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i-Spector Digital

Intelligent Silicon Photomultiplier Tube with Digital MCA

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Features

  • All-in-one detector, electronics and MCA for Gamma Spectroscopy
  • Web-based interface with spectrum analysis tools
  • Based on a SiPM area up to nearly 1.5 inch2
  • 20-80 V Integrated High Voltage for SiPM biasing
  • OEM electronics or detector assembly
  • Compact form factor:
    • Ø 60 mm, h 90 mm (OEM)
    • Ø 60 mm, h 135 mm (ASSEMBLY)
  • Assembly with CsI scintillator:
    • 24x24x30 mm3 (approx. 1x1x1.2 inch3)
    • 30x30x30 mm3 (approx. 1.2×1.2x 1.2 inch3)
  • Other assembly option available on request: NaI, BGO, LYSO, LaBr3 or any other compatible scintillator
  • Demountable mechanics to easily change crystal
  • Ethernet connectivity
  • C# and Python open-source libraries available
More info
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Overview

The i-Spector Digital is a fully-integrated Gamma Spectrometer. This compact unit is based on a SiPM area (18×18, 24×24 or 30×30 mm2) and hosts a preamplifier stage, an integrated power supply for SiPM biasing with temperature feedback loop, a shaper and a full-featured MCA based on 80 MSps, 12-bit ADC and digital charge integration algorithm. The i-Spector Digital can be controlled through Ethernet and it provides as output an analog amplified signal and a 4k channels energy spectrum calculated onboard.

i-Spector Digital is a solution dedicated to those users that need the versatility of a full compact single photodetection system for spectroscopy applications. Its profile makes it ideal for many portable applications where size, weight and power consumption are important constraints. The embedded MCA can be easily set up and operates with essentially no configuration.

The Web-based interface allows the user to configure and monitor the device, with the possibility to access the spectrum, process it online, perform energy calibration and peaks gaussian fitting. Multiple i-Spector tubes can be connected and controlled from a single PC. The API interface allows to control multiple devices using very simple http requests and JSON vectors.

Developed in collaboration with Nuclear Instrument Icon

Technical Specifications

General

Form Factor
Portable
Ø 60 mm, h 135 mm, >500 g (ASSEMBLY)

Working Temperature

-20 ÷ +50°C

Power consumption

3W max.

Supply Voltage

8-13V (12 V typ.)

SiPM

Area made of Hamamatsu S14160-60520HS 30×30 mm2 (nearly 1.5”)

High Voltage for SiPM biasing

Range: 20-80 V (10 mA)
HV Accuracy : 1 mV
Thermal Feedback Accuracy: 0.01 °C – 1mV

Preamp Gain

x5

Bandwidth

> 1GHz

Shaping Time

180 ns

Analog Output

– 4 ÷ +4 V , 170 mA on the OUT LEMO connector

Timing Resolution

50 ps @ rate <20 kpcs
5 ns @high rates

MCA
12-bit @ 80 MS/s ADC
Nr. of channels: 4096
Resolution @ 100 kpcs : < 0.2%
Processing Algorithm : Digital Charge Integration		 Performances:
with CsI(Tl) crystal (18x18x30 mm3)
Energy range : 30 keV to 30 MeV
Energy resolution @ 662 keV : < 6%
Non-linearity: < 0.1%
Communication Interface

10/100 Mb/s Ethernet

Software

Graphical web interface SDK based on JSON data and standard HTTP post

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Ordering Options

Code Description
WS2570EXOAAA S2570E i-Spector Digital 1” (24x24 mm) - OEM   RoHS
WS2570FXOAAA S2570F i-Spector Digital 1.5” (30x30 mm) - OEM   RoHS
WS2570EXAAAA S2570E i-Spector Digital 1” (24x24 mm) - CsI ASSEMBLY   RoHS
WS2570FXAAAA S2570F i-Spector Digital 1.5” (30x30 mm) - CslASSEMBLY   RoHS

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