We found this circuit in a 1971 documentation. The circuit can be assembled with more modern transistors such as BC548 for Q1, BC558 for Q2 and BD135 for Q3.
The sophisticated white noise generator we present uses four 741 operational amplifiers. The...
This circuit, found in a 1994 documentation, uses 20 A 2N5448 triacs or equivalent and should be...
We found this circuit in a 1994 documentation. It was originally created to be used as a sign for...