We found this circuit in an English publication from the 1980s. The circuit uses current components and can be tuned for frequencies between 300 and 1500 Hz.
This circuit supplies voltages from 6 to 18 V with a maximum current of 2 A. We found it in a...
This circuit was suggested by Signetics in 1980s documentation. The circuit makes use of the...
This circuit was found in the SGS manual of linear integrated circuits of 1982. The integrated circuit...