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A report is presented on the design and measurement of one of the first dual DC-DC upconverters implemented in an organic thin-film technology on foil providing output voltages beyond the upper and lower power supply voltages. The converter generates bias voltages around +50 and −40 V from a 20 V power supply. The upconverted voltage range is sufficient to bias backgates of transistors in dual-gate thin-film transistor technologies, which improves the reliability of analogue as well as digital thin-film circuits.
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Marien et al. (2011) studied this question.
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