This 5 V power supply was found in the January 1992 issue of Radio Electronics magazine. The integrated circuit must be equipped with a heat sink and the current is 1 A.
This circuit was found in a 1967 Philips documentation. The circuit fires when light stops hitting the...
We found this circuit in a 1990 documentation. It draws one out of 10 numbers and during the draw...
This preamplifier for magnetic cartridges was found in the February 1990 issue of Radio...