This bench circuit was found in Radio Electronics magazine from December 1957. The circuit generates signals in bands that depend on the coils.
This circuit was found in an American 1980s documentation. The components are current but most...
Found in a Popular Electronics from the 90s, this circuit applies to flashes with xenon lamps. The...
Found in old documentation for radio amateurs, this circuit is intended to excite a MOSFET on the...