This circuit for voltmeter has an output of 1 V for 100 uA having been suggested by American publication of 1969. The transistors are general purpose types.
We find this circuit in a 1980s documentation. The circuit uses uncommon components today which can...
We found this circuit in a 1977 Radio Shack documentation. The circuit should be powered, for...
With the circuit shown in the figure it is possible to digitally control the gain of an...