This time base circuit for the oscilloscope was obtained from an Electronics Now from the 90s. The circuit is intended to control the cathode ray tube of old oscilloscopes.
Found in Radio Electronics, this circuit doubles the voltage of the 117V power grid to activate...
This amplifier circuit with a low power MOSFET was found in Popular Electronics from the 90s. The...
This circuit is from a Popular Electronics from the 90s. The circuit requires extreme care in use, as...