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Search results: 476   Output: 1-10
  1. Jean-Bernard Guiot EDN Controlling a small dc motor without speed control sounds like a trivial task; a switch or a relay should suffice. However, several problems accompany this approach. For one, the switch, because of the inductive load and the ...
  2. Clayton Grantham EDN Many process-control sensors, such as thermistors and strain-gauge bridges, require accurate bias currents. By adding a single current-setting resistor, R 1 , you can configure voltage-reference circuit IC 1 to produce a ...
  3. Jim Drew, Linear Technology Design Note 487 Introduction Redundant arrays of independent disks, or RAID, systems, by nature are designed to preserve data in the face of adverse circumstances. One example is power failure, thereby threatening data ...
    Circuits » Supply » Linear Technology » LTC3625, LTC4412, LTM4616
  4. Jim Grant EDN A white LED delivers a wide color spectrum and better visibility than do monochromatic LEDs. However, a white LED presents a higher forward-voltage drop than do its colorful counterparts and thus poses problems for operation from a ...
  5. Stephen Woodward EDN Unusual design constraints sometimes reveal the unfriendly side of everyday components and circuits. A case in point is the design of power-supply-regulation circuitry in which the primary power source has an absolute ...
  6. Ausias Garrigos David Marroqui EDN Photovoltaic systems commonly include a means of energy storage batteries or supercaps to provide electricity to the load when sunlight is not available or during power transients. However, when feasible, ...
  7. Abel Raynus EDN Rechargeable NiCd (nickel-cadmium) cells are widely used in consumer devices because of their high energy density, long life, and small self-discharge rate. As a part of one project, I needed to design a reliable and inexpensive ...
    Circuits » Supply » NXP » MC68HC908QT1
  8. Jim Drew, Linear Technology Design Note 483 Introduction Recent advances in ultralow power microcontrollers have produced devices that offer unprecedented levels of integration for the amount of power they require to operate. These are systems on a ...
    Circuits » Supply » Linear Technology » LTC3588-1
  9. Scot Lester EDN A step-down SMPS (switched-mode power supply) efficiently converts unregulated power to a regulated output voltage. However, unwanted switching-induced ripple and input transients may appear on the output. Applying noisy power to an ...
    Circuits » Supply · Power » Texas Instruments » TPS62300, TPS736xx
  10. Stepan Novotill EDN Designs for solar-powered applications with low-duty-cycle requirements can often rely on capacitors for energy storage in place of less reliable batteries. Typical applications include solar positioning, telemetry transmitters, ...
    Circuits » Supply · Solar » ON Semiconductor » 2N4401, 2N4403
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