This is a very useful autotransformer circuit on the bench. We found it in the September 1970 Radio Elecronics magazine. The transformer must be according to what you want to feed at the output.
The operational amplifier used in this circuit is a low voltage type from Texas Instruments, being...
Found in an English Maplin documentation from 1983, this circuit generates separate frequency...
The presented circuit consists of a double phase shift oscillator capable of generating two sine...