8/4/2 Ch. 12-bit 250 MS/s Digitizer

Digitizers 1.0

720 Digitizer Family

The 720 is a family of CAEN Waveform Digitizer able to perform basic waveform recording and run online advanced algorithms (DPP) of charge integration and pulse shape discrimination. Data is read by a Flash ADC, 12-bit resolution and 250 MS/s sampling rate, which is well suited for mid-fast signals as the ones coming from liquid or inorganic scintillators coupled to PMTs or Silicon Photomultipliers. In the waveform recording mode, algorithms of zero suppression are also implemented to reduce the data throughput.

The acquisition can be channel independent and it is possible to make coincidence/anti-coincidence logic among different channels and external veto/gating. Multiple boards can be synchronized to build up complex systems. In case of DPP mode, data can be saved in time-stamped list mode to support higher input rates and improving the throughput performances. Piled-up events can be rejected or saved for offline analysis. The acquisition in DPP mode is fully controlled by the CoMPASS software, which manages the algorithm parameters, builds plots and saves the relevant energy, time, and PSD spectra.

In case of waveform recording mode, the user can take advantage of the CAENScope and WaveDump software to access and save the waveforms. Libraries and demo software in C and LabView are available for integration and customization of specific acquisition systems.

720 family comes in three form factors: VME (8 input channels), NIM (4 or 2 input channels) and Desktop (4 or 2 input channels).

The desktop form factor is also included in the Educational Kit for the readout of the SiPMs. The communication to and from the board is provided through the following interfaces: USB (Desktop and NIM form factors), VMEbus (VME form factor), and Optical Link (all form factors).

Features

  • 12-bit @ 250 MS/s
  • Analog inputs on MCX coax. connectors
  • VME64/VME64X (8 ch.), NIM (4 or 2 ch.) and Desktop (4 or 2 ch.) modules
  • 2 Vpp input dynamic range with programmable DC offset adjustment
  • Algorithms for Digital Pulse Processing (DPP)
  • VME, USB and Optical Link communication interfaces
  • Multi-board synchronization features
  • Daisy chain capability
  • Demo software tools, Control Software for waveform recording and DPP firmware, C and LabVIEW libraries

8/4/2 Ch. 12-bit 250 MS/s Digitizer Models

DT5720

DT5720

  • 12 bit 250 MS/s ADC

  • FPGA for real time Digital Pulse Processing:

    • Pulse Shape Discrimination (DPP-PSD)

    • Zero Suppression (Waveform Recording Firmware)

  • 4/2 channels

  • MCX input (50 Ω, single ended)

  • 2 Vpp single ended input range

  • 16-bit programmable DC offset adjustment: ±1 V

  • Trigger Time stamps

  • Memory buffer: 1.25 MS/ch or 10 MS/ch

  • Programmable event size and pre-post trigger adjustment

  • Optical Link interface (CAEN proprietary protocol)

  • USB 2.0 interface

  • Firmware upgradeable via USB/Optical Link

  • Libraries, Demos (C and LabView) and Software tools for Windows and Linux

  • External AC-DC Power Supply Adapter (+12 V)

  • Dimensions: 154x50x164 mm3 (WxHxD)
N6720
Obsolete

N6720

  • 12 bit 250 MS/s ADC

  • FPGA for real time Digital Pulse Processing:

    • Pulse Shape Discrimination (DPP-PSD)

    • Zero Suppression (Waveform Recoding Firmware)

  • 4/2 channels

  • MCX input (50 Ω, single ended)

  • 2 Vpp single ended input range

  • 16-bit programmable DC offset adjustment: ±1 V

  • Trigger Time stamps

  • Memory buffer: 1.25 MS/ch or 10 MS/ch

  • Programmable event size and pre-post trigger adjustment

  • Optical Link interface (CAEN proprietary protocol)

  • USB 2.0 interface

  • Firmware upgradeable via USB/Optical Link

  • Libraries, Demos (C and LabView) and Software tools for Windows and Linux
V1720

V1720

  • 12 bit 250 MS/s ADC

  • FPGA for real time Digital Pulse Processing:

    • Pulse Shape Discrimination (DPP-PSD)

    • Zero Suppression (Waveform Recording Firmware)

  • 8 channels

  • 2 Vpp input range (single ended)

  • 16-bit programmable DC offset adjustment: ±1 V

  • Trigger Time stamps

  • Memory buffer: 1.25 or 10 MS/ch, up to 1024 events

  • Programmable event size and pre-post trigger adjustment

  • Analog Sum/Majority and digital over/under threshold flags for Global Trigger logic

  • Front panel clock In/Out available for multiboard synchronisation (direct feed through or PLL based synthesis)

  • 16 programmable LVDS I/Os

  • Optical Link interface (CAEN proprietary protocol)

  • VME64X compliant interface

  • Firmware upgradeable via VME/Optical Link

  • A2818 (PCI) / A3818 (PCIe) Controller available for handling up to 8/32 modules Daisy chained via Optical Link

  • Libraries, Demos (C and LabView) and Software tools for Windows and Linux
VX1720

VX1720

  • 12 bit 250 MS/s ADC

  • FPGA for real time Digital Pulse Processing:

    • Pulse Shape Discrimination (DPP-PSD)

    • Zero Suppression (Waveform Recording Firmware)

  • 8 channels

  • 2 Vpp input range (single ended)

  • 16-bit programmable DC offset adjustment: ±1 V

  • Trigger Time stamps

  • Memory buffer: 1.25 or 10 MS/ch, up to 1024 events

  • Programmable event size and pre-post trigger adjustment

  • Analog Sum/Majority and digital over/under threshold flags for Global Trigger logic

  • Front panel clock In/Out available for multiboard synchronisation (direct feed through or PLL based synthesis)

  • 16 programmable LVDS I/Os

  • VME64X compliant interface

  • Optical Link interface (CAEN proprietary protocol)

  • A2818 (PCI) / A3818 (PCIe) Controller available for handling up to 8/32 modules Daisy chained via Optical Link

  • Firmware upgradeable via VME/Optical Link

  • Libraries, Demos (C and LabView) and Software tools for Windows and Linux
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Interfaces & I/O

USB An USB 2.0 link is provided in NIM and Desktop form factors for an easy data readout VME Digitizer can be controlled via USB using the CAEN V3718 VME-USB2.0 Bridge

Optical Link An Optical link is provided in any form factor for high performance data readout through CAEN proprietary daisy-chainable CONET communication protocol. it is possible to connect up to 8/32 ADC modules to a single Optical Link Controller (Mod. a4818/A3818)

Digital I/O Digital I/Os are provided in VME boards that can be used for individual trigger propagation to external trigger logic. This feature makes VME form factor ideal to scale up the acquisition channels where a global trigger generation is mandatory.

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