We find this circuit in a 1980s Linear Technology documentation. The circuit can be implemented on the basis of more modern equivalent components.
July 1017 - Maxim MAX17290 and MAX17292 PWM boost controllers can now be purchased from Mouser...
With this circuit it is possible to obtain an AND gate with large fan-in, using an operational...
The gain of the Operational Amplifier in the figure is given by the ratio between R1 and R2. In...