We found this circuit in an American publication from 1977. The circuit drives two LEDs according to the control of the inputs. The technology is TTL requiring 5 V to power supply.
This circuit is from a 1970 publication. The time constant is given by 1.3R x C where R is the...
This oscillator can generate signals up to a few megahertz depending on the crystal used. Actually...
This circuit was obtained from a Popular Electronics of 1994. The magazine no longer exists in its...