Found in an ancient American documentation, this circuit can generate signals up to 40 MHz for a Z80, microcontroller widely used at the time. The circuit must be powered with 5 V and also serves as a shield.
Found in an old American documentation, this step has as input and output transformers coupling. Two...
In the figure we have a simple 5 V power supply obtained from an American documentation from the...
Found in a manufacturer documentation from the 90s, this circuit makes use of period components. The...