Bipolar transistors are types of general use like BC548, while the power MOSFET can be of any type depending on the current and voltage in the load. The circuit is from old documentation.
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With 3 transistors, we found this receiver in a documentation from 1966. The circuit has an output...
This sonic relay or vox was found in a Popular Electronics from the 90's. The power MOSFET can be of...
This tri-state comparator was found in a circuit manual from the 1980s, but it can be easily...