These reset circuits when the power is turned on were found in an 80's EDN. The circuit also applies to other logic.
This circuit was found in a 1991 publication. The transistor can be a general-purpose type....
This circuit was found in the magazine of radio amateurs 73 in a 90's edition. The components are...
Found in an old American documentation this FM modulator makes use of a varactor diode. The...