This is an integrated clock circuit from the time and was published in the November 173 Radio Electronics magazine. The circuit uses an AE7218 as a base for restorers.
September 2017 - The new LDOs of STMIcroelectrinics LDLN025 for currents up to 250 mA and 1.5 to...
We found this circuit, which should only be used with incandescent lamps. In the Motorola Linear...
This version operates in the opposite way to the previous one, triggering when light falls on the...