Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Lorenzo Crespi0
Christian Larsen0
Date of Patent
December 6, 2016
0Patent Application Number
140170370
Date Filed
September 3, 2013
0Patent Primary Examiner
Patent abstract
A grounding switch is described which operates properly even in the presence of negative voltages on a signal line. The grounding switch uses isolated field effect transistors that have their substrates tied to different voltages. The isolated field effect transistor has a gate voltage and substrate voltage which can be pulled down to a negative voltage when the signal line has a negative voltage allowing the switch to remain open even with a negative voltage.
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