Zetex Plc

Alan James Dodd

Joseph Andrew Jenkins

Anthony Philip Sullivan

A switching circuit () comprising first and second switch terminals () and a switch (). The switch () comprises a first bipolar transistor (), having a collector connected to the first switch terminal () and an emitter connected to the second switch terminal (), and a second bipolar transistor (), having an emitter connected to the first switch terminal () and a collector connected to the second switch terminal (). The switch () can be turned on by supply of a control current to the base of either the first or the second bipolar transistor.

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Oldham, United Kingdom

Alan James Dodd