This interesting circuit was found in a 1968 documentation. The transistor can be a general-purpose equivalent. The circuit can act as a shield.
This circuit, found in 1980s documentation, produces a rectangular signal of the same frequency as the...
We found this circuit in the August 1994 issue of Electronics Now. The 4046 is unusual today. The...
Found in an Electronic Design of 1964, this circuit can control up to 20 SCRs in a trigger system...