The figure shows how to use an operational circuit as a voltage divider. The circuit is from a Radio Electronics magazine from June 1986. The reference voltage is given by a zener diode.
We found this CMOS circuit in a 1989 documentation. The accuracy will depend on the adjustment that is...
We found this circuit in an old English documentation. The integrated circuit is of a specific type of...
This circuit was found in a 1974 English magazine. We can also assemble it using BC558 transistor for...