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Search results: 2,341   Output: 1-10
  1. 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
    05-12-2017
  2. Lance McBride EDN In many applications, it's desirable to disable LEDs used for system verification. Many options are available for the disabling function, including manual SPST (single-pole single-throw) switches, enhancement- and ...
    05-12-2017
  3. 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
    29-11-2017
  4. John Wynne EDN When two different-metal conductors connect together in a loop and one of the junctions is at a higher temperature than the other, an electrical current flows through the loop. The magnitude of this current depends on the type of ...
    29-11-2017
  5. Dobromir Dobrev EDN The classic three- or two-op-amp instrumentation-amplifier circuits are standard ways to amplify a small-amplitude differential signal contaminated with high common-mode noise. In some applications, the signal source is floating ...
    24-11-2017
  6. José Carrasco and Ausias Garrigós EDN Basic textbooks describe inverting and noninverting amplifiers based on operational amplifiers. These amplifiers have different gain equations. Whereas in the inverting configuration, the gain is ...
    15-11-2017
  7. Vladimir Dvorkin, Linear Technology EDN Whether you measure or use RF circuits that operate in the popular 2.4-GHz ISM (industrial/scientific/medical) band, cordless telephones, Wi-Fi access points, Bluetooth devices, and microwave ovens can ...
    15-11-2017
  8. 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
    09-11-2017
  9. John Guy EDN Adding current-limiting circuitry to a power amplifier's or a linear voltage regulator's emitter-follower output stage protects both the output transistor and the downstream circuitry from excessive-current damage. Figure 1 ...
    Circuits » Analogue Design · Power » Maxim » MAX8515
    09-11-2017
  10. Michael Fisch EDN In 1940, William Hewlett and David Packard launched a product from a garage. The product was a Wien-bridge oscillator. It consisted of a single-pole highpass filter in series with a single-pole lowpass filter. To keep the gain ...
    09-11-2017
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