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  • Stepped Timer (ART726E)
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Circuit Bench

  • Lie Detector (CB16987E)

      This circuit was found in a 1990 documentation. It uses very common transistors still today and...

  • Variable Source 0 to 12 V x 1 A (CB12208E)

      This circuit from the 80's can be easily implemented but needs some changes to avoid problems with...

  • Superheteredyne MW Receiver (CB962E)

    This circuit, found in a 1958 magazine, is for reference only, since the components are not easy...

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