Upon pressing the switch, the circuit generates a pulse whose duration depends on C. The transistors can be BC548 and the power can be between 1 and 6 V. The circuit is from a 1975 publication.
The circuit presented was found in the National Semiconductor Linear Applications Handbook. The...
With the circuit shown in the figure we have a frequency modulation which is produced by a...
The configurations of the two previous circuits can be modified to operate with a simple power...