Bench thermometer (CB20501E)

With an ultra-low consumption, this circuit can be powered by solar cells. The circuit is from a 1991 documentation.

Touch Switch - 4066 (CB187E)
Figure bellow shows how the 4088 or 4018 can be used as a touch switch. Two metal plates separated by 1 mm...
Optical Shield for Medical Application (CB1556E)
The circuit shown in the figure is intended for medical applications where the sector in contact...
Fast RGB MUX (CB4919E)
This fast RGB multiplexer circuit was found in a Linear Technology manual from the 1990s. The...