This 555-based circuit was obtained from the 1995 Encyclopedia of Electronic Circuits volume 5. It triggers an SCR when the transistor is cut off.
Intended for amplification of signals in the 1.7 MHz to 1 30 MHz range, this circuit uses a dual...
This circuit was found in a Popular Electronics from the 90s applying to common automotive...
This circuit of a Popular Electronics from the 90s makes use of components of the time. The...