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Latest

  • Stepped Timer (ART726E)
  • Electronic Circuit Breaker (ART727E)
  • Electronic Cockroach Killer (ART649E)
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Circuit Bench

  • FET mixer (CB4292E)

           This dual-gate FET RF signal mixer circuit was found in a 1980s documentation. The circuit is...

  • Photo Oscillator (CB18549E)

      We found this circuit in a Japanese publication from the 1960s. The frequency depends on the coil,...

  • XR220 Timing Circuit (CB24211E)

      This integrated circuit was intended to compete with the 555 in the 1970s. The circuit shown is...

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