This configuration that appears in other points of this section was obtained in a 90’s Popular Electronics. The circuit can be applied to other operational ones.
Maxim MAX16813B 4 Channel LED Driver These Maxim Integrated LED drivers are available from Mouser...
This 20 MHz bandwidth circuit was suggested by the National Semiconductor in 1970 documentation. Modern...
This trigger circuit was found in an American documentation from the 1980s. The amplifiers used...