Power over Ethernet electrostatic discharge protection circuit
First Claim
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1. A Power over Ethernet (PoE) electrostatic discharge (ESD) protection circuit, comprising:
- a first diode having an anode coupled to a positive power port and a cathode coupled to an ESD protection port;
a second diode having an anode coupled to ground and a cathode coupled to said positive power port; and
a third diode having an anode coupled to a negative power port and a cathode coupled to said ESD protection port.
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Abstract
A Power over Ethernet electrostatic discharge protection circuit has a first diode with an anode coupled to a positive power port and a cathode coupled to an ESD protection port. A second diode has an anode coupled to ground and a cathode coupled to the positive power port. A third diode has an anode coupled to a negative power port and a cathode coupled to the ESD protection port.
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Citations
18 Claims
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1. A Power over Ethernet (PoE) electrostatic discharge (ESD) protection circuit, comprising:
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a first diode having an anode coupled to a positive power port and a cathode coupled to an ESD protection port; a second diode having an anode coupled to ground and a cathode coupled to said positive power port; and a third diode having an anode coupled to a negative power port and a cathode coupled to said ESD protection port. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A Power over Ethernet (PoE) electrostatic discharge (ESD) protection circuit, comprising:
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an Ethernet port; a diode including; a cathode; and an anode coupled to said Ethernet port; and a non-collapsible clamp coupled between said cathode and ground. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification