This circuit was found in an old documentation, being able to generate signals of frequencies in the range of 50 to 100 MHz. The components are of the time.
This circuit was obtained in a technical publication from the 1970s. It fires a diac and thus a...
This circuit has a very high input resistance to excite a 0-1 mA indicator instrument. The FET...
With this circuit it is possible to use a common hair dryer as a hand dryer. The circuit is timed...