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Circuit Bench

  • Telephone amplifier (CB22053E)

      Using the LM380, this circuit provides a power of the order of 200 mW. In it we have a stage of...

  • Class A Amplifier - 2N3055 (CB1001E)

    I found this circuit in an article in a 2003 publication. The circuit is an example of how to...

  • Magnetic Field Meter (CB23690E)

      We found this circuit in a Radio Electronics from October 1965. The pickup coil can be of the...

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