This configuration was found in an American publication from the 90s. Operators admit equivalents just like transistors. The circuit does not require a symmetrical source.
We found this circuit in a 1977 Radio Handbook. The JFET can be of any type and the adj can have...
This double-T sine wave oscillator was found in the December 1995 issue of Electronics Now...
This limit alarm was found in a 1980s US documentation. Comparators can be equivalent and the...