This circuit transforms 0 and 6 V signals into -4 to 10 V signals and can be used in a shield. The circuit uses transistors that are still common today.
This one-digit photometer using CMOS circuits was found in a 1989 documentation. The circuit is...
The presented circuit generates signals in a 1:10 frequency range depending on the Ct capacitor. See the...
This circuit, from a 1988 publication, consists of a timer that activates a relay at the end of a...