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Search results: 2,327   Output: 1-10
  1. Alperen Akkuncu EDN Most of us know about PWM DACs. They are easy to implement, cheap, and acceptable for low performance applications. The approach is to filter the HF components of the PWM signal and be left with only the LF or DC component that ...
  2. Ajoy Raman Electronic Design By using this simple capacitor-network circuit and software, designs using the Arduino Uno need only two I/O pins to read a hex-switch decoder, leaving the remaining pins for other functions. A pulse-width-modulated ...
  3. Steve Hageman EDN Traditional control-system designs use separate switches to control power and various system functions, but adding a few components to a small, microprocessor-based system can combine a control function with the system's ...
  4. Marian Stofka EDN A capacitor that you charge through a resistor operates at 50% efficiency; hence, many engineers avoid using switched-capacitor dc/dc converters. That efficiency figure holds true only for capacitors with no initial voltage, ...
    Circuits » Supply » Analog Devices » ADG849, ADG888
  5. Stephen Woodward EDN Despite the ever-growing choices among single-supply “Rail-to-Rail” op-amps, it will always remain true that the only way to design an output stage active all the way down to zero volts is for the design to include ...
    Circuits » Analogue Design · Beginners · Supply » Texas Instruments » LM7905CT, LM320-N
  6. Ron Mancini EDN Converting periodic waveforms to square waves is an integral part of extracting a clock signal from data, creating waveform generators, and making timing-pulse generators. Any square-wave-conversion circuit is more valuable when the ...
    Circuits » Analogue Design » Texas Instruments » TLC393, TLV2470
  7. Chuck Wojslaw EDN The potentiometer portion of a mixed-signal, digitally programmable potentiometer adds variability to an analog circuit, and its digital controls provide programmability. You can use a digital potentiometer in two ways in an ...
  8. 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 ...
  9. 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 ...
  10. 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 ...
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