This configuration was found in the Texas Instruments optoelectronics manual. PNP transistors support equivalents and the phot transistor does.
This amplifier provides a power near to 1W. The supply must be made with a voltage of 9 V coming...
Maxim MAX20333 Adjustable Current Limit Switches Maxim Integrated makes available from Mouser...
We found this source with the CI 723, common at the time, in a 1989 paper. Power transistors must be...