The integrated circuit used in this' 90s amplifier is not very common today. The supply is 24 V, the gain is 50dB and the input resistance is 100 k. The circuit is from an old circuit manual.
This circuit aims to recover batteries that are no longer fully charged due to the memory effect. We...
We found this circuit in the April 1993 Electronics Now magazine. Almost any general-purpose JFET...
We found this circuit in the July 1992 issue of Radio Electronics magazine. An optical system...