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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

  • 5 W Amplifier with Germanium Transistors (CB14765E)

      This experimental amplifier was found in the 1960 Mullard transistor reference manual. The...

  • Light-operated relay (CB8285E)

           This circuit from Motorola is from 1968, appearing elsewhere on this site. The transistors admit...

  • Battery Low Indicator (CB4796E)

           This circuit triggers the LED when the monitored battery voltage drops below 9 V for 12 V...

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