This trigger circuit was found in an American documentation from the 1980s. The amplifiers used can be replaced by equivalents with characteristics according to the frequency.
This amplifier for distributing audio signals appears in other articles on this website and even...
This circuit was found in a 1964 MOSFET applications manual. The circuit uses period general...
This circuit works only with incandescent lamps, timing its activation at intervals that depend on C1....