This circuit obtains phase-inverted signals from a single signal. The circuit uses two LM741 integrated circuits and requires a symmetrical power supply.
This circuit detects a light window using two operating systems. The circuit is from a July 1992...
This circuit was obtained in a 70s American documentation. The integrated circuits of the time are...
-- This old oscillator takes advantage of a transistor radio output transformer of the time. The 2...