This circuit of a 1969 Electronic Design uses RTL logic. The setting can be adapted to TTL. The frequency is given by the crystal.
Mounting an oscilloscope is the dream of many of our Internet users, although it comes up against...
We found this configuration in an American 80's documentation. The circuit can be implemented with an...
We found this circuit in an American documentation from the 90s. The circuit combines functions of 4...