This circuit allows you to read capacitances on a common analog instrument. It is part of an article in the April 1990 Radio Electronics magazine.
This circuit was obtained in an Electronic Design from the 80's. It has the adjustment of the gain...
This circuit was obtained in a 1977 magazine, but it can still be easily assembled, as the...
This circuit uses only passive components and must be tuned to the operating range. The circuit is...