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Search results: 2,320   Output: 1-10
  1. John Ambrose EDN Tracking notch filters find use in harmonic-distortion analyzers; they also can remove heterodyne noise from ham-radio systems. A conventional tracking switched-capacitor notch filter relies on a bandpass filter, a ...
  2. James Zannis EDN Expensive semiconductor laser diodes have no tolerance for fast voltage or current transients. To minimize the risk of damage, a standard JFET-clamp circuit shorts the laser when there is no supply voltage, thus protecting it ...
  3. Part 1 Understanding Raspberry Pi Inputs Push Button Switch Input The connections on the Raspberry Pi can be converted into inputs under software control. The example here is about the simplest; a push button switch is wired up to the 40-pin ...
  4. element14 Introduction The Raspberry Pi is a computer, and from a connections point of view it doesn’t look much different to a normal desktop computer. It has USB ports for connecting a keyboard and mouse, and a video output port for ...
  5. Luca Bruno EDN You can use the circuit in Figure 1 to obtain a low regulated voltage, such as 5 V dc, from a higher voltage, rectified, sinusoidal voltage source without resorting to an electrically noisy dc/dc converter or wasting watts in a ...
    Circuits » Supply » Infineon » IRF9530
  6. Ricardo Jiménez, Fernando D. Pacheco, and Blanca L. Rodríguez Electronic Design Measuring the low frequencies that are common in many real-world situations, such as biomedical or speedometer applications, is a challenge due to the ...
    Circuits » Measurement » Texas Instruments » 74HC4040, CD4017B, CD4081B, CD4093B, CD4518B
  7. Stefan Strozecki EDN Many applications require current sources rather than voltage sources. When you need a high-current source, using a linear regulator is inadvisable, because of the high power dissipation in the series resistor. To solve the ...
    Circuits » Supply » Texas Instruments » LM2576, TL082
  8. Marián Štofka EDN Many applications require a sampling circuit whose output is inverted with regard to the respective sample of an input signal. A simple approach is a cascade of a common noninverting sample-and-hold amplifier and an ...
  9. Jordan Dimitrov EDN [Editor’s note: This programmable DC reference calibrator will make a great DIY project for your lab bench. Full design files for the analog portion are provided, leaving the microcontroller part up to you. Send me your ...
  10. Bill Reeve Electronic Design By adding only a few components, you can turn a temperature- and beta-compensated current sink into a common-emitter (CE) amplifier that maintains a stable biased operating point. This architecture is useful for ...
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