This Wien bridge oscillator was found in Radio Electronics from the 90s. The circuit uses the 741 which is a current component. The circuit requires a symmetrical power source.
This is a commercial circuit found in Radio Electronics magazine from September 1960. The circuit has...
We find this vibrato configuration with transistors in a 1987 documentation. The components are still...
The consumption of this circuit in the standby condition is only 1 uA. The circuit must be...