Found in a Linear Technology documentation from the 1990s, this circuit has the voltage adjusted by resistors R1 and R2 according to the formula given in the diagram.
This circuit was obtained from Radio Electronics from the 90s. The infrared sensor is of an...
The sensor in this circuit is a common transistor like the BC548. The circuit is from a 1979...
Although the UAA170 is not a common component today, the circuit shows how it can be used in a...