This circuit has a maximum frequency of 10 kHz and a linearity better than 0.01%. The circuit is from an 80's documentation making use of integrated of the time.
November 2016 - The new Ohmite TO-126 power resistors in the range of 0.09 Ω to 51 kΩ with...
With this circuit found in an American documentation from 1969 it is possible to vary the...
This circuit was found in the June 1991 issue of Radio Electronics magazine. The circuit uses two...