Using the 741 this circuit can be adjusted to values between 1 Hz and 100 kHz. The power supply must be symmetrical. We found it in the Radio Electronics magazine of November 1973.
This power inverter circuit was found in Radio Electronics magazine from December 1959....
This simple pass-through circuit was obtained in an old documentation, but it is still up to date...
This circuit was released in an Electronics Newsletter from June 1995. It uses a 10-channel...