Home Signal-integrity and power-integrity literature, web links, June 2010

Books on signal integrity, power integrity, EMC:

Joffe, Lock: Grounds for Grounding. Wiley-IEEE, 2010.

Paul G. Huray: The Foundations of Signal Integrity. Wiley-IEEE, 2010.

Henry W Ott: Electromagnetic Compatibility Engineering. Wiley Interscience, 2009

Stephen Hall, Howard Heck: Advanced Signal Integrity for High-Speed Digital Designs. IEEE-Wiley, 2009.

Mike Resso, Eric Bogatin: Signal Integrity Characterization Techniques.  IEC, 2009.

Istvan Novak: Power Distribution Network Design Methodologies.  IEC, May 2008.

Stauffer, Mechler, Sorna, Dramstad, Ogilvie, Mohammad, Rockrohr: High Speed Serdes Devices and Applications. Springer 2008.

Cosmin Iorga: Noise Coupling in Integrated Circuits. NoiseCoupling.com, 2008.

Christophe P. Basso: Switch-Mode Power Supplies. McGraw Hill, 2008.

Popovich, Mezhiba, Friedman: Power Distribution Networks with On-Chip Decoupling Capacitors.  Kluwer Academic Publishers 2008.

Dennis Derickson, Marcus Muller: Digital Communications Test and Measurement. Prentice Hall, January 2008.

Madhavan Swaminathan, Ege Engin: Power Integrity Modeling and Design for Semiconductors and Systems.  Prentice Hall, December 2007.

Mike P. Li: Jitter, Noise, and Signal Integrity at High-speed.  Prentice Hall, November 2007.

Greg Edlund: Timing Analysis and Simulation for Signal Integrity Engineers.  Prentice Hall, November 2007.

Istvan Novak, Jason R. Miller: Frequency Domain Characterization of Power Distribution Networks.  Artech House, Boston, 2007.

Mike P. Li: Design and Test for Multiple Gbps Communication Devices and Systems. Professional Education International, Inc., IEC, 2005.

K. Barry A. Williams: Designing Power Distribution Systems for Electronic Circuits. Aikman Engineering LLC, 2005.

David M. Pozar: Microwave Engineering. John Wiley & Sons, Inc., 2005.

Mezhiba, Friedman: Power distribution networks in high speed integrated circuits.  Kluwer Academic Publishers, 2004

Dennis Miller: Designing High-Speed Interconnect Circuits.  Intel Press, 2004.

John R. Barnes: Robust Electronic Design Reference Book, Volume I and II.  Kluwer Academic Publishers, 2004.

Stephen C. Thierauf: High-Speed Circuit Board Signal Integrity.  Artech House, Norwood, MA, 2004.

Tom Granberg: Handbook of Digital Techniques for High-Speed Design.  Prentice Hall, 2004.

F. W. Grover: Inductance Calculations. Dover Phoenix Editions, 2004.

Eric Bogatin: Signal Integrity – Simplified. Prentice Hall, New Jersey, 2004.

Howard Johnson, Martin Graham: High-Speed Signal Propagation – Advanced Black Magic. Prentice Hall, New Jersey, 2003.

Douglas Brooks: Signal Integrity Issues and Printed Circuit Board Design. Prentice Hall, New Jersey, 2003.

Fang Lin Luo, Hong Ye: Advanced DC/DC Converters. CRC Press, London, 2003.

Lee W. Ritchey, John Zasio: Right the First Time – A Practical Handbook on High Speed PCB and System Design, Volume One.  Speeding Edge, Summer 2003.

Chi Kong Tse: Complex Behavior of Switching Power Converters.  CRC Press, London, 2003.

Daniel G. Swanson, Wolfgang J.R. Hoefer: Microwave Circuit Modeling Using Electromagnetic Field Simulation.  Artech House, Norwood, MA, 2003.

Richard K. Ulrich, Leonard W. Schaper: Integrated Passive Component Technology.  IEEE Press and John Wiley Interscience, 2003.

Les Besser, Rowan Gilmore: Practical RF Circuit Design for Modern Wireless Systems, Volume I, Volume II.  Artech House, Norwood, MA, 2003.

Bruce R. Archambeault, James Drewniak: PCB Design for Real-World EMI Control. The Springer International Series in Engineering and Computer Science, July 2002.

Ron Schmitt: Electromagnetics Explained.  Newness Elsevier-Science, 2002.

Bruce R. Archambeault, Omar M. Ramahi, Colin Brench: EMI/EMC Computational Modeling Handbook (2nd Edition) The Springer International Series in Engineering and Computer Science, August 2001.

Stephen Hall, Garrett Hall, James McCall: High-Speed Digital System Design, A handbook of Interconnect Theory and Design Practices. John Wiley and Sons, Inc. New York, 2000.

Brian Young: Digital Signal Integrity: Modeling and Simulation with Interconnects and Packages.  Prentice Hall, Inc., NJ, 2000.

Mark I. Montrose: EMC and the Printed Circuit Board – Design, Theory, and Layout Made Simple.  IEEE Press, New York, 1999.

Hartmut Grabinski, Petra Nordholz: Signal Propagation on Interconnects.  Kluwer Academic Publisher, Boston, 1998.

Masakozu Shoji: High Speed Digital Circuits.  Addision Wesley, 1997.

Don White: The EMC Desk Reference Encyclopedia, EMF-EMI Control, Inc., 1998.

Mark I. Montrose: Printed Circuit Design Techniques for EMC Compliance. IEEE Press, 1996.

Tocci, Caulfield: Optical Interconnection, Foundations and Applications.  Artech House, 1996.

James E. Buchanan: Signal and Power Integrity in Digital Systems: TTL, CMOS, and BiCMOS.  McGraw-Hill, 1996.

Anatoly Tsaliovich: Cable Shielding for Electromagnetic Compatibility.  Van Nostrand Reinhold, 1995.

Christos Christopoulos: Principles and Techniques of Electromagnetic Compatibility, CRC Press, 1995

Johnson, Graham: High-Speed Digital Design.  A Handbook of Black Magic.  Prentice Hall, 1994.

Ashok K. Goel: High-Speed VLSI Interconnections.  Wiley Interscience, New York, 1994.

Simon Ramo, John R. Whinnery, Theodore Van Duzer: Fields and Waves in Communication Electronics. John Wiley & Sons, Inc., 1994

H. Bakoglu: Circuits, Interconnections, and Packaging for VLSI. Addison Wesley, 1993.

Clayton R. Paul: Introduction to Electromagnetic Compatibility.  John Wiley, 1992.

Brian C. Wadell: Transmission Line Design Handbook.  Artech House, 1991.

Charles S. Walker:  Capacitance, Inductance, and Crosstalk Analysis.  Artech House, 1990.

E. H. Fooks, R. A. Zakarevicius:  Microwave Engineering Using Microstrip Circuits.  Prentice Hall, 1990.

R. Djordjevic, T.K. Sarkar, R. F. Harrington, B. Bazdar: Time-Domain Response of Multiconductor Transmission Lines;  Software and User's Manual.  Artech House, 1989.

A. R. Djordjevic, T.K. Sarkar, R. F. Harrington, B. Bazdar: Matrix Parameters for Multiconductor Transmission Lines; Software and User's Manual.  Artech House, 1989.

Fred E. Gardiol: Lossy Transmission Lines.  Artech House, 1987.

Keiser: Principles of Electromagnetic Compatibility, third edition, Artech House, 1987

Takanori Okoshi: Planar Circuits for Microwaves and Lightwaves, Springer-Verlag, Berlin, 1985

H.W. Ott: Noise Reduction Techniques in Electronic Systems, second edition . John Wiley Interscience, NY, 1988.

R. E. Matick:  Transmission Lines for Digital and Communication Networks.  McGraw-Hill Book Company, 1975.

H. Howe, Jr.:  Stripline Circuit Design.  Artech House, 1974.

Georges Metzger, Jean-Paul Vabre:  Transmission Lines with Pulse Excitation.  Academic Press, 1969.

WEB links (tested as of June 2010):

Knowledge data bases:

SI e-mail reflector/list (SI-List) archive: http://www.freelists.org/archives/si-list/

ChipCenter: http://www.chipcenter.com/

CrossTalk Magazine (Timothy Coyle): www.xrosstalkmag.com

Epsilon Group at GeorgiaTech (Madhavan Swaminathan): http://www.ece.gatech.edu/research/labs/hppdl/Epsilon2007/

Unofficial HFSS User Forum: http://www.hfss-forum.com/

GigaTest Lab: http://www.gigatest.com/

Bogatin Enterprises, (Eric Bogatin):  www.BeTheSignal.com

UltraCAD Design Inc, (Douglas Brooks): http://www.ultracad.com/

Schelto van Dorn’s webpage on the physical layer of high-speed digital interconnect standards: http://www.schelto.com/

Henry Ott Consultants, (Henry Ott, EMC): http://www.hottconsultants.com/

High Speed Digital Design (Dr. Howard Johnson): http://www.sigcon.com

Electrical Integrity (Istvan Novak): http://www.electrical-integrity.com

The Speeding Edge (Lee Ritchey): http://www.speedingedge.com/

North East Systems Associates, Inc (Dr. Edward Sayre): http://www.nesa.com/

EMC and ESD webpage (Doug Smith): http://emcesd.com/

Systems Electromagnetic Compatibility (Michael King): http://www.systemsemc.com

EMF-EMI Control Inc., (Don White): http://www.ieee-houston.org/Ads/DonWhite/DonWhite.htm

DBi Corporation (John Barnes): http://www.dbicorporation.com/

SI Blog (Colin Warwick): http://signal-integrity-tips.com

Agilent Test and Measurement Application Note center: http://www.tm.agilent.com/

VNA HELP: http://vnahelp.com/index.html

Texas Instruments Application Note center: http://www.ti.com/sc/docs/apps/index.htm

National Semiconductor Application Note center: http://www.national.com/apnotes/

IPC (Institute for Interconnecting and Packaging Electronic Circuits): http://www.ipc.org/

IBM Microelectronics technical library: http://www.chips.ibm.com/techlib/

IBM patent library: http://www.delphion.com/

European Patent Office: http://ep.espacenet.com/

US Patent Office: http://www.uspto.gov/

Free Patents Online: http://www.freepatentsonline.com/

CircuiTree magazine: http://www.circuitree.com/

EDN Magazine: http://www.reed-electronics.com/ednmag/

EE Times magazine: http://www.eetimes.com/

Printed Circuit Design and Manufacture Magazine (formerly also Printed Circuit Fab): http://pcdandm.com/cms/

CAD tools:

Ansoft (merged with Ansys):  http://www.ansoft.com/ Designer, HFSS, Nexxim, Q3D Extractor, SiWave

APLAC (marketed by AWR):   http://web.awrcorp.com/ RF Design Tool

Applied Simulation Technology:  http://www.apsimtech.com/ ApsimSPE, ApsimRLGC, ApsimSI - PCB, ApsimIBIS-LCR 2, ApsimSI - IC, ApsimLPG, ApsimPI-LSI, ApsimIBIS-Took Kit, ApsimFDTD, ApsimSPAR, ApsimFDTD-SPICE, ApsimPLANE , ApsimFDTD-SPAR, ApsimCAP3-D , ApsimRADIA, ApsimMPG, ApsimRADIA-WB, ApsimIBIS-Translator, ApsimDELTA-I, ApsimTSG, ApsimSPICE, ApsimOMNI, ApsimR-PATH, ApsimLCD

Applied Wave Research, Inc.:  http://web.awrcorp.com/ Analog Office, Visual System Simulator, Microwave Office

Agilent: http://www.agilent.com/find/signal-integrity ADS, Ptolemy, Momentum

AtSpeed:  http://www.atspeed.net/products.html Oculus channel simulator (not updated since 2003)

Cadence:  http://www.cadence.com/us/pages/default.aspx Advanced Package, Allegro, SPECCTRAQuest, SPECCTRA, PSpice Studio, OrCAD

DesignSoft:  http://www.tina.com/ TINA SPICE circuit simulator

E-System Design Inc.: http://www.e-systemdesign.com/products.aspx Sphinx 2 frequency domain solver for packages and boards

Faustus Scientific Corp.:  http://www.faustcorp.com/ MEFiSTo-2D Plus, MEFiSTo-3D Pro

IdemWorks: www.idemworks.com  IdEM Identification of Electrical Macromodels

IBM:  http://www.alphaworks.ibm.com/tech/eip MOM electromagnetic tools for DC resistance and R(f), C(f), L(f) causal solutions

Intusoft:  http://www.intusoft.com/ ICAP/4 8.x.11

Mentor Graphiccs:  http://www.mentorgraphics.com/products/ ICX/TAU, Hyperlinx LineSim, Hyperlinx BoardSim, Quiet Expert

OptEM:  http://www.optem.com/ OptEM Inspector, OptEM Connector, OptEM Cable Designer, OptEM Package, OptEM Interconnect Designer

Physware: http://physware.com/solutions.php HSPICE plug-in field solver

Polar Instruments:  http://www.polarinstruments.com/ Si9000e (Field solver), ToneOhm (short locator)

Quantic EMC Inc.: http://www.quantic-emc.com/ BoardScan, Greenfield 2d Two-dimensional solver for complex geometries, Phidias Modelling Tool (IBIS)

Sigrity:  http://www.sigrity.com/ OptimizePI, PowerDC, XtractIM, PowerSI, Broadband SPICE, SPEED2000, Unified Package Designer (UPD)

Simbeor: http://www.simberian.com/ (3D field solver)

SiSoft:  http://www.sisoft.com/ Quantum SI, Quantum Channel Designer

Sonnet:  http://www.sonnetsoftware.com/ Sonnet 3D Full-wave field solver, CST Microwave Studio

Synopsys (formerly Avant! (formerly Metasoftware Inc.)): http://www.synopsys.com/ HSPICE

Tektronix: http://www.tek.com/ IConnect™  (Interactive Interconnect Characterization and Modeling Software)

Tera Analysis Co.:  http://www.quickfield.com/ Quick Field EM-thermal simulator

Westbay Technology Ltd.:  http://www.westbay.ndirect.co.uk/index.htm Westbay Auditor (enclosure EMC check), Westbay Tools (pcb design, shielding, etc.), Westbay Compufilt (emi filter design), Westbay FasTrack (transient simulator aid)

Zeeland Software:  http://www.zeland.com IE3D: MoM based EM Simulator, Fidelity: FDTD Based EM simulator, MDSPICE: Mixed Domain SPICE simulator (some pieces are now part of Mentor Graphic's Hyperlynx)

Zuken:  http://www.zuken.com/ CR-5000 Lightning (SI and EMC analyzer)

Free, low-cost, demo and on-line tools:

DesignSoft:  http://www.tina.com/ demo TINA SPICE circuit simulator; free node-limited simulator is available through www.ti.com

EECircle:  http://www.eecircle.com/applets/ web-based illustration applets

Faustus: http://www.faustcorp.com/ Mefisto 2D classic 2D field solver and Mefisto 3D Nova free 3D field solver

Istvan Novak’s home page:  http://electrical-integrity.com (free illustration tools)

Linear Technology:   http://www.linear.com/designtools/software/ LT SPICE IV, LTpowerCAD, LTpowerPlay, FilterCAD

Mentor Graphics:  http://www.mentor.com/products/pcb-system-design/downloads Hyperlinx Visual IBIS Editor

Polar Instruments:  http://www.polarinstruments.com/index.html EPD100 free transmission-line visualization tool

Saturn PCB Design Inc.: http://www.saturnpcb.com/pcb_toolkit.htm (transmission libe and via calculator)

Simbeor: http://www.simberian.com/Downloads.php (browse examples, visualize and check quality of S parameters, TD simulator)

Sonnet:  http://www.sonnetsoftware.com/products/lite/ SonnetLite 12 free field solver

StatEye organization:  http://www.stateye.org free MATLAB scripts for full linear and nonlinear channel analysis

Taconic: http://www.taconic-add.com/en--downloads.php AWR's free TxLine transmission-line calculator

Tera Analysis Co.:  http://www.quickfield.com/free_soft.htm Quick Field student version

Texas Instruments: http://focus.ti.com/docs/toolsw/folders/print/tina-ti.html Free SPICE program

UltraCAD:  http://www.ultracad.com/calc.htm online calculators

W.L.Gore TLinesim: http://www.tlinesim.com/Startsim.aspx free web-based interconnect simulator, VNA, TDR/TDT, eye diagram

Freeware software items:  http://www.hobby-electronics.info/

Vendors, component manufacturers

Semiconductors:

Altera programmable logic: http://www.altera.com/

Analog Devices: http://www.analog.com/

Avago Technologies: http://www.avagotech.com/pages/home/

Burr-Brown (now Texas Instruments): http://www.ti.com/ww/analog/index.html

Cypress: http://www.cypress.com/

Fairchild semiconductors: http://www.fairchildsemi.com/products/

IBM Microelectronics:  http://www-03.ibm.com/technology/index.html

Infineon Technologies AG.: http://www.infineon.com

Linear Technology: http://www.linear.com/

LSI Logic: http://www.lsilogic.com/

Agere Systems (formerly Lucent Microelectronics, now part of LSI Logic): http://www.agere.com/

Maxim, Dallas Semiconductor: http://www.maxim-ic.com/index.cfm

Micrel: http://www.micrel.com/

Micron: http://www.micron.com/

National Semiconductor: http://www.national.com/

ON Semiconductor: http://www.onsemi.com/home

Philips Semiconductor: http://www.nxp.com/

Rambus: http://www.rambus.com/

Samsung:  http://www.samsung.com/us/business/components/index.html

Texas Instruments: http://www.ti.com/

Vitesse Semiconductor Corporation: http://www.vitesse.com/

XILINX programmable logic: http://www.xilinx.com/

Capacitors:

AVX Corporation: http://www.avxcorp.com/

EPCOS (previously Siemens, now TDK-EPCOS): http://www.epcos.com/

Johanson Dielectrics: http://www.johanson-caps.com/

Kemet: http://www.kemet.com/

Maxwell Technologies: http://www.maxwell.com/

Murata Electronics: http://www.murata.com/

NIC Components Corp: http://www.niccomp.com/ also http://www.low-esr.com/

Nichicon (electrolytic capacitors): http://www.nichicon.com/

Philips capacitors: http://www.nxp.com/

Samsung:  http://www.sem.samsung.com/index.jsp

Sanyo: http://www.edc.sanyo.com/english/products/capacitor/index.html

Taiyo-Yuden: http://www.t-yuden.com/

TDK: http://www.tdk.co.jp/tefe02/index.htm

Tecate Group: http://www.tecategroup.com/

Thin-film Technology Corp: http://www.thin-film.com/

United Cheni-Con: http://www.chemi-con.com/index.php

Vina Tech: http://www.vina.co.kr/main.asp

Vishay: http://www.vishay.com/

X2Y: http://www.x2y.com/

Yageo: http://www.yageo.com

Resistors:

Bourns: http://www.bourns.com/

CTS: http://www.ctscorp.com/components/default.htm

International Manufacturing Services, Inc. (IMS): http://www.ims-resistors.com/

Isotek (current sense resistors): http://www.isotekcorp.com/current_sensing_resistors.html

Micro-Ohm Corp (current sense resistors): http://www.micro-ohm.com/

Ohmite: http://www.ohmite.com/

Thin-film Technology Corp: http://www.thin-film.com/

Vishay: http://www.vishay.com/

Inductors, filters:

Bourns: http://www.bourns.com/

Fair-Rite: http://www.fair-rite.com/newfair/index.htm

Murata Electronics: http://www.murata.com/

Philips inductors: http://www.nxp.com/

Taiyo-Yuden: http://www.t-yuden.com/

TDK: http://www.tdk.co.jp/tefe02/index.htm

Thin-film Technology Corp: http://www.thin-film.com/

X2Y: http://www.x2y.com/

Yageo (also formerly Ferroxcube): http://www.yageo.com

Resonators, oscillators:

AVX Corp.: http://www.avxcorp.com/

Connor-Winfield Corp: http://www.conwin.com/

CTS: http://www.ctscorp.com/components/default.htm

EPSON: http://www.eea.epson.com/

Fox: http://www.foxonline.com/

ILSI America: http://www.ilsiamerica.com

M-Tron Industries, Inc.: http://www.mtron.com/

Maxim, Dallas Semiconductor: http://www.maxim-ic.com/StartPage.htm

Murata Electronics: http://www.murata.com/

Raltron Electronics Corp.: http://www.raltron.com/

Pericom (formerly also SaRonix): http://www.pericom.com/,  http://www.pericom.com/saronix/

TEMEX: http://www.temex.com/

Toyocom USA: http://www.toyocom.com/products.htm

True Circuits Inc.: http://www.truecircuits.com

Vectron International: http://www.vectron.com

Packages, sockets, interposers:

Amkor: http://www.amkor.com/

Advanced Interconnections: http://www.advintcorp.com/

Kyocera: http://global.kyocera.com/

Samtec: http://www.samtec.com/

Connectors, cables:

Amphenol high-speed cables/connectors: http://www.amphenol.com/

Belden: http://www.belden.com/

ERNI: http://www.erni.com/

FCI (formerly also BERG Electronics): http://www.fciconnect.com/

Fujitsu connectors: http://www.fcai.fujitsu.com/connectors/index.asp

Harting: http://www.harting.com/en/

Hirose: http://www.hirose.com/

Madison Cable, a Tyco Company: https://madisoncable.tycoelectronics.com/

MegaPhase: http://www.megaphase.com

Molex: http://www.molex.com/

3M’s Robinson-Nugent: http://www.3m.com/us/

Samtec: http://www.samtec.com/

Siemens Electromechanical Components, a Tyco company: http://www.tyco.com/

Tensolite: http://www.tensolite.com

Teradyne (now Amphenol): http://www.amphenol.com/

Tyco (formerly AMP and also M/A-COM): http://www.tyco.com/

Winchester Electronics: http://www.winchesterelectronics.com/

W.L.Gore & Associates: http://www.gore.com/

Linear and switching power converters, power supplies:

Allegro Microsystems: http://http://www.allegromicro.com/en/Products/index.asp

Artesyn Technologies (now part of Emerson Network Power): http://www.artesyn.com/, http://www.powerconversion.com/

ASTEC Power (now Emerson Network Power): http://www.astec.com/,  http://www.powerconversion.com/

Bourns: http://www.bourns.com/

Datel (now part of Murata): www.cd4power.com,  http://www.murata-ps.com/

Delta: http://www.deltaww.com/

Emerson: http://www.powerconversion.com/

Ericsson Microelectronics: http://www.ericsson.com/products/powermodules/

Exar: http://www.exar.com/

Fairchild Semiconductor: http://www.fairchildsemi.com/

Lambda (now part of TDK): http://www.lambdapower.com/

Lineage Power (formerly Tyco Electronics): http://www.lineagepower.com/

Linear Technology: http://www.linear.com/

Murata: http://www.murata-ps.com/

Power-One (formerly also Di/dt): http://www.power-one.com/

Powervation: http://www.powervation.com/technology

Primarion (now Infineon): http://www.primarion.com/

RO Associates: http://www.roassoc.com/

Summit Microelectronics (power management devices): http://www.summitmicro.com/home/

SynQor: http://www.synqor.com/

Texas Instruments (formerly also Unitrode): http://power.ti.com

Vicor: http://www.vicr.com/

Volterra: http://www.volterra.com/

Printed circuit board laminate suppliers:

DuPont Flexible Circuit Materials: http://www2.dupont.com/Packaging_and_Circuits/en_US/index.html

ISOLA (formerly also Polyclad): http://www.isola-group.com/en/index.shtml

ITEQ: http://www.iteq.com.tw/

Matshushita (Panasonic): http://panasonic-denko.co.jp/em/pcbm/en/index.html

Nan Ya: http://www.nanyapcb.com.tw/

Nelco: http://www.parkelectro.com/index.htm

Oak-Mitsui: http://www.oakmitsui.com/

Ohmega: http://www.ohmega.com/

Panasonic (Matshusita): http://www.panasonic-electronic-materials.com/peweme/en/html/1151.php

Rogers: http://www.rogerscorporation.com/

Rohm & Haas: http://www.rohmhaas.com/

Sheldahl: http://www.sheldahl.com/

Taconic: http://www.taconic-add.com/en--index.php

TUC: http://www.tuc.com.tw/

Yamamoto: http://www.yusa.com/

Printed circuit board fabricators:

Advanced Circuits (prototyping): http://www.4pcb.com/

BusTronic (an Elma company): http://www.bustronic.com/

Compeq: http://www.compeq.com.tw/english/english-home.htm

Dynamic Details Inc (also formerly Automata): http://www.ddiglobal.com/

Merix (now part of Viasystems): http://www.viasystems.com/

Multek (now owned by Flextronix): http://www.multek.com/

Sanmina-SCI (also formerly Altron and Hadco): http://www.sanmina-sci.com/

TTM Technologies (formerly Honeywell): http://www.ttmtechnologies.com/

Viasystems: http://www.viasystems.com/

WUS: http://www.wus.com.tw/

More links: http://www.sxlist.com/techref/pcbfabs.htm

Instruments, probes:

Agilent Technologies: http://www.tm.agilent.com/

Amherst Systems Associates, Inc. (jitter analyzers): http://www.amherst-systems.com/

Anritsu (formerly also Wiltron): http://www.anritsu.com/

Cascade Microtech (probe stations): http://www.cascademicrotech.com/

GGB Industries, Inc. (Picoprobes): http://www.ggbindustries.com/

GigaTest Labs (probe stations): http://www.gigatest.com/

Introbotics Corporation (PCB testers): http://www.introbotics.com/

Jmicro Technology (probes, tips, probe stations): http://www.jmicrotechnology.com/prod.html

LeCroy: http://www.lecroy.com/

Micromanipulator (probes, probe stations): http://www.micromanipulator.com/

National Instruments: http://www.ni.com/

Probing Solutions, Inc. (probes): http://www.probingsolutions.com/

Rohde Schwartz: http://www2.rohde-schwarz.com/en

Suss MicroTech (probe stations): http://www.suss.com/

Synthesis Research (BertScope, now part of Tektronix): http://www.bertscope.com/

Tektronix: http://www.tektronix.com/

GigaMax Tech (formerly also WaveCrest for jitter analyzers); http://www.gigamaxtech.com/