The circuit shown is from the November 1996 Electronics Now magazine. The basic circuit is in the previous 3 sections of this section. The circuit measures resistances up to 2M ohms.
With changes, this circuit from a documentation of the 70s, can be adapted to use more modern...
Found in a 1968 EEE, this switch controls a high-power load from an audio signal. The current is...
In this circuit the gain decreases as the input signal intensity increases. The circuit is from a...