This circuit incorporates the passive control of the previous circuit and was also found in the March 1995 Electronics Now magazine. The power supply must be symmetrical.
This circuit was suggested by Philips in 1967 documentation. The circuit receives modulated light and has...
This circuit is from a 1965 Electronic Design. The transistors may be general purpose and the...
Hughes suggests this circuit in a 1968 documentation. The circuit uses old transistors that can be...