Buffer for AD converters (CB9318E)

This circuit was obtained from Linear Technology documentation from the 90's. The circuit uses company components.

Car Anti-Theft Alarm (CB18614E)
This circuit has several features, such as timing to activate and deactivate, in addition to a...
12-Bit A-D Converter (CB5025E)
This circuit was found in an Electronics World magazine from 1990. The circuit can be mounted...
20 W Amplifier 2SC492 (CB18907E)
This amplifier was found in a Japanese publication in 1972. Transistors are uncommon today, and...