PCT No. PCT/SE96/00242 Sec. 371 Date Aug. 27, 1997 Sec. 102(e) Date Aug. 27, 1997 PCT Filed Feb. 22, 1996 PCT Pub. No. WO96/27211 PCT Pub. Date Sep. 6, 1996A device for performing voltage conversion in an integrated circuit comprising a plurality of different components, one or more of which requires a voltage which differs from the supply voltage of the integrated circuit has two circuits. The first circuit is designed to convert a first voltage into an optical signal, which is emitted from at least one element in the first circuit. The second circuit has one or more photosensitive elements, which are designed to receive the optical signal and convert the optical signal into a second voltage that is different and electrically isolated from the first voltage.
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