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  1. Cabe Atwell
    In today’s world, we rely primarily on streaming services to watch movies and TV shows at HD resolutions. Although a good portion of the population still takes advantage of Blu-ray players to watch media on giant-screen TVs, we’re no ...
    Dec 5, 2024
  2. Carlisle Dolland
    The low- to moderate-power system in Figure 1 provides the interface between a pulse-width modulator and a high-side IGBT (insulated-gate-bipolar-transistor) or MOSFET switch. You can use it to interface TTL or CMOS circuitry to an H-bridge if you ...
    Nov 29, 2024
  1. Nick Cornford
    In the first part of this DI ( Ref. 1 ), we saw how to gate an oscillator to generate well-behaved impulses. Now we find out how to extend that idea to producing well-behaved step functions, or nicely smoothed square waves. The ideal here is the ...
    Nov 24, 2024
  2. Michael Wyatt
    Often, one needs a simple low voltage sinusoidal oscillator with good amplitude and frequency stability and low harmonic distortion; here, the Peltz oscillator becomes a viable candidate. Please see the Peltz oscillator Analog Devices Wiki page ...
    Nov 24, 2024
  3. Richard Panosh
    The circuit in Figure 1 computes the derivative of an input signal as the integral of the input signal minus the signal itself. Figure 1. This circuit produces less noise than the classic inverting differentiator. The response of the circuit is ...
    Nov 22, 2024
  4. Nick Cornford
    The principle behind testing the impulse response of circuits is simple: hit them with a sharp pulse and see what happens. As usual, Wikipedia has an article detailing the process ( Ref. 1 ). This notes that the ideal pulse a unit impulse, or Dirac ...
    Nov 18, 2024
  5. Dafydd Roche Miro Oljaca
    Modern day recording and broadcast is a mixed bag for today's audio engineers when it comes to input signal chains. Microphone electronic technology really hasn't changed that much over the last 50 years. The concept is mostly based around ...
    Nov 12, 2024
  6. The biggest problem with precision noise measurement is that the noise floor you’re trying to evaluate is frequently below the sensitivity of your measuring instruments. The dominant technique for gaging precision op-amp noise is to calculate ...
    Nov 6, 2024
  7. Duane Benson
    Dr. Goodenough received a Nobel Prize at the age of 97 for his contributions to making the Lithium-ion battery a reality. Figure 1. Dr. John B. Goodenough with a Li-ion battery. In 2019, at the age of 97, Dr. John B. Goodenough became the oldest ...
    Nov 4, 2024
  8. Alexander Bell
    The concept of using supercapacitors (also known as ultracapacitors, supercaps, etc.), and replacing the batteries in portable micropower applications ( Ref. 1 ) is gaining momentum. In fact, it has become one of the more noticeable technical ...
    Oct 31, 2024