This 80's circuit has been winning. It is a 1 000 gain sample and hold circuit and an offset current setting. The configuration can be adapted to operate with modern equivalent components.
This circuit was found the Optoelectronics Sourcebook by Texas Instruments. Any phototransistor...
Applying an operational of the time, this circuit of an old documentation can be elaborated with modern...
This circuit appears on the site in several variations depending on the source. This is from a...