Photometer (CB7360E)

This 1964 Electronic Design circuit uses a photo-FET as a sensor. The component is rare today.

| Clique na imagem para ampliar |

Battery Charger with the TL317M II (CB1247E)
This circuit is in the very datasheet of Texas Instruments that manufactures the component...
MRF1K50H 1500W Power RF Transistor (COM047E)
It can be obtained from Mouser Electronics the new 1,500 W RF high power transistor MRF1K50H fro m...
Proximity Relay (CB25343E)
This proximity relay circuit was found in the July 1990 Radio Electronics magazine. The supply...