We found this interesting circuit in a 1969 American documentation. It shows a solution with transistors for limiting surges in an alternating current power line.
This mechanical reverberator circuit for guitar was found in the February 1970 issue of Radio...
This circuit generates high pulses from a sinusoidal input, using SCRs for this purpose. The...
September 2016 - It can be purchased from Mouser Electronics the new ultraviolet high power LEDs...