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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

  • Crystal radio (CB20903E)

      This crystal or galena radio uses a germanium diode. C1 is an old radio variable and L1 has 100...

  • Astable with the Operational LM3900 (CB4511E)

                Other series amplifiers such as the MC3301, MC3401 and LM2900 can be used on this circuit. We...

  • Unit gain audio mixer (CB7987E)

           Found in a 90’s American publication, this circuit has a voltage gain close to 1, as shown in the...

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