This circuit was found in an American magazine 73 for radio amateurs of the 80s. It is an automatic transmission circuit for telegraphy. The circuit is TTL.
This circuit is nothing more than a voltage quadruplicator that can generate close to 1 000 V from the...
In the figure we have an application of an oscillator 4013 as voltage multiplier. It consists of a...
This differential amplifier, found in a 1964 Electronic Design, has a gain of 30. The setting can be...