This circuit uses NOR ports to generate signals up to 10 MHz, depending on the crystal. The supply can be done with voltages from 5 to 15 V and the signal generated is rectangular.
Using transistors common at the time (1960s) this amplifier with transformers in the output stage...
The integrated circuit used by SGS is not common today. The circuit is from the 1982 SGS linear...
Found in an old English publication and in other parts of this website in different versions, this...