This receiver for frequencies up to 18 MHz was found in American documentation from the 1990s. Data for coil winding is aggregated.
The circuit shown in figure 8 is an application suggestion for ISL8107, a new integrated circuit from...
This blocking oscillator that appears elsewhere on this site from other sources, was found in a...
This is a diagram of a 1958 commercial receiver. The circuit was found in documentation at the...