Buffer with MOSFET (CB26318E)

This boost amplifier was found in a Popular Electroniics from the 90s. The circuit operates up to 20 MHz depending on the coils used.

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Monostable with Schmitt Trigger (CB15967E)
This circuit serves as the basis for applications such as timers and alarms, being its base two of...
5V x 500 mA Buck Converter (CB9952E)
Found in documentation from the 1970s, this reducing regulator uses integrated circuits and...
Nicad Charger for car (CB4792E)
This circuit was found in a Popular Electronics of the 90s. The resistor R4 determines the load...