This circuit is suitable for automotive signaling applications. The integrated circuit is not common today. The circuit is from an 80's documentation.
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...