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  • Calculating An Ohmmeter (ART575E)

  • Degrees Celsius, Degrees Fahrenheit, Degrees Kelvin and Degrees Reamur (MA197E)

  • How to Calculate, Modify or Adjust Resonant Circuits (ART563E)

  • Inches to Millimeters (MA195E)

  • Instantaneous Values of Sine Waves (MA194E)

  • Mechanics of liquids (MEC215)

  • Millimeters to Inches (MA196E)

  • Sound Pressure (MA200E)

  • Sound Wavelength (MA198E)

  • Using the Hydraulic Pressure (MEC216E)

  

Latest

  • Stepped Timer (ART726E)
  • Electronic Circuit Breaker (ART727E)
  • Electronic Cockroach Killer (ART649E)
  • Two Projects with Ceramic Transducers (ART647E)

Circuit Bench

  • Negative Feedback Stage (CB6131E)

          This circuit is from a 1967 US publication. The configuration can serve as a basis for designs...

  • 40 kHz repellent (CB20815E)

      This ultrasonic insect repellent was found in American documentation from the 1980s. The...

  • Oscillator Using a Voltage Comparator (NI016E)

    Oscillators up to some megaherts can be made with comparators like the LM139, 239 or 339. Theses...

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