Vertilon SIB064 User manual
User Guide
Vertilon Corporation, 66 Tadmuck Road, Westford, MA 01886 /Tel: (978) 692-7070 /Fax: (978) 692-7010 /www.vertilon.com
SIB064
64 Channel PMT Interface Board
Hamamatsu H8500D series
User Guide
Vertilon Corporation, 66 Tadmuck Road, Westford, MA 01886 /Tel: (978) 692-7070 /Fax: (978) 692-7010 /www.vertilon.com
Disclaimer
Vertilon Corporation has made every attempt to ensure that the information in this document is accurate and complete.
Vertilon assumes no liability for errors or for any incidental, consequential, indirect, or special damages including,
without limitation, loss of use, loss or alteration of data, delays, lost profits or savings, arising from the use of this
document or the product which it accompanies.
Vertilon reserves the right to change this product without prior notice. No responsibility is assumed by Vertilon for any
infringements of patents or other rights of third parties which may result from its use. No license is granted by implication
or otherwise under the patent and proprietary information rights of Vertilon Corporation.
Copyright Information
© 2008 Vertilon Corporation
ALL RIGHTS RESERVED
No form of this document may be reproduced or transmitted in any form or byany means, electronic or mechanical, for
an
y
purpose without prior, express written consent from Vertilon Corporation.
SIB064 PMT Interface Board H8500D Series
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Vertilon Corporation, 66 Tadmuck Road, Westford, MA 01886 /Tel: (978) 692-7070 /Fax: (978) 692-7010 /www.vertilon.com
User Guide
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Vertilon Corporation, 66 Tadmuck Road, Westford, MA 01886 /Tel: (978) 692-7070 /Fax: (978) 692-7010 /www.vertilon.com
Table of Contents
General Safety Precautions........................................................................................................................5
Product Overview.......................................................................................................................................6
Specifications..............................................................................................................................................8
High Voltage Interface..............................................................................................................................10
Photomultiplier Tube Anode Circuits.........................................................................................................11
Last Dynode Preamplifier .........................................................................................................................11
Leading Edge Discriminator......................................................................................................................11
Constant Fraction Discriminator................................................................................................................12
Zero Slope Discriminator..........................................................................................................................14
Top and Bottom Views..............................................................................................................................15
Component Locations and Functions .......................................................................................................16
SIB Connector Pinout...............................................................................................................................18
Mechanical Information.............................................................................................................................19
SIB064 PMT Interface Board H8500D Series
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Vertilon Corporation, 66 Tadmuck Road, Westford, MA 01886 /Tel: (978) 692-7070 /Fax: (978) 692-7010 /www.vertilon.com
List of Figures
Figure 1: Functional Block Diagram...........................................................................................................7
Figure 2: PMT High Voltage Interface Circuit ..........................................................................................10
Figure 3: Anode Circuit............................................................................................................................11
Figure 4: Leading Edge Discriminator Timing..........................................................................................12
Figure 5: Constant Fraction Discriminator Timing....................................................................................13
Figure 6: Zero Slope Discriminator Timing ..............................................................................................14
Figure 7: Top and Bottom Views..............................................................................................................15
Figure 8: Component Locations and Functions.......................................................................................16
Figure 9: FEM Printed Circuit Board Dimensions....................................................................................19
List of Tables
Table 1: Specifications...............................................................................................................................9
Table 2: Connectors................................................................................................................................17
Table 3: Jumpers, Switches, and Pots.....................................................................................................17
Table 4: Test Points.................................................................................................................................17
Table 5: Sensor Interface Board (SIB) Connectors..................................................................................18
User Guide
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Vertilon Corporation, 66 Tadmuck Road, Westford, MA 01886 /Tel: (978) 692-7070 /Fax: (978) 692-7010 /www.vertilon.com
General Safety Precautions
Use Proper Power Source
The SIB064 is powered with a +5V power source directly from Vertilon’s PhotoniQ multi-channel data acquisition
systems. Use with any other power source may result in damage to the product.
Operate Inputs within Specified Range
To avoid electric shock, fire hazard, or damage to the product, do not apply a voltage to any input outside of its specified
range.
Electrostatic Discharge Sensitive
Electrostatic discharges may result in damage to the SIB064. For these reasons, the SIB064 board is intended to be
operated in a user’s conductive instrument enclosure.
Do Not Operate in Wet or Damp Conditions
To avoid electric shock or damage to the product, do not operate in wet or damp conditions.
Do Not Operate in Explosive Atmosphere
To avoid injury or fire hazard, do not operate in an explosive atmosphere.
SIB064 PMT Interface Board H8500D Series
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Vertilon Corporation, 66 Tadmuck Road, Westford, MA 01886 /Tel: (978) 692-7070 /Fax: (978) 692-7010 /www.vertilon.com
Product Overview
The SIB064 multianode photomultiplier tube interface board provides the mechanical and electrical connectivity between
the Hamamatsu H8500D 64 anode PMT and external signal processing electronics such as Vertilon’s PhotoniQ
multichannel data acquisition systems. The H8500D is mounted to the bottom side of the SIB064 through 148 socket pins
that connect the PMT’s 64 anode signals, high voltage input, and last dynode output to the board. The anode signals are
routed to two connectors located on the top of the board that each connect to a specialized high density coaxial cable
assembly. This arrangement allows the SIB064 to be conveniently mounted directly into the user’s optical setup with the
PMT facing outward from the bottom of the board and the sensor interface board (SIB) cables exiting from the top. The
SIB cables carry the 64 anodes from the H8500D to the PhotoniQ where the charge from each is separately integrated,
digitized, and sent to a PC for display or further signal processing. The negative high voltage bias to the PMT’s cathode is
supplied directly from the PhotoniQ on a high voltage cable to a dedicated connector on the SIB064. For applications
utilizing the last dynode output of the H8500D, the SIB064 includes a two stage high speed preamplifier whose output is
available on an SMB connector. When critical timing and triggering are required, this output can be connected to a
separate high performance external discriminator. Alternatively, one of the three on-board discriminators can be used
when the timing requirements are not as stringent. The outputs from a leading edge, constant fraction, and zero slope
discriminator — which respectively generate trigger signals based on a threshold, percentage of pulse height, and pulse
peak — are each available on an SMB connector. Several user adjustments are included for optimizing system gain and
trigger thresholds for the discriminators.
The various functions on the SIB064 are described in greater detail on the following pages. When necessary, refer to the
functional block diagram shown in Figure 1 below.
•Mounting board for Hamamatsu H8500D 64 channel MAPMT
•Provides 64 channel interface to data acquisition systems
•Separate high voltage input for PMT cathode bias
•High speed preamplifier for last dynode output
•Leading edge, constant fraction, and zero slope discriminators
•Adjustable gain and discriminator thresholds
•100% compatible with Vertilon’s PhotoniQ multichannel DAQs
•No external power supply required
User Guide
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Vertilon Corporation, 66 Tadmuck Road, Westford, MA 01886 /Tel: (978) 692-7070 /Fax: (978) 692-7010 /www.vertilon.com
Figure 1: Functional Block Diagram
VERTILON SIB064
H8500D PMT
SENSOR INTERFACE BOARD
AMP1
Rp
GAIN
ADJ
FRACTION
Cin
INV
AMP2 DELAY INV
AMP3
FRACTION
ADJ
DELAY CFD
THRESHOLD
COMP >
DQ
CLR
LEADING EDGE
THRESHOLD
COMP
LEADING
EDGE
DISCR
PREAMP
OUT
dv
dt
ZERO SLOPE
THRESHOLD
COMP >
DQ
CLR
INV
AMP4
CFD
DISCR
ZERO
SLOPE
DISCR
HAMAMATSU H8500D
8 X 8 MULTIANODE
PHOTOMULTIPLIER TUBE
P1
P2
P3
P31
P35
P63
P64
P34
P33
P32
P1
P2
P3
P31
P32
J1
SIB CONNECTOR
P35
P63
P64
P34
P33
ANODES
VB
DY12
DY11
DY10
DY9
DY8
DY7
DY6
DY5
DY4
DY3
DY2
DY1
J2
SIB CONNECTOR
K
HIGH VOLTAGE NETWORK
-HV
-HV
INPUT
HIGH
VOLTAGE
MONITOR
HVMON
J4
J5
J6
J7
J3
Rin
R
R
SIB064 PMT Interface Board H8500D Series
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Vertilon Corporation, 66 Tadmuck Road, Westford, MA 01886 /Tel: (978) 692-7070 /Fax: (978) 692-7010 /www.vertilon.com
Specifications
(Vsupply = +5.0V, TA= +25C, unless otherwise noted)
Description Sym Min Typ Max Units Notes
HIGH VOLTAGE
High Voltage Input Load Resistance 50 MΩMeasured at high voltage input connector, J3
HVMON to High Voltage Input Ratio 0.0015 ±20%
ANODE CIRCUITS
Quantity P1 - P64 64
Input Resistance R 2.2 MΩ
Input Bias Voltage VB +0.250 V Detector bias voltage supplied from PhotoniQ data
acquisition system
LAST DYNODE PREAMPLIFIER
Input Coupling Capacitance Cin 0.1 uF
Input Resistance Rin 50 Ω
Input Parallel Resistance Rp500 Ω
Amplifier #1 Gain A1 12.6 dB
Amplifier #2 Inverting Gain A2 6 dB Vin is a triangular pulse (18 nsec rise time, 30 nsec fall time)
applied to last dynode preamplifier input (DY12).
Amplifier #2 Output Impedance 50 ΩMeasured at preamplifier output, J4
LEADING EDGE DISCRIMINATOR
Threshold Adjustment Vth1 -25 0 mV Referenced to baseline level at comparator input
Threshold to Output Delay (Vin=30mV) td1 5 nsec
Time Walk (Vin: 3mV to 30mV) -13 nsec
Time Walk (Vin: 30mV to 150mV) -3.0 nsec
Jitter (Vin: 10mV) 500 psec
Output on connector, J5.
Vin is a triangular pulse (18 nsec rise time, 30 nsec fall time)
applied to last dynode preamplifier input (DY12). Threshold
(Vth1) set to 15mV below the baseline.
CONSTANT FRACTION DISCRIMINATOR
Delay D 5 nsec Standard delay element, other delays available.
Delay to Fraction Ratio 0.12 0.50 7 steps of 2 dB each
Steps: 0.12, 0.16, 0.20, 0.25, 0.31, 0.40, 0.50
Amplifier #3 Inverting Gain A3 +8.6 dB
Threshold Adjustment Vth2 0 +25 mV Referenced to baseline level at comparator input
Threshold to Output Delay (Vin=30mV) td2 6 nsec
Time Walk (Vin: 10mV to 100mV) -0.8 nsec
Jitter (Vin: 50mV) 500 psec
Output on connector, J6.
Vin is a triangular pulse (18 nsec rise time, 30 nsec fall time)
applied to last dynode preamplifier input (DY12). Threshold
(Vth2) set to 15mV above the baseline. Fraction set to 0.50.
Table of contents
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