This fuzz effect for guitars was found in an American 1980s documentation. The transistors may be the BC549 and should be battery powered for noise sensitivity. Diodes are commonly used.
This antenna amplifier or booster for receivers from 100 kHz to 30 MHz was published in a...
Found in a 1993 Electronics Hobbyst Handbook, this passive circuit can be used with common...
This circuit was obtained from a 2005 Linear Technology application manual. The circuit is...