Photo Sensor

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  • Photo Sensor Application Note
    The basic circuit of an optical sensor is shown in Figure 2-2.1(a). The anode of the LED is connected to the power line VCC via resistor RE and the cathode is grounded.
  • Sensing Light with a Programmable Gain Amplifier
    Photo sensors bridge the gap between light and electronics. Microchip's Programmable Gain Amplifiers (PGAs) are not well suited for precision applications (such as CT scanners), but they can be effectively used in position photo sensing applications minus the headaches of amplifier stability. When
  • Using a Digital Potentiometer to Optimize a Precision Single Supply Photo Detect
    Photodiodes bridge the gap between light and electronics. Many times precision applications such as CT scanners, blood analyzers, smoke detectors, position sensors, IR pyrometers and chromatographs utilize the basic transimpedance amplifier circuit that transforms light energy into a usable
  • Case Study - Light Butler: An Integrated Lighting System
    While working on a home lighting project, Alan Butler found a need for a lighting control device that combined a digital timer, motion detector, photo sensor and dimmer in one compact package. Searching the shelves of some large home centers in Alpharetta with no success, he discussed his lighting
  • A Guide to Using FETS (Field Effect Transistors) for Sensor Applications
    FETs (Field Effect Transistors). suitable for use in low noise amplifier applications for. photo diodes, accelerometers, transducers, and other types of sensors. Read the White Paper
  • How To Select a Total Hydrocarbon Analyzer For Use in an Industrial Application (.pdf)
    Several different sensor technologies may be used to detect hydrocarbons, including: catalytic; photo-ionization; infra-red; gas chromatography; and flame ionization. Of these possibilities, flame ionization (FID) is considered the best choice for continuously monitoring the total concentration
  • ICACS - Industrial Cooling Applied Chiller Service
    When ICACS was looking for a new speed sensing product for their Steam TurboChyll Products, a. Google search led them to their Electro-Sensors solution. The original sensing equipment included a. photo tachometer and reflective tape. This proved to be problematic. Over time, the steam would loosen
  • Low Outgassing Accelerometers and Cables for Thermal Vacuum and Vibration Test Environments
    Exposure to the high vacuum level of a space environment induces material outgassing in ordinary accelerometers and cables. Any substance subjected to a vacuum has the potential to release trapped gasses. Contaminants from outgassing can condense onto nearby surfaces such as photo-optic devices

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