much more difficult because of the low neutron yield and of the easiness of shielding the gamma ray. However, we show that active interrogation with tagged neutrons is able to provide signatures for the discrimination of uranium against other heavy metals. AR2613 - Special nuclear material detection with a mobile multi-detector system||September, 2011|
|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-CI - Digital QDC), Pulse Shape Discrimination (DPP-PSD - Neutron/gamma Discrimination), Time measurements. WP2081 - Digital Pulse Processing in Nuclear Physics||26 August, 2011|
|Data Sheet||Last Update|
|The 720 is a family of 12-bit, 250 MS/s Flash ADC Waveform Digitizers. It is available in three form factors: VME (8 input channels), NIM (4 or 2 input channels) and Desktop (4 or 2 input channels). x720 digitizers can run two Digital Pulse Processing firmware for Physics Applications: DPP-CI. DPP-PSD. DS3154 - 720 Digitizer Family (8/4/2 Channel 12-bit 250 MS/s Digitizer) Data Sheet||20 May, 2016|
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