Found in a 1970 American publication, this circuit uses transistors of the time. These transistors may be replaced by current equivalents. The factor Q is greater than 3 000.
Found in a Popular Electronics from the 90s, this circuit generates a signal that depends on the...
This converter converts signals from the 50 MHz band to the AM band, making it possible to receive...
Found in American documentation, this circuit aims to produce pulses of certain durations from smaller...