photon counting unit C9744 information furnished by hamamatsu is believed to be reliable. however, no responsibility is assumed for possible inaccuracies or omissions. specifications are subject to change without notice. no patent rights are granted to any of the circuits described herein. ?006 hamamatsu photoni cs k.k. subject to local technical requirements and regulations, availability of products included in this promotional material may var y. please consult with our sales office. specifications photon counting unit is designed to convert single photoelectron pulses from a photomultiplier tube into 5 v digital signals by use of the built-in amplifier and discriminator circuits. photon counting with a high s/n ratio can be performed by simply connecting a counter to the output of the photon counting unit. the C9744 uses a high-speed electronic circuit that allows measurement with an excellent output linearity up to 10 7 s -1 . the C9744 also has a prescaler (division by 10) eliminating the need for a high-speed counter. taccf0195 input impedance discrimination level (input conversion) required pmt gain prescaler count linearity pulse-pair resolution output pulse output pulse width supply voltage connector dimensions (w h d) operating ambient temperature a storage temperature a weight 1 10 1 10 1 10 input output power ? mv s -1 ns ns mm c c g 50 -0.4 to -16 3 10 6 4 10 6 1 10 7 25 10 cmos 5 v, positive logic 10 depends on count rate +5.0 v 0.2 v, 130 ma / -5.0 v 0.2 v, 50 ma bnc-r bnc-r din (6-pin) b 90 32 140 0 to +50 -15 to +60 approx. 250 1 10 C9744 parameter unit note: a no condensation b supplied with a cable (1.5 m) attached to the mating plug. tphoc0056ea figure 1: block diagram signal input pulse amplifier comparator pulse stretcher 1, 10 select prescaler +5 v gnd power input -5 v prescaler multiplexer signal output (cmos: +5 v) pulse shaper (? (+) monitor (discriminator level) vr: discriminator vr sw
tpho1023e02 nov. 2006 ip photon counting unit C9744 hamamatsu photonics k.k., electron tube division 314-5, shimokanzo, iwata city, shizuoka pref., 438-0193, japan, telephone: (81)539/62-5248, fax: (81)539/62-2205 u.s.a.: hamamatsu corporation: 360 foothill road, p. o. box 6910, bridgewater. n.j. 08807-0910, u.s.a., telephone: (1)908-231-0960, fa x: (1)908-231-1218 e-mail: usa@hamamatsu.com germany: hamamatsu photonics deutschland gmbh: arzbergerstr. 10, d-82211 herrsching am ammersee, germany, telephone: (49)8152-375-0, f ax: (49)8152-2658 e-mail: info@hamamatsu.de france: hamamatsu photonics france s.a.r.l.: 19, rue du saule trapu, parc du moulin de massy, 91882 massy cedex, france, telephone: (3 3)1 69 53 71 00, fax: (33)1 69 53 71 10 e-mail: infos@hamamatsu.fr united kingdom: hamamatsu photonics uk limited: 2 howard court, 10 tewin road welwyn garden city hertfordshire al7 1bw, united kingdom, teleph one: 44-(0)1707-294888, fax: 44(0)1707-325777 e-mail: info@hamamatsu.co.uk north europe: hamamatsu photonics norden ab: smidesv?gen 12, se-171-41 solna, sweden, telephone: (46)8-509-031-00, fax: (46)8-509-031-01 e -mail: info@hamamatsu.se italy: hamamatsu photonics italia: s.r.l.: strada della moia, 1/e, 20020 arese, (milano), italy, telephone: (39)02-935 81 733, fax: (39)02-935 81 741 e-mail: info@hamamatsu.it web site www.hamamatsu.com tphoc0055ea tphoc0057ea tphoa0031ea photon counting unit C9744 input discri monitor (? (+) prescaler 1 10 out put power 140 +1.0 -0 din type (6 pin) 90 32 +1.0 -0 figure 2: combination examples figure 3: dimensional outline (unit: mm) pmt C9744 m8784 m9003 pci bus ibm-pc/at ? compatible pc (os: windows ? 2000/xp pro) photon counting unit counting board 5 v +/-hv high/low voltage power supply c9525 d-type socket assembly current output pmt module selected for photon counting C9744 c8855 photon counting unit counting unit 5 v c7169 usb ibm-pc/at ? compatible pc (os: windows ? 2000/xp pro) power supply for pmt module
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