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Search results: 2,336   Output: 51-60
  1. Rex Niven EDN The ubiquitous LCD (Figure 1) (and VFD) modules based on the HD44780 controller IC can require up to 12 lines from the host. Figure 1. A typical LCD module. This hardware interface Design Idea (Figure 2) reduces the connection to just ...
    24-05-2017
  2. Kenneth Gustafsson EDN Some instrumentation amplifiers use external resistors to set their gain. Unfortunately, the lack of temperature-coefficient matching between the external and the internal resistors results in a high gain drift. If, however, ...
    23-05-2017
  3. Brad Albing EDN Many suitable circuits exist for driving LEDs in constant-current mode and from low-voltage sources. For example, references 1 , and 2 show circuits that use switched-mode-regulator ICs and low-voltage sources to supply LED current. ...
    Circuits » Supply · Light » Maxim » MAX4073T
    18-05-2017
  4. Spehro Pefhany EDN Occasionally, you have access to a transformer for powering a dc circuit, but its output voltage is much higher than that required for the dc voltage. The full-wave-rectified and filtered output of an ac input voltage V X , is V ...
    Circuits » Supply · Power » STMicroelectronics » STD12NE06
    16-05-2017
  5. Carlos Cossio EDN Energy-harvesting, or “scavenging,” systems extract energy from the ambient environment. Unfortunately, these power generators supply much less energy than do standard batteries. However, thanks to the decreasing size ...
    Circuits » Supply » Maxim » MAX1675
    16-05-2017
  6. Robert F. Coughlin Electronic Design Adding “intelligence” to measurement systems has become commonplace because 8-bit microcontrollers are inexpensive and widely available, and they can be programmed in many of today’s popular ...
    16-05-2017
  7. Charles Wenzel Techlib.com The induction receiver shown below in Figure 1 is very sensitive and can serve a variety of purposes. It is excellent for tracing wiring behind walls, receiving audio from an induction transmitter, hearing lightning and ...
    09-05-2017
  8. Loren Passmore EDN As in a previous Design Idea (Reference 1), this design uses an LED as a transducer to measure the ambient-light level and to provide illumination. This Design Idea uses the same principle as its predecessor but consists of only ...
    09-05-2017
  9. Larry Suppan, Maxim Integrated Application Note 657 Placing a load-disconnect circuit on the output of a bootstrapped step-up regulator allows the regulator to start with load currents much higher than would otherwise be possible (Figure 1). During ...
    Circuits » Supply · Power » Maxim » MAX1703
    09-05-2017
  10. Victor Khasiev, Linear Technology Design Note 552 Introduction Positive-to-negative DC/DC conversion (inverting output) is widely used in LCD devices, OLED displays, audio amplifiers, industrial equipment, measurement tools, test systems, LED ...
    09-05-2017
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