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Circuit Bench

  • 5 and 3.3 V USB Power Supply (CB21612E)

      Based on Maxim's MAX1797, MAX1811 or MAX1937 integrated circuits, this circuit allows you to take...

  • Negative source from 12 V (CB8849E)

          Found in a 90s 73 magazine, this circuit provides an output of 1.5 A with 24 V from a 12 V source....

  • Power Inverter (CB20076E)

      This circuit, for automotive use, was found in a publication in 1975. The transistors are from...

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