This circuit was found in documentation from Analog Devices from the 90s. The circuit uses components from that time, which are not common today. It serves as a reference.
This circuit is of great use today, when solar energy is becoming increasingly important. The...
In figure we have an interesting circuit in which an LED is used as a photoelectric sensor. When...
This circuit is from an old English documentation. It is intended for coupling a microphone to the...