Suggested by a 90s EDN, this circuit supports almost any LED as a source and a phototransistor as a detector. The circuit operates with a PLL 567 at a frequency of around 40 kHz.
We found this circuit in an article in Electronics Now magazine from March 1996. The frequency is limited...
This circuit provides a good audio power from a signal at least 1 V of amplitude. The MOSFET must...
This converter can be used to send information remotely from linear transducers, converting...