Found in old American documentation, this circuit can use crystals between 27.5 and 33 MHz operating on the third harmonic. The transistor admits equivalent.
This circuit can be used with TTL or CMOS circuits with slightly higher voltage supply. The...
This integrated circuit made it possible to build simple radios with few external components. It...
This circuit is from American documentation from the 70s. The circuit makes use of the operating system...