10V x 600mA Switching Regulator (CB24924E)

This step-down regulator was found in the December 1985 issue of Radio Electronics magazine. The circuit has an input voltage of 25V.

| Clique na imagem para ampliar |

Logic level indicator 7400 (CB22407E)
In the figure we have a simple logic level indicator for TTL circuits or powered by 5 V....
Low Noise Amplifier LM381 (CB25271E)
This circuit was obtained from the December 1990 issue of Radio Electronics magazine. The circuit...
Source for LASER (CB7843E)
This power supply for gas laser (HeNe) was found in a 90’s Popular Electronics. It generates from 1300...