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Search results: 351   Output: 31-40
  1. Chee Hua How, TDK Malaysia Electronic Design Bench evaluation of transistors’ h FE may be needed during development of a system to ensure reliability of production systems. This circuit permits such testing using pulsed current and the ...
    31-05-2016
  2. Karen Hunsberger Electronic Design This frequency upconverter circuit is a simple alternative to doing period measurement or accepting long latency when measuring very low frequencies, on the order of one to 100 Hz. Engineers occasionally need to ...
    Circuits » Measurement · Digital » Texas Instruments » CD4089B, SN7497
    28-03-2016
  3. A Hunt EDN When I was recently debugging a design, I discovered that a short circuit existed from a ground plane to a power plane. I did not have access to a milliohmmeter or an equivalent tester for locating this type of short circuit. So, I ...
    22-03-2016
  4. Arash Ushani EDN As a professional engineer, I'm often overworked and stressed. When I need a break I sometimes sit at my desk and play with waves. I enjoy creating and viewing signals in different forms, signals of all shapes and sizes. It's ...
    10-03-2016
  5. Adolfo Mondragon EDN Measurement of average power in a 60 Hz circuit (equivalent to V RMS × I RMS × cos(φ)) can be done by sampling the product of voltage and current and averaging. This requires four quadrant multiplication since ...
    14-02-2016
  6. Steve Hageman EDN Current models of spectrum analyzers routinely offer frequency responses that begin as low as 10 Hz. When you combine them with 1-Hz or narrower band FFT software, expanded low-frequency performance makes the modern spectrum ...
    14-02-2016
  7. Andrew Russell EDN The circuit in Figure 1a is a low-cost isolation amplifier for instrumentation applications that provides as much as 500 V of galvanic isolation between input and output. The amplifier uses only one small, low-cost transformer ...
    Circuits » Analogue Design · Measurement » NXP » LM385, BAV99
    31-01-2016
  8. Anatoly Besplemennov EDN This Design Idea utilizes an optical computer mouse's sensor for measuring rotation of a disk which can be mechanically connected to any sort of rotating apparatus. One feature is to allow adjustment of the pulses per ...
    Circuits » Measurement · Computers and Peripherals » PixArt » PAN3101, PAN101B, OM02
    21-01-2016
  9. Tyler Hutchison and Clarence Mayott, Linear Technology Design Note 1031 Introduction High speed ADCs use a sample and hold input structure comprising a fast CMOS switch and a sampling capacitor. When the CMOS switch closes, the sampling capacitor ...
    14-01-2016
  10. David Williams EDN The circuit in Figure 1 provides a low-cost, isolated ac-line monitor that measures ac-line-voltage level and has some other unique capabilities. The analysis of the circuit is straightforward: When the ac input, V IN , is ...
    06-01-2016
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