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  • Stepped Timer (ART726E)
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Circuit Bench

  • LED photo sensor (CB6858E)

           In the figure we have the way to use a common LED as a light sensor. The operational power supply...

  • Two-phase VCO (CB9433E)

      Found in Radio Electronics from the 90s, this circuit generates signals from 100 Hz to 1.5 kHz....

  • Relative impedance meter (CB7487E)

          Found in a 1960 Sylvania manual, this circuit can be implemented with a modern equivalent...

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