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| Metal Package PMT with Internal Charge Amp+ADC Type Photosensor Modules H7468 Series The H7468 series are photosensor modules assembled with a photomultiplier tube, an AD converter circuit and a microcontroller. These photosensor modules operate from a single +5 V supply and convert the photomultiplier tube analog signals into 12-bit digital data which can be sent to a PC (personal computer) through the RS-232C interface. The photomultiplier tube supply voltage and measurement start/stop can also be controlled from the PC. Product Variations Type No. H7468 H7468-01 H7468-03 H7468-20 Spectral Response 300 nm to 650 nm 300 nm to 850 nm 185 nm to 650 nm 300 nm to 900 nm Features For visible range For visible to near IR range For UV to visible range High sensitivity in near IR range Specifications Parameter Suffix Input Voltage (Vcc) Max. Input Voltage Max. Input Current Effective Area Digital Output: Maximum Output Current Digital Output: Maximum Sink Current Voltage between Digital Input and GND Peak Sensitivity Wavelength Min. Luminous Sensitivity Typ. Cathode Blue Sensitivity Index (CS 5-58) Sensitivity Red/White Ratio Radiant Sensitivity *1 2 Gain * Typ. Typ. 2, *3 Anode Dark Current * Max. Integration Capacitance AD Converter Resolution Integration Time Dead Time Sampling Continuous Reading Time Fixed Set Reading Measurement Count (fixed set reading) PMT Supply Voltage Digital High-Level Input Voltage Min. Digital Low-Level Input Voltage Max. Digital High-Level Output Voltage Min. Digital Low-Level Output Voltage Max. RS-232C Interface Setting Operating Ambient Temperature Storage Temperature Weight *1: Measured at the peak sensitivity wavelength *3: After 30 minute storage in darkness H7468 None -01 -03 -20 +4.75 to +5.25 +6 35 8 25 25 -0.3 to Vcc +0.3 420 400 420 630 40 80 40 350 70 150 70 500 8.0 -- 8.0 -- -- 0.2 -- 0.45 62 60 62 78 7.0 x 105 5.0 x 105 7.0 x 105 5.0 x 105 0.2 0.4 0.2 2 2 4 2 20 1000 12 0.04 to 500 (0.01 step) 0.01 to 500 (0.01 step) 4 to 1000 0.05 to 1000 1 to 127 0 to 1000 4 1 Vcc -0.7 0.6 RS-232C, 9600 baud, Parity none, 8 data bits, 1 stop bit +5 to +50 -20 to +50 105 *2: PMT supply voltage: 800 V Unit -- V V mA mm mA mA V nm A/lm -- -- mA/W -- nA pF bit ms ms ms ms -- V V V V V -- C C g 36 Photosensor Module with CPU/IF Characteristics (Cathode radiant sensitivity, PMT gain) TPHOB0053EA TPHOB0054EA 100 107 CATHODE RADIANT SENSITIVITY (mA/W) 106 R7468/-03 10 105 PMT GAIN H7468 H7468-03 1 H7468-01 104 103 R7468-01/-20 H7468-20 102 0.1 100 101 200 300 400 500 600 700 800 900 1000 100 200 400 600 800 1000 WAVELENGTH (nm) PMT SUPPLY VOLTAGE (V) Connection Diagram SUPPLY VOLTAGE GND +5 V H7468 BLACK POWER CABLE WHITE : User Line (TTL Output) BLUE : External Trigger (TTL Input) GREEN: NC RS-232C CROSS CABLE SERIAL PORT TPHOC0051EA RED PC Block Diagram INTEGRATION TIME SETTING PMT K P 1000 pF - + CHARGE AMP 12 BIT ADC ADC DATA Vcc (+5 V) GND MULTISTAGE VOLTAGE RECTIFIER CIRCUIT OSCILLATOR CIRCUIT ADC CONTROL DAC CONTROL DAC DATA MICRO CONTROLLER Rx RS-232C Tx INTERFACE GND External Trigger (TTL Input) User Line (TTL Output) TPHOC0046EB 12 BIT DAC HIGH VOLTAGE FEEDBACK STABILIZING CIRCUIT VOLTAGE CONTROL Dimensional Outlines (Unit: mm) 60.0 0.5 35.0 0.5 4-M2 DEPTH: 4 14.0 0.2 50.0 0.5 40.0 0.2 14.0 0.2 9.4 0.5 35.0 0.2 POWER INPUT CONNECTOR HIROSE HR10A-7R-6P 1: GND 2: Vcc +5 V 3: User Line (TTL Output) 4: External Trigger (TTL Input) 5: NC 6: NC 13 WINDOW Option (Optical Fiber Adapter) (Unit: mm) E5776 (FC Type) 22.0 0.5 14.0 0.2 8.5 3.5 0.2 25 11 4-M3 DEPTH: 4 RS-232C 9PIN D-sub SIDE VIEW 450 20 BLACK : GND RED : Vcc (+5 V) WHITE : User Line (TTL Output) BLUE : External Trigger (TTL Input) GREEN : NC SHIELD: GND REAR VIEW EFFECTIVE AREA ( 8 MIN.) FRONT VIEW POWER CABLE (SUPPLIED) 35 PHOTOCATHODE 4-M2 FC-R FRONT VIEW SIDE VIEW TACCA0055EA E5776-51 (SMA Type) 22.0 0.5 14.0 0.2 10.7 5.0 6-PIN PLUG HIROSE HR10A-7P-6S RS-232C CROSS CABLE (SUPPLIED) 1500 4-M2 TPHOA0029EB SMA 3.0 FRONT VIEW SIDE VIEW TACCA0239EA 37 |
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