Lightning and surge protection for electronic circuits
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United States of America Patent
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Mar 6, 2018
Issued Date -
N/A
app pub date -
Dec 17, 2014
filing date -
Aug 6, 2014
priority date (Note) -
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Abstract
Lighting and surge protection circuitry for protection of a differential pair includes a diode bridge circuit having a first pair and a second pair of connections to the diode bridge circuit, with the first pair of connections configured to be coupled to a pair of differential inputs of a functional circuit and a first diode coupled between the second pair of connections; and second and third diodes coupled between the first pair of connections and ground. The lighting and surge protection circuitry also includes a diode pair coupled between an output of the functional circuit being protected and power and ground terminals and a small resistance in series with the output of the functional circuit.
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