Found in an English publication from the 1980s, this circuit can be built with equivalent transistors such as the BC549. The signal must be applied to an external amplifier.
The operational amplifier of this circuit can be the 741. The circuit has very low consumption and can be...
Found in a 1964 Electronic Design, this circuit generates 1 A pulses with durations from 100 us to...
This circuit was obtained from an old documentation, but as it uses still current components it can be...