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SIB1256 Sensor Interface Board for SensL SPMArray4 Dec 15, 2010

The SIB1256 sensor interface board allows up to four SensL SPMArray4 silicon photomultiplier arrays (SiPM) to easily interface to a Vertilon PhotoniQ multichannel data acquisition system.

The SIB1256 allows up to four SensL SPMArray4 SiPM devices to interface to a Vertilon PhotoniQ multichannel data acquisition system. The devices are inserted into the board where their anode signals are routed to cable assemblies that connect the 64 device outputs to the PhotoniQ. Bias to SiPM arrays is provided by four on-board adjustable high voltage bias supplies that include a voltage trimming function for gain matching between the arrays. A special current-sense output from each bias supply is summed together to represent the total AC charge signal measured by all four SiPM arrays. This signal is fed into a user-programmable leading edge discriminator that generates a trigger signal when an event exceeding a preset energy threshold is detected on any of the SPMArray4 devices.

 

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