This circuit is from an old American publication. It divides a 40 to 60 MHz TTL signal by integer values such as 2, 3 or 4. The circuit must be powered by 5 V.
This circuit is from American documentation from the 70s. This configuration appears in this...
A binary counter until 2" or a divide-by-the same value can be built by cascading n 4013...
This circuit trips when the input voltage exceeds 30 V. Its base is a DIAC and it can be used to...