User Guide
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Vertilon Corporation, 66 Tadmuck Road, Westford, MA 01886
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Tel: (978) 692-7070
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Fax: (978) 692-7010
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www.vertilon.com
Product Overview
The SIB332B APD array interface board provides the mechanical and electrical connectivity between the Hamamatsu
S8550 4 x 8 element APD array and external signal processing electronics such as Vertilon’s PhotoniQ multichannel data
acquisition systems. The S8550 is mounted to the bottom side of the SIB332B through 34 socket pins that connect the
APD array’s 32 anode signals and two common cathodes to the board. The anode signals are routed to a connector
located on the top of the board that connects to a specialized high density coaxial cable assembly. This arrangement
allows the SIB332B to be conveniently mounted directly into the user’s optical setup with the APD array facing outward
from the bottom of the PCB and the sensor interface board (SIB) cable exiting from the top. The SIB cable carries the 32
anodes from the S8550 to the PhotoniQ where the charge from each is separately integrated, digitized, and sent to a PC
for display or further signal processing. The positive high voltage bias to the APD array is supplied from an external
power supply on a high voltage cable to a dedicated connector on the SIB332B.
The various functions on the SIB332B are described in greater detail on the following pages. When necessary, refer to
the functional block diagram shown in Figure 1 below.
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Mounting board for Hamamatsu S8550 4 x 8 channel APD Array
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Provides 32 channel interface to Vertilon PhotoniQ DAQ systems
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Separate high voltage input for APD array bias
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DC Coupled inputs to PhotoniQ DAQ
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No on-board discriminators. Use SIB332 if needed
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100% compatible with Vertilon’s PhotoniQ multichannel DAQs
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No external power supply required
Summary of Contents for SIB332B
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