LCD display driver (CB7558E)

This LCD driver circuit uses a common component today. The circuit is from 90's documentation.

JFET stage (CB6967E)
This circuit was obtained from ancient American documentation. The circuit combines a JFET with a...
Positive or Negative Voltage Doubler (CB1229E)
In the figure we have an application of an oscillator 4013 as voltage multiplier. It consists of a...
Precision analog multiplier (CB7393E)
Found in Linear Technology documentation from the 1980s, this circuit has an accuracy of 0.01%....