This circuit with low-slip characteristics uses an operating system that is not very common today. The circuit can be designed with more modern operational and equivalent FETs.
This circuit was found in ancient American documentation. It provides a 70 Vpp signal at...
The figure shows a Wien Bridge circuit with non-linear feedback. The resistance of the RL lamp is...
Found in documentation for radio amateurs of the 70's, this circuit generates signals from 18 to 24...