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 is from a 1970 General Electric documentation. It can be found with variations on this...
This circuit was found in a General Electric documentation from 1970. It is used in an optical...
This circuit was found in a Signetics documentation from the 1980s. The integrated is a PLL and...