This two-year-80s circuit consists of a solution for a small portable recorder powered by cells, as it was used at the time. The circuit can serve as a reference for the recovery of old equipment.
Found in a 90s Popular Electronics, this circuit monitors an RF signal providing a DC output. The...
This circuit can be used as a shield to control the matrix flow of 100 LEDs from a single output of...
The circuit in the figure generates a high continuous voltage, on the order of 40 to 6oV under a...