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Low Power Negative Car Power Supply

2015-03-18 05:15  
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I have had a lot of queries about getting a low power negative supply in cars, to power Linkwitz transform circuits and the like. There is a switchmode converter, but I must admit that it is overkill for what most people need. Another project describes how to generate an `artificial earth (ground)`, but this seems to have created more confusion than it`s worth. In addition, some readers have had a great deal of trouble - especially with the transform circuit, because it has so much bass boost. In some cases, this can lead to instability - low frequency oscillation, commonly called `motorboating` because of the sound it makes. visit page.Low Power Negative Car Power Supply - schematic