Transmission bandwidth extender/category 6 surge protector

Patent metadata

Field	Value
Publication number	US-9570904-B2
Application number	US-201414557740-A
Country	US
Kind code	B2
Filing date	Dec 2, 2014
Priority date	Dec 13, 2013
Publication date	Feb 14, 2017
Grant date	Feb 14, 2017

Abstract

A surge protector for protecting telecommunications related equipment and other associated sensitive electrical components from over-voltage transient occurring on tip/ring conductors of telecommunication lines coupled thereto includes a printed circuit board and a plurality of surge protection circuits being mounted on the printed circuit board. Each of the plurality of surge protection circuits includes a first set of steering diodes and a second set of steering diodes. A common transient voltage clamping device has a first end connected to a first conductor lead and a second end connected to a second conductor lead so as to be shared by the plurality of surge protection circuits. A common pair of series-connected rectifier diodes has a first end also connected to the first conductor lead and a second end also connected to the second conductor lead so as to be shared by the plurality of surge protection circuits.

First claim

What is claimed is:

1. A surge protector for protecting telecommunications related equipment and other associated sensitive electrical components from over-voltage transient occurring on tip/ring conductors of telecommunication lines coupled thereto, comprising:
a printed circuit board;
a plurality of surge protection circuits being mounted on said printed circuit board;
each of said plurality of surge protection circuits including a first set of steering diodes and a second set of steering diodes;
each of said first set of steering diodes including a first pair of series connected diodes and a second pair of series-connected diodes;
said first pair of series-connected diodes having a first end connected to a first conductor lead and a second end, said second pair of series-connected diodes having a first end connected to a second conductor lead and a second end connected to the second end of said first pair of series-connected diodes and to a respective tip node;
each of said second set of steering diodes including a third pair of series-connected diodes and a fourth pair of series-connected diodes;
said third pair of series-connected diodes having a first end connected to said first conductor lead and a second end, said fourth pair of series-connected diodes having a first end connected to said second conductor lead and a second end connected to the second end of said third pair of series-connected diodes and to a respective ring node;

a common transient voltage clamping device having a first end connected to said first conductor lead and a second end connected to said second conductor lead so as to be shared by said plurality of surge protection circuits;
a common pair of series-connected rectifier diodes having a first end also connected to said first conductor lead and a second end also connected to said second conductor lead so as to be shared by said plurality of surge protection circuits;
an input side connector device coupled to the respective tip and ring nodes for connecting to incoming telecommunication lines; and
an output side connector device coupled to the respective tip and ring nodes for connecting to customers' electrical equipment to be protected, the ratio of the width of tip and ring conductive traces on the printed circuit board to the distance of separation between the tip conductive trace and the ring conductive trace being 1:1 so as to reduce transmission loss.

2. A surge protector as claimed in claim 1 , wherein said input side connector device consists of a RJ-45 jack connector.

3. A surge protector as claimed in claim 2 , wherein said output side connector device consist of a RJ-45 jack connector.

4. A surge protector as claimed in claim 1 , wherein each of said first set of steering diodes is formed of a high-speed, low capacitance diode.

5. A surge protector as claimed in claim 4 , wherein each of said second set of steering diodes is formed of a high-speed, low capacitance diode.

6. A surge protector as claimed in claim 5 , wherein said common transient voltage clamping device is formed of a Transient Voltage Semiconductor (TVS) clamping device.

7. A surge protector as claimed in claim 1 , wherein said tip and ring conductive traces are substantially equal in length so as to provide low transmission loss.

8. A surge protector as claimed in claim 7 , further comprising a common ground lead connected to said common pair of series-connected rectifier diodes for providing connection to a protective earth ground located at a customers' premises.

9. A surge protector for protecting telecommunications related equipment and other associated sensitive electrical components from over-voltage transient occurring on four differential-pairs of tip and ring conductors of telecommunication lines coupled thereto, comprising:
a printed circuit board;
four surge protection circuits being mounted on said printed circuit board;
each of said four surge protection circuits including a first set of steering diodes and a second set of steering diodes;
each of said first set of steering diodes including a first pair of series connected diodes and a second pair of series-connected diodes;
said first pair of series-connected diodes having a first end connected to a first conductor lead and a second end, said second pair of series-connected diodes having a first end connected to a second conductor lead and a second end connected to the second
end of said first pair of series-connected diodes and to a respective tip node;
each of said second set of steering diodes including a third pair of series connected diodes and a fourth pair of series connected diodes;
said third pair of series-connected diodes having a first end connected to said first conductor lead and a second end, said fourth pair of series-connected diodes having a first end connected to said second conductor lead and a second end connected to the second end of said third pair of series connected diodes and to a respective ring node;

a common transient voltage clamping device having a first end connected to said first conductor lead and a second end connected to said second conductor lead so as to be shared by said four surge protection circuits;
a common pair of series-connected rectifier diodes having a first end also connected to said first conductor lead and a second end also connected to said second conductor lead so as to be shared by said four surge protection circuits;
an input side connector device coupled to the respective tip and ring nodes for connecting to incoming telecommunication lines; and
an output side connector device coupled to the respective tip and ring nodes for connecting to customers' electrical equipment to be protected, the ratio of the width of tip and ring conductive traces on the printed circuit board to the distance of separation between the tip conductive trace and the ring conductive trace being 1:1 so as to reduce transmission loss.

10. A surge protector as claimed in claim 9 , wherein said input side connector device consist of a RJ-45 jack connector.

11. A surge protector as claimed in claim 10 , wherein said output side connector device consist of a RJ-45 jack connector.

12. A surge protector as claimed in claim 9 , wherein each of said first set of steering diodes is formed of a high-speed, low capacitance diode.

13. A surge protector as claimed in claim 12 , wherein each of said second set of steering diodes is formed of a high-speed, low capacitance diode.

14. A surge protector as claimed in claim 13 , wherein each of said voltage clamping devices is formed of a Transient Voltage Semiconductor (TVS) clamping device.

15. A surge protector as claimed in claim 9 , wherein said tip and ring conductive traces are substantially equal in length so as to provide low transmission loss.

16. A surge protector for protecting telecommunications related equipment and other associated sensitive electrical components from over voltage transient occurring on tip/ring conductors of telecommunication lines coupled thereto, comprising:
at least one surge protection circuit;
said at least one surge protection circuit including a first set of steering diodes and second set of steering diodes;
each of said first set of steering diodes including a first pair of series connected diodes and a second pair of series connected diodes;
said first pair of series-connected diodes having a first end connected to a first conductor lead and a second end, said
second pair of series-connected diodes having a first end connected to a second conductor lead and a second end connected to the second end of

Assignees

• Illinois Tool Works

Inventors

• Araujo Ortega Adrian
• Urban Richard J

Classifications

• H02H7/20 Primary

  for electronic equipment (for converters H02H7/10; for electric measuring instruments G01R1/36; for DC voltage or current semiconductor regulators G05F1/569; for amplifiers H03F1/52; for electronic switching circuits H03K17/08) · CPC title

• H04M1/745 Primary

  Protection devices or circuits for voltages surges on the line · CPC title

• H02H3/22

  of short duration, e.g. lightning · CPC title