PETsys TOFPET2 ASIC
Evaluation Kit

PETsys Time-of-Flight ASIC Evaluation Kit 

The PETsys TOF ASIC Evaluation Kit (Fig. 1) is a complete readout kit allowing to read 256 SiPM channels.

It provides an easy to use, and cost effective, way for exploring the unique, powerful and versatile features of the PETsys TOFPET2 ASIC (Fig. 2). It is also the perfect solution for anyone needing to read out a few hundred SiPM channels.


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New ContentThe Evaluation Kit comes with a FEB/D board with Ethernet link to the computer, and two FEM128 font end modules (Fig. 3). Each FEM128 has two ASICs reading 64 channels each. The FEM128 modules have connectors that directly accept the Hamamatsu S13361-3050Ax-08 8x8 MPPC array, or the KETEK PA3325-WB-0808 array. With a suitable adapter board, the FEM128 will equally well read analog SiPM arrays from other vendors.

Flexible cables connect the FEM128 boards to the FEB/D board, providing great flexibility in the experiment setting.

For an easy start we supply the evaluation kit with two KETEK SiPM pixels mounted on a board that plugs in the connector on the TOFPET2 ASIC test board, two LYSO crystals of 3x3x5 mm2, and a holder for placing a standard circular 22Na source in between. We also include a cooling box with two Peltier elements (Fig. 4). The box provides a stable temperature environment allowing reproducible measurements, and also protects the measurement setup from ambient light.

The Evaluation Kit is provided with firmware and software. The data acquisition software runs under Linux and comes with an easy to use graphical user interface, see figure 5. The software is written in Python and C++, and is also provided as source code, allowing the advanced user to customise it.


Figure 1
PETsys TOF ASIC E. Kit
The PETsys TOF ASIC Evaluation Kit consists of a FEB/D board (left) with Ethernet link to the computer, and a mechanical assembly (right) with two FEM128 font end modules, two KETEK SiPM pixels, two LYSO crystals and a holder for placing a 22Na source in between..
Figure 2
PETsys TOFPET2 ASIC
The 64-channel PETsys TOFPET2 ASIC is available as a BGA package.
Figure 3
FEM128 Module
The FEM128 module has two ASICs, and has connectors accepting a Hamamatsu S13361-3050Ax-08 MPPC 8x8 array, or a KETEK PA3325-WB-0808 array. With the E-Kit we standard ship two FEM128.


Figure 4
Cooling Box
A box with two Peltier cooling elements provides protection against ambient light and allows stable and reproducible temperature conditions.
Figure 5
Graphical User Interface
The data acquisition is controlled by an easy to use graphical user interface.


The kit is delivered with all the required firmware, application software, and documentation. Training on the use of the product electronics can also be provided.

 


Main Features

  • Two FEM128 modules (Fig. 3), and two cables for connecting this modules to the FEB/D board.
  • One FEB/D board supplying the data and sending the data to the DAQ computer using a Gigabit Ethernet link. The FEB/D also receives configuration and clock signals from the ASICs, and bias voltages to the SiPMs.
  • Two SiPM boards with connector with mounting circuits on boards that plug into the FEM128 modules. Like HPO modules, and a radioactive source (22Na holder).
  • A cooling box with two Peltier elements for controlling the temperature, allowing stable and reproducible temperature conditions (Fig. 4).
  • Firmware for the FEB/D board, allowing communication of the ASICs, and readout of the data using Gigabit Ethernet. The FEB/D board is equipped with Linux OS.
  • JTAG interface cable for programming the firmware in the Xilinx FPGA of the FEB/D board. This allows to upload firmware updates in the FEB/D.
  • Application software for receiving the data in a PC.
  • One day training on the use of the product electronics for one or two people.
  • Documentation.