This low current source without a transformer is intended for applications where insulation is not important. The circuit has a 110 V (120 V) input and was found in old American documentation.
Found in Electronics Now from the 90's, this circuit generates a rectangular 1 kHz signal for...
This TTL divider divide by 0 to 9 the frequency of a signal applied to its input. Maximum...
This circuit can be seen in several publications of the same time. The circuit is an application note...