This circuit is from an American documentation from 1975. The circuit uses components of the time which can be replaced by modern equivalents. The coupler is homemade with a lamp and a photocell.
This is the project found in a 1981 publication, but it is still viable. It is a simple AM...
August 2017 - Rectron's Schottky Barrier Diodes can now be obtained from Mouser Electronics. The...
We found this AM radio in a 1957 transistor application manual, published by Raytheon. The...