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Circuit Bench

  • XR2208 AM Modulator (CB24547E)

      We found this circuit in the April 1978 issue of Radio Electronics magazine. The power supply must...

  • 1 kHz High Pass Filter (CB24267E)

      Using the 741 this basic circuit was found in the November 1973 Radio Electronics magazine. The...

  • VHF and UHF Preamplifier (CB8401E)

          Found in a 90s Popular Electronics, this circuit uses a MAR-X to amplify signals up to 2 GHz. The...

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