This circuit with a dual power supply generates sinusoidal, triangular and rectangular signals. We found it in the magazine Electronics Now of January 1996. The frequency goes up to a few megahertz.
Found in an old neon lamp applications manual, this circuit directly triggers an SCR. R and C...
This 20 MHz bandwidth circuit was suggested by the National Semiconductor in 1970 documentation. Modern...
This circuit cuts out ads between songs, based on the fact that the speech signal has small...