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  • Generating High Voltage Using the PIC16C781/782
    The Nixie tube is a device born out of the middle twentieth century, used to display digital information in a human readable format. Basically, it is a high-voltage numerical display. Today, the Nixie tube has been replaced by more efficient, more durable, and longer lasting devices, such as LED
  • A Digital Constant Current Power LED Driver
    AN1138 A Digital Constant Current Power LED Driver drive current for this type of LED would be 350 mA and Author: Stephen Bowling a typical forward voltage would be 3.5V. Secondly, we Microchip Technology Inc. will assume that the circuit input voltage is 12V. The inductor value will be chosen
  • Environmental Noise Control Trends in Instrumentation
    . They are much less expensive (usually only a few dollars) and consume a very small current at low voltage. But they have a frequency response that is less well controlled. In recent years a third family of microphones has appeared in the industry: * MEMS microphones: Micro-Electro-Mechanical Systems
  • Design and Development of Medical Electronic Instrumentation
    effort. We discuss analog-to-digital conversion. of physiological signals as well as methods for high-resolution spectral analysis. Projects. include a universal sensor interface, sensor signal conditioners, using the PC sound card as. a data acquisition card, voltage-controlled oscillator
  • Lead Acid Battery Charger using the PIC14C000
    The PIC14C000 comes with several peripherals specifically aimed at the battery market. The programmable reference and onboard comparators are useful for creating charge control circuits, while the analog-to-digital (A/D) converter can monitor the charge state to prevent overcharge. The control
  • AN1106, Power Factor Correction in Power Conversion Applications Using the dsPIC (R) DSC
    following the PFC are: AC source. The DC output obtained after rectification is * Easy implementation of sophisticated control subsequently used for further stages. algorithms Current pulses with high peak amplitude are drawn * Flexible software modifications to meet specific from a rectified voltage

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