This circuit is from a 1980s Signetics documentation but is valid for modern operating. Next to the diagram the formulas for the calculation of the components.
This circuit was originally designed for testing crystals used in color televisions, but it works...
This circuit was obtained in a General Electric documentation from the 80's, and can be used as a...
This small AM transmitter was found in a Japanese publication from the 1960s. The coil has 20 + 80...