Objective

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Objective July 2001 HAMAMATSU H8353 series 32-channel fast photo sensor module This complete photosensor module accommodates a high sensitive photo sensor with 32 independent linear multi channels and signal processing behind. The photo sensor system can measure 32 signals independently and simultaneously at high speed. Signal processing system consists of high performance charge amplifiers, A/D converters and 2 type of Interface. Senso32ch Photo r Module with USB interface (computer is not included) Features Ο Complete compact package to measure 32 signals simultaneously, using the fast photo sensor Ο 2 type of Interface available, USB (Universal Serial Bus) and SPI (Serial Peripheral Interface). Ο Using high performance change amplifiers, achieve 200 µ second sampling for USB Interface type and 300 µ second sampling for SPI Interface type Ο Capable to transfer 12 bit serial digital signal Ο Data acquisition by a trigger signal from outside Applications Ο Position sensing of low light object Ο Fast spectrum analysis with a spectrometer Fig.1 Block Diagram Option Ο Mixing Fiber and Lens Ο Interference filters Photo Sensor Charge Amp. MPX 12bit ADC –HVPS Timing Circuit CPU I/F Personal Computer Ext. Trigger DAC AC Adaptor AC 80 to 240 V Explanation of Part Number & Suffix Number Part No. H8353-01 H8353-02 H8353-01F H8353-02F Type Bialkali Multialkali Bialkali Multialkali Filter Yes Yes Interface USB USB USB USB Part No. H8353-01S H8353-02S H8353-01FS H8353-02FS Type Bialkali Multialkali Bialkali Multialkali Filter Yes Yes Interface SPI SPI SPI SPI Specifications PMT Parameter Photocathode Material Window Material Spectral Response Peak Wavelength Number of channels Gain Adjustment Photosensitive Area Channel Pitch -01 Bialkali UV glass 300 to 650 -02 Multialkali UV glass 300 to 850 Unit nm nm V mm mm 420 16 100 to 900 (10V step) 0.8×7.0 1 Signal Processing Parameter Interface Sampling Time A/D conversion (Serial) A/DC Input Range Delay Time Adjustment Trigger mode External Trigger Input USB type USB 200 X 10-6 to 0.1 SPI type SPI 300 X 10-6 to 0.1 Unit s V s - 12 bit 0 to 4 10 X 10-6 to 0.1 Internal / External +5 V TTL General Rating Parameter Input Voltage (AC) Power Consumption Operating Temperature Storage Temperature Humidity Dimension Weight USB Cable Length Specifications 80 to 240 15 0 to +40 -20 to +60 Below 70 (non condensation) 77(W) x 56(H) x 194(D) 1 1.0 V VA °C °C % mm Kg m Note 1: A rush current generates when the power is turned on. Use a power supply with a rated capacity of about 1A to ensure stable operation. Conversion Factor 100pF Ip Vp ADC USB Vp = Ip • Ts / (1.0X10-10) Ip (µ A) = 1.0x10-10 • Dn / Ts Ts : Sampling Time Dn : Digital value in decimal ( 0 to 4095 ) USB Cable Connection & Timing Diagram USB PMTmodule (USB model) Personal Computer External Trigger Start Command or External Trigger Td Ch 1 to Ch 32 Charge 200 µs to 0.1 s 70µs Hold Charge Hold Charge USB Command Data Data SPI Cable Connection & Timing Diagram PMTmodule (SPI model) RDY SCLK Tx(SO) Host System Rx(SI) External Trigger Internal Trigger RDY SCLK 300µs to 0.1 s 70µs Ch 1 to Ch 32 Charge Hold Charge Hold Charge Rx Tx * External Trigger RDY SCLK External Trigger Td Ch 1 to Ch 32 Charge 300µs to 0.1 s 70µs Hold Charge Hold Charge Rx Tx * * Stop Command can be received during this period Dimensional Outline ( Unit : mm ) Filter Characteristic Based on the PMT spectral response, user may select any wavelength below on each channel. 400nm to 700nm (10nm step), 720nm to 800nm (20nm step) example of filter transmittance Information in this technical information is believed to be accurate and reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are subject to change without notice.

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