This circuit for the 3 to 6 MHz band was found in a 90s Popular Electronics. The components of the network formed by C6 depend on the frequency range to be covered.
This circuit generates signals of different waveforms thanks to the use of a relaxation...
This converter converts signals from the 50 MHz band to the AM band, making it possible to receive...
This circuit appears in various parts of this site and this section, with diverse origins. This is from...