Suggested by Philips in a 1970 publication, this circuit uses components from that time. No information is given about the trip transformer.
The advantage of this circuit lies in the fact that it does not need a negative source to generate...
This simple audio generator with the 741 was found in a 90sTexas Instruments. The circuit...
With this circuit from an old 1973 publication it is possible to use a small speaker as a...