VT33N3 PERKINELMER [PerkinElmer Optoelectronics], VT33N3 Datasheet

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Lighting Photoconductive Cells and Photoconductive Cells and Analog Optoisolators (V Analog Optoisolators (V Optoelectronics Imaging Telecom Detectors and Sensors Sensors actrols®) actrols®) Specialty Lighting Digital Imaging . Telecom Sensors ...

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Optoswitches, optical hybrids, custom assemblies, photodiodes, phototransistors, IR emitters, and photoconductive cells for industrial, commercial, and consumer electron- ics applications. PerkinElmer Optoelectronics has the distinction of being one of the foremost manufacturers in optoelectronics. Founded in 1947, PerkinElmer offers its ...

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Table of Contents Photoconductive Cells . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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Table of Contents (Continued) Analog Optical Isolators VACTROLS® ...

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Custom and Semi-Custom Devices Upon request, and where sufficient quantities are involved, PerkinElmer Optoelectronics will test standard parts to your unique set of specifications. The advantage of testing parts under actual operating conditions is predictable performance in the application. PerkinElmer ...

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Photoconductive Cells 1 ...

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What is a Photoconductive Cell? Semiconductor light detectors can be divided into two major categories: junction and bulk effect devices. Junction devices, when operated in the photoconductive mode, utilize the reverse characteristic junction. Under reverse bias, the ...

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Photoconductive Cell Typical Applications Why Use Photocells? Photocells can provide a very economic and technically superior solution for many applications where the presence or absence of light is sensed (digital operation) or where the intensity of light needs to be ...

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Photoconductive Cell Typical Application Circuits Ambient Light Measurement Camera Exposure Meter (VT900) Brightness Control (VT900) DC Relay Rear View Mirror Control (VT200) Head Light Dimmer (VT300 or VT800) AC Relay Night Light Control (VT800 or VT900) Street Light Control (VT400) ...

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Selecting a Photocell Specifying the best photoconductive cell for your application requires an understanding of its principles of operation. This section reviews some fundamentals of photocell technology to help you get the best blend of parameters for your application. When ...

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Selecting a Photocell Slope Characteristics Plots of the resistance for the photocells listed in this catalog versus light intensity result in a series of curves with characteristically different slopes. This is an important characteristic of photocells because in many applications ...

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Selecting a Photocell The decay or fall time is defined as the time necessary for the light conductance of the photocell to decay to 1/e (or about 73%) of its illuminated state illumination the response times ...

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Selecting a Photocell Many low voltage situations involve very little power, so that the photocell can be small in size, where voltages and/or currents are higher, the photocell must be physically larger so that the semiconductor film can dissipate the ...

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Photoconductive Cell Typical Characteristic Curves @ 25°C Type Ø Material Type Ø Material This is a general purpose material. Its characteristics include a good temperature coefficient and fast response time, especially at very low light levels. Cells of this type ...

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Photoconductive Cell Typical Characteristic Curves @ 25°C Type Ø Material Relative Spectral Response Relative Resistance vs. Temperature 10 ...

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Photoconductive Cell Typical Characteristic Curves @ 25°C Type 3 Material Type 3 Material This is a high speed material with a spectral response closely approximating the human eye. This material is well suited for switching from one light level to ...

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Photoconductive Cell Typical Characteristic Curves @ 25°C Type 3 Material Relative Spectral Response Relative Resistance vs. Temperature 12 ...

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Photoconductive Cell Testing and General Notes Production Testing of Photocells - PerkinElmer’s New Approach Historically within this industry, vendors have set their production testers to the limits specified on the customer’s print. Measurement errors due to ambient temperature, calibration of ...

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Photoconductive Cell ELECTRO-OPTICAL CHARACTERICTICS @ 25°C Resistance (Ohms) 10 lux 2850 K Part Number Min. Typ. Max. VT9Ø VT9Ø VT9Ø VT9ØN4 50 ...

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Photoconductive Cell ELECTRO-OPTICAL CHARACTERICTICS @ 25°C Resistance (Ohms) 10 lux 2850 K Part Number Min. Typ. Max. VT8Ø VT8Ø VT83N1 VT83N2 12 ...

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Dual Element VT800CT Series ELECTRO-OPTICAL CHARACTERICTICS @ 25°C Resistance Per Element (Ohms) 10 lux 2850 K Part Number Min. Typ. Max. VT83CT See page 13 for notes. PerkinElmer Optoelectronics, 10900 Page Ave., St. Louis, ...

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Photoconductive Cell ELECTRO-OPTICAL CHARACTERICTICS @ 25°C Resistance (Ohms 6500 K Part Number Min. Typ. Max. VT43N1 VT43N2 VT43N3 VT43N4 33 ...

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Photoconductive Cell ELECTRO-OPTICAL CHARACTERICTICS @ 25°C Resistance (Ohms) 10 lux 2850 K Part Number Min. Typ. Max. VT2Ø VT2Ø VT2Ø 108 k VT2ØN4 76 ...

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... VT33N1 VT33N2 120 k VT33N3 80 k 160 k 240 k See page 13 for notes. PerkinElmer Optoelectronics, 10900 Page Ave., St. Louis, MO 63132 USA PACKAGE DIMENSIONS ABSOLUTE MAXIMUM RATINGS Parameter Continuous Power Dissipation Derate Above 25°C Temperature Range Operating and Storage (16 hrs ...

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Dual Element VT300CT Series ELECTRO-OPTICAL CHARACTERICTICS @ 25°C Resistance Per Element (Ohms) 10 lux 2850 K Part Number Min. Typ. Max. VT3Ø VT33CT 60 k 120 k 180 k See page 13 for notes. ...

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Photoconductive Cell ELECTRO-OPTICAL CHARACTERICTICS @ 25°C Resistance (Ohms) 10 lux 2850 K Part Number Min. Typ. Max. VT5Ø VT5Ø VT5Ø VT53N1 16 ...

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Application Notes—Photoconductive Cells APPLICATION NOTE #1 Light - Some Physical Basics Light is produced by the release of energy from the atoms of a material when they are excited by heat, chemical reaction or other means. Light travels through space ...

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Application Notes—Photoconductive Cells APPLICATION NOTE #2 Light Resistance Measurement Techniques The light resistance or “on” resistance (RON photoconductor cell is defined as the resistance of the cell as measured at a special light level using a light source ...

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Application Notes—Photoconductive Cells LED Light Sources LED Type Color GaP GREEN GaAsP/GaP YELLOW GaAsP/GaP ORANGE GaAsP/GaAs RED AIGaAs RED GaP/GaP RED GaAIAs INFRARED GaAs INFRARED APPLICATION NOTE #4 Spectral Matching of LEDs and Photoconductive Types Since light sources and light ...

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Application Notes—Photoconductive Cells Factoring in the power outputs of the LEDs, in this case at a forward drive current of 10 ma, coupling factors (matching factor multiplied by power output) for the various LED/material type combinations can be generated. Normalized ...

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Application Notes—Photoconductive Cells APPLICATION NOTE #7 How to Specify a Low Cost Photocell Sometimes the demands of the application such as power dissipation, “on” resistance, voltage, temperature coefficient, etc. limit the selection of the photocell to one particular device. However, ...

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Analog Optical Isolators VACTROLS® ...

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What Are Analog Optical Isolators? PerkinElmer Optoelectronics has been a leading manufacturer of analog optical isolators for over twenty years and makes a broad range of standard parts under its trademark VACTROL®. There are many kinds of optical isolators, but ...

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What Are Analog Optical Isolators? Light History Considerations Photoconductive cells exhibit a phenomenon knows as hysteresis, light memory, or light history effect. Special consideration must be given to this characteristic in the analog optoisolator because the photoconductive element is normally ...

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What Are Analog Optical Isolators? Types 2 & 3 Type Ø Lower Higher Slower Lower Smaller Relative Resistance vs. Temperature Type Ø Material Relative Resistance vs. Temperature Type 1 Material Material Characteristics (General Trends) Type 7 Type 4 Temperature Coefficient ...

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What Are Analog Optical Isolators? Relative Resistance vs. Temperature Type 4 Material Relative Resistance vs. Temperature Type 7 Material 31 ...

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Typical Applications of Analog Optical Isolators Why Use Analog Optical Isolators? PerkinElmer Optoelectronics’ line of analog optical isolators (AOIs) consists of a light tight package which houses a light source and one or more photoconductive cells. Through control of the ...

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Typical Applications of Analog Optical Isolators Typical Application Circuits Automatic Gain Control (AGC) Remote Gain Control Noiseless Switching/Logic Interfacing (See Application Note #1) Audio Applications 33 ...

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Characteristics of Analog Optical Isolators Transfer Characteristics The light output of an LED is proportional to the input drive current, I Some LEDs will begin to radiate useful amounts of light output at forward currents as low as 10 µA. ...

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Characteristics of Analog Optical Isolators Some major characteristics of Johnson noise are that it is: 1. Independent of frequency and contains a constant power density per unit of bandwidth. 2. Temperature dependent, increasing with increased temperature. 3. Dependent on photocell ...

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Characteristics of Analog Optical Isolators (a) (c) At high AC voltages, distortion to the waveform can be seen using an oscilloscope. The waveform is still symmetrical but contains the fundamental and the odd harmonics, the third harmonic being predominant. If ...

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Characteristics of Analog Optical Isolators Voltage Rating The maximum voltage rating of the output element (photocell) applies only when the input is off. Two different kinds of dark current “leakage” characteristics are observed in photocell output elements. Figure 4 shows ...

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Characteristics of Analog Optical Isolators Storage Characteristics The instantaneous output resistance of any AOI is somewhat dependent on the short term light history of the photocell output element. With no applied input current or voltage, the output element is in ...

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Characteristics of Analog Optical Isolators Capacitance The equivalent circuit for the output photocell is a resistor in parallel with the capacitance. The capacitance arises from the topside metallization of the electrodes which form a coplanar capacitor. The value of this ...

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Characteristics of Analog Optical Isolators Typical Transfer Characteristics (Resistance vs. Input Current) For Standard Vactrols Curves shown are based upon a light adapt condition for 24 hours @ no input at 25°C. Output Resistance vs. Input Current VTL5C Series Output ...

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Characteristics of Analog Optical Isolators Analog Optoisolator Comparison Chart Device Material Type Slope VTL5C1 1 VTL5C2 Ø VTL5C2/2 Ø VTL5C3 3 VTL5C3/2 3 VTL5C4 4 VTL5C4/2 4 VTL5C6 Ø VTL5C7 7 VTL5C8 Ø VTL5C9 1 VTL5C10 4 Specification Notes (These ...

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42 ...

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Low Cost Axial Vactrols DESCRIPTION VTL5C1 offers 100db dynamic range, fast response time, and very high dark resistance. VTL5C2 features a very steep slope, low temperature coefficient of resistance, and a small light history memory. ABSOLUTE MAXIMUM RATINGS @ 25°C ...

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Typical Performance Curves Output Resistance vs. Input Current VTL5C1 Output Resistance vs. Input Current VTL5C2 Input Characteristics PerkinElmer Optoelectronics, 10900 Page Ave., St. Louis, MO 63132 USA Response Time VTL5C1 Response Time VTL5C2 Notes 1.0 mA and below, ...

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Low Cost Axial Vactrols DESCRIPTION VTL5C3 has a steep slope, good dynamic range, a very low temperature coefficient of resistance, and a small light history memory. VTL5C4 features a very low “on” resistance, fast response time, with a smaller temperature ...

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Typical Performance Curves Output Resistance vs. Input Current VTL5C3 Output Resistance vs. Input Current VTL5C4 Input Characteristics PerkinElmer Optoelectronics, 10900 Page Ave., St. Louis, MO 63132 USA Response Time VTL5C3 Response Time VTL5C4 Notes 1.0 mA and below, ...

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Dual Element Axial Vactrols DESCRIPTION VTL5C2/2 features a very steep slope, low temperature coefficient of resistance, and a small light history memory. VTL5C3/2 has a steep slope, good dynamic range, a very low temperature coefficient of resistance, and a small ...

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Typical Performance Curves Output Resistance vs. Input Current VTL5C2/2 Output Resistance vs. Input Current VTL5C3/2 Input Characteristics PerkinElmer Optoelectronics, 10900 Page Ave., St. Louis, MO 63132 USA Response Time VTL5C2/2 Response Time VTL5C3/2 Notes 1.0 mA and below, ...

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Dual Element Axial Vactrols DESCRIPTION VTL5C4/2 features a very low “on” resistance, fast response time, with a smaller temperature coefficient of resistance than VTL5C1. ABSOLUTE MAXIMUM RATINGS @ 25°C Maximum Temperatures Storage and Operating: Cell Power: Derate above 30°C: LED ...

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Typical Performance Curves Output Resistance vs. Input Current VTL5C4/2 Input Characteristics PerkinElmer Optoelectronics, 10900 Page Ave., St. Louis, MO 63132 USA (Per Element) Response Time VTL5C4/2 Notes 1.0 mA and below, units may have substantially higher resistance than ...

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Low Cost Axial Vactrols DESCRIPTION VTL5C6 has a large dynamic range, high dark resistance, a low temperature coeffecient of resistance, and a small light history memory. VTL5C7 is a shallow sloped device with good dynamic range, average temperature coefficient of ...

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Typical Performance Curves Output Resistance vs. Input Current VTL5C6 Output Resistance vs. Input Current VTL5C7 Input Characteristics PerkinElmer Optoelectronics, 10900 Page Ave., St. Louis, MO 63132 USA Response Time VTL5C6 Response Time VTL5C7 Notes 1.0 mA and below, ...

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Low Cost Axial Vactrols DESCRIPTION VTL5C8 is similar to VTL5C2 with a low temperature coefficient of resistance and little light history memory, but has a more shallow slope and a lower “on” resistance at low (1 mA) drive currents. ABSOLUTE ...

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Typical Performance Curves Output Resistance vs. Input Current VTL5C8 Input Characteristics PerkinElmer Optoelectronics, 10900 Page Ave., St. Louis, MO 63132 USA Response Time VTL5C8 Notes 1.0 mA and below, units may have substantially higher resistance than shown in ...

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Low Cost Axial Vactrols DESCRIPTION VTL5C9 has a 112 db dynamic range, fast response time, high dark resistance, but with a more shallow slope and lower “on” resistance at low (1 mA) drive currents than the VTL5C1. VTL510 offers a ...

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Typical Performance Curves Output Resistance vs. Input Current VTL5C9 Output Resistance vs. Input Current VTL5C10 Input Characteristics PerkinElmer Optoelectronics, 10900 Page Ave., St. Louis, MO 63132 USA Response Time VTL5C9 Response Time VTL5C10 Notes 1.0 mA and below, ...

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Application Notes—Analog Optical Isolators APPLICATION NOTE #1 Audio Applications The LDR output element of AOIs is almost purely resistive in nature. This property makes the AOI a very useful device for the control of AC signals. Further, because AOIs also ...

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Application Notes—Analog Optical Isolators Basic Circuit Configuration Figure 1a. Shunt Input Control Figure 1b. Series Input Control Figure 1c. Feedback Resistor Control Input Resistance Variable Variable Fixed, Low Gain ---------- - LDR -------------------------- ...

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Application Notes—Analog Optical Isolators Basic Circuit Configuration Figure 1d. Input Resistor Control Figure 1e. Potentiometric Gain Figure 1f. Potentiometric Gain Input Resistance Variable Fixed, High Fixed, High 59 Gain R 2 -------------------------- - LDR ...

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Application Notes—Analog Optical Isolators Switching Mechanical switching of low level audio signals requires the use of switches with precious metal contacts. Sudden changes in signal can cause the speakers to thump and damage may occur if the speaker is underdamped. ...

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Application Notes—Analog Optical Isolators Gating and Muting Background noise becomes very objectionable when a signal level in a program is low. Noise is any unwanted sound and may be due to tape hiss or amplifier hum. These noises can be ...

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Application Notes—Analog Optical Isolators Limiters If the magnitude signal varies over a wide range, it may be necessary to amplify or compress the signal before any audio processing can be performed. In other cases, the audio power ...

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Application Notes—Analog Optical Isolators Variable bandwidth can be avoided if the AOI is used in a voltage divider circuit at the input of a fixed gain amplifier. For the same range of input signals, the amplifier gain must be 500 ...

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Application Notes—Analog Optical Isolators This reduced low frequency power rating can be accommodated by using a limited circuit which reduces the limit threshold when the frequency is below 200 Hz. Figure 8a shows a very simple circuit to do this. ...

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Application Notes—Analog Optical Isolators Figure 9 shows an AGC circuit which consists of three main elements: a variable gain amplifier, full-wave active rectifier and a summing amplifier. The variable gain amplifier consists of op-amp A1 with potentiometric gain that is ...

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Application Notes—Analog Optical Isolators The control loop consists of op-amp A and resistors R 2 circuit sets the LED current so that REF 1 ---------- - = ---------------------- set: R ...

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Application Notes—Analog Optical Isolators APPLICATION NOTE #2 Handling and Soldering AOIs All opto components must be handled and soldered with care, especially those that use a cast or molded plastic and lead frame construction like the LEDs used in AOIs. ...

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Application Notes—Analog Optical Isolators The best policy is one which prevents tarnish from forming. Tarnish, which is a compound formed when silver reacts with sulfur (Ag be prevented by keeping the components away from sulfur or sulfur compounds. Since two ...

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PerkinElmer Optoelectronics Warranty Statement PerkinElmer Optoelectronics warrants that all items sold will be free from defects in materials and workmanship under normal use and service for a period of one year from the date of shipment. If PerkinElmer Optoelectronics receives ...

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Quality Statement PerkinElmer Optoelectronics’ business is the design, development, and production of optoelectronic components and assemblies. Our development and manufacturing activities focus on achieving and maintaining consistent product quality and high levels of reliability. PerkinElmer produces devices and assemblies for ...

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USA: Europe: PerkinElmer Optoelectronics PerkinElmer Optoelectronics 10900 Page Avenue Wenzel-Jaksch-Str. 31 St. Louis, MO 63132 D-65199 Wiesbaden Phone: (314) 423-4900 Germany Fax: (314) 423-3956 Phone: +49 611 492 0 Fax: +49 611 492 170 © 2001 PerkinElmer, Inc. All rights ...