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  • PWM motor control (CB8018E)
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  • Touch on and off switch (CB9376E)
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  • 9 to 14 V adjustable power supply (CB8504E)
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Circuit Bench

  • Two-band loop antenna (CB6979E)

          Found in Popular Electronics from the 1980s, this circuit can use more modern transistors such as...

  • Step-adjusted power supply (CB8895E)

            This 1.5 A circuit has the output voltages adjusted by a selector switch. We found it in a Popular...

  • Field strength meter (CB6234E)

           This circuit was found in a 1980s documentation. The diodes may be general purpose diodes such as 1N34...

Latest

  • Crystal test (CB9622E)
  • Double limit test (CB9593E)
  • Proximity detector (CB9567E)
  • Touch on off switch (CB9519E)

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