Buffer for AD converters (CB9318E)

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

Very High Voltage generator (CB15714E)
This circuit generates voltages of tens of thousands of volts for projects such as electrostatic filters...
Resistor voltage control (CB20758E)
This circuit was found in an old American documentation. The operational used is of the...
NiCad Charger (CB15654E)
Rechargeable Nicad batteries type AA, C or D can be recharged with this circuit, which is nothing...