WO2007121148A3 - Network devices for separating power and data signals - Google Patents

Network devices for separating power and data signals Download PDF

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Publication number
WO2007121148A3
WO2007121148A3 PCT/US2007/066270 US2007066270W WO2007121148A3 WO 2007121148 A3 WO2007121148 A3 WO 2007121148A3 US 2007066270 W US2007066270 W US 2007066270W WO 2007121148 A3 WO2007121148 A3 WO 2007121148A3
Authority
WO
WIPO (PCT)
Prior art keywords
data signals
coupled
network devices
phy
module
Prior art date
Application number
PCT/US2007/066270
Other languages
French (fr)
Other versions
WO2007121148A2 (en
Inventor
John R Camagna
Philip Crawley
Amit Gattani
Sajol Ghoshal
Original Assignee
Akros Silicon Inc
John R Camagna
Philip Crawley
Amit Gattani
Sajol Ghoshal
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US11/279,322 external-priority patent/US7560825B2/en
Priority claimed from US11/435,672 external-priority patent/US20070071112A1/en
Application filed by Akros Silicon Inc, John R Camagna, Philip Crawley, Amit Gattani, Sajol Ghoshal filed Critical Akros Silicon Inc
Publication of WO2007121148A2 publication Critical patent/WO2007121148A2/en
Publication of WO2007121148A3 publication Critical patent/WO2007121148A3/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/10—Current supply arrangements

Abstract

Embodiments disclosed herein provide a network device comprises a transformer with a primary winding and a secondary winding. The primary winding is coupled to receive input signals from a network connector and supply data signals to a physical layer (PHY) module. An inductance boost circuit is coupled to the secondary winding and operable to increase the impedance of the primary winding. In other embodiments, a network device comprises an autotransformer coupled to receive input signals from a network connector and supply data signals to a physical layer (PHY) module. An electronic load coupled in parallel between the autotransformer and the PHY layer module.
PCT/US2007/066270 2006-04-11 2007-04-09 Network devices for separating power and data signals WO2007121148A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US11/279,322 2006-04-11
US11/279,322 US7560825B2 (en) 2006-04-11 2006-04-11 Network devices for separating power and data signals
US11/435,672 2006-05-16
US11/435,672 US20070071112A1 (en) 2005-08-19 2006-05-16 Active EMI suppression circuit

Publications (2)

Publication Number Publication Date
WO2007121148A2 WO2007121148A2 (en) 2007-10-25
WO2007121148A3 true WO2007121148A3 (en) 2008-07-24

Family

ID=38610318

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/066270 WO2007121148A2 (en) 2006-04-11 2007-04-09 Network devices for separating power and data signals

Country Status (1)

Country Link
WO (1) WO2007121148A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITAN20110029A1 (en) * 2011-03-01 2012-09-02 Stefano Marchetti INTEGRATED TELE-POWER SUPPLY SYSTEM FOR BANDWIDE BIDIRECTIONAL TRANSMISSIONS
US8854085B1 (en) * 2013-05-08 2014-10-07 Texas Instruments Incorporated Method and apparatus for cancellation of the second harmonic in a differential sampling circuit
TWI693511B (en) 2015-08-25 2020-05-11 美商莫仕有限公司 Communication node
CN109076266B (en) * 2016-03-01 2021-06-25 莫列斯有限公司 Communication node
CN109313241B (en) * 2016-05-19 2021-12-07 昕诺飞控股有限公司 Evaluation of power supply mode for DC powered device
TWI677206B (en) * 2018-04-03 2019-11-11 瑞昱半導體股份有限公司 Ethernet communication circuit capable of avoiding physical layer circuit from crash caused by surge event
CN109672540A (en) * 2018-11-13 2019-04-23 深圳市捷高电子科技有限公司 A method of prevent POE equipment from leading to equipment damage because of network line sequence wrong
US11240061B2 (en) 2019-06-03 2022-02-01 Progress Rail Locomotive Inc. Methods and systems for controlling locomotives
CN114500125B (en) * 2022-01-21 2022-12-16 珠海格力电器股份有限公司 Power supply and communication assembly, system and communication equipment
CN116679794A (en) * 2022-02-22 2023-09-01 微芯片技术股份有限公司 Protecting a circuit from an input voltage

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6640308B1 (en) * 1999-04-16 2003-10-28 Invensys Systems, Inc. System and method of powering and communicating field ethernet device for an instrumentation and control using a single pair of powered ethernet wire
US20040239465A1 (en) * 2003-05-21 2004-12-02 Bel Fuse, Inc. LAN magnetic interface circuit
US20060119478A1 (en) * 2004-11-03 2006-06-08 Cisco Technology, Inc. A California Corporation Current imbalance compensation for magnetics in a wired data telecommunications network
US20060238252A1 (en) * 2005-03-28 2006-10-26 Akros Silicon, Inc. Network device with power potential rectifier
US7148659B2 (en) * 2003-06-20 2006-12-12 Comarco Wireless Technologies, Inc. Programmable AC/DC power supply
US7203851B1 (en) * 2001-04-03 2007-04-10 Marvell International Ltd. Method and apparatus for detecting and supplying power by a first network device to a second network device
US7299368B2 (en) * 2003-10-16 2007-11-20 Microsemi Corp.-Analog Mixed Signal Group Ltd. High power architecture for power over Ethernet
US7355416B1 (en) * 2007-01-07 2008-04-08 Microsemi Corp.- Analog Mixed Signal Group Ltd. Measurement of cable quality by power over ethernet
US7363525B2 (en) * 2004-10-07 2008-04-22 Cisco Technology, Inc. Bidirectional inline power port

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6640308B1 (en) * 1999-04-16 2003-10-28 Invensys Systems, Inc. System and method of powering and communicating field ethernet device for an instrumentation and control using a single pair of powered ethernet wire
US7203851B1 (en) * 2001-04-03 2007-04-10 Marvell International Ltd. Method and apparatus for detecting and supplying power by a first network device to a second network device
US20040239465A1 (en) * 2003-05-21 2004-12-02 Bel Fuse, Inc. LAN magnetic interface circuit
US7148659B2 (en) * 2003-06-20 2006-12-12 Comarco Wireless Technologies, Inc. Programmable AC/DC power supply
US7299368B2 (en) * 2003-10-16 2007-11-20 Microsemi Corp.-Analog Mixed Signal Group Ltd. High power architecture for power over Ethernet
US7363525B2 (en) * 2004-10-07 2008-04-22 Cisco Technology, Inc. Bidirectional inline power port
US20060119478A1 (en) * 2004-11-03 2006-06-08 Cisco Technology, Inc. A California Corporation Current imbalance compensation for magnetics in a wired data telecommunications network
US20060238252A1 (en) * 2005-03-28 2006-10-26 Akros Silicon, Inc. Network device with power potential rectifier
US7355416B1 (en) * 2007-01-07 2008-04-08 Microsemi Corp.- Analog Mixed Signal Group Ltd. Measurement of cable quality by power over ethernet

Also Published As

Publication number Publication date
WO2007121148A2 (en) 2007-10-25

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