We found this circuit in the Texas Instruments optoelectronics manual. Field effect transistors can be BF245 and bipolar BC548. The sensor is a photodiode in the photo-generator mode.
This simple two-transistor receiver was found in Radio Electronics magazine from September 1960....
We found this circuit in an article in Radio Electronics magazine from November 1971. The circuit has...
This single trigger circuit has been indicated for photography applications. The circuit is from a...