This circuit is from a 90s Popular Electronics. It consists of a power source for bass amplifiers of common types at the time that used symmetrical power and separating filters.
This constant current source is from the LM11's own factory manual used in the application. The circuit is...
This circuit, from a 1988 documentation, consists of an automatic temperature control using an NTC...
With this name we already published an interesting game. For readers who do not know, this game...