Picoammeter (CB6192E)

This circuit was found in a 1980s Intersil documentation. The integrated circuit used is not common today. The power supply must be symmetrical.

| Clique na imagem para ampliar |

Dolby noise reducer (CB21105E)
This circuit was found in a National Semiconductor Handbook from the 1990s. The integrated circuit...
Brain Monitor (CB24359E)
This circuit was published in the January 1975 issue of Radio Electronics magazine. An article showed...
MOSFETs SuperFET III (COM034E)
It can be obtained from Mouser Electronics new superFETs III from Fairchild for voltages of 700 V...