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Browse Bogatin, Eric

1-53 out of 53 article(s)
Title Type Date Words
Top the line: reducing the line width, just the right amount, keeps differential impedance constant. Sep 1, 2007 660
Return and insertion loss for dummies: return and insertion loss are frequency domain concepts that are quickly becoming mainstream terms in the high-speed digital world. Jun 1, 2007 726
Understanding differential pairs and differential signals: just don't think "differential mode." It will help keep differential signals separate from odd mode impedance, eliminating the confusion. May 1, 2007 819
The proximity effect in differential pairs: tighter trace coupling causes the resistance to increase. Apr 1, 2007 782
Calculating characteristic impedance: when taking measurements or doing simulations, it's good to anticipate your results ahead of time. Mar 1, 2007 672
Determine the best way to control signal effects: discuss the options available to help decide which via is best for you. Feb 1, 2007 722
Tracking transmission line losses: bit rate and interconnect length influence lossy line effects. Jan 1, 2007 771
"So, what do you do?": describing what we do every day as PCB designers and engineers is not an easy task. Here are 12 surefire answers to use to beat the glazed eyeball stares this holiday season. Dec 1, 2006 804
Real world training: hands on at the Switzerland of the networking industry. Company overview Nov 1, 2006 722
Noise abation: what is the true value of a guard trace? Oct 1, 2006 740
Don't snub via stub induced signal distortions. Letter to the editor Sep 1, 2006 790
SPICEing up impedance profiles: using SPICE simulation tools to predict impedance. Sep 1, 2006 572
No faith: when it comes to power distribution network design, put your trust in analysis. Aug 1, 2006 787
Only two knobs to tweak above 3 Gbps: either increase the attenuation budget with more expensive silicon or decrease the attenuation with more expensive laminates. The choice is yours. Jul 1, 2006 756
A sneaky noise path: one inch can make a difference. Jun 1, 2006 736
Controlling controlled impedance boards: achieving the desired impedence is no simple task. May 1, 2006 1962
To the moon! What is the input impedance of a transmission line? May 1, 2006 739
An EMC sweet 16: a handful of of rules that can help you achieve good EMC design. Apr 1, 2006 774
A dose of reality: do corners cause reflections? The answers to last month's puzzle may surprise you. Mar 1, 2006 820
Microstrip or stripline? That is the question. Feb 1, 2006 715
Riddle me this: why do engineers fear the 90[degrees] bend? Do corners really cause reflections? Jan 1, 2006 754
Tricks of the trade: a little known trick for reducing crosstalk. Dec 1, 2005 753
Yes, size does matter; sometimes, shorter is better. Nov 1, 2005 651
Enter the matrix: get used to differential S parameters. They're the new standard for interconnect characterization. Oct 1, 2005 644
Master of your domain: everything you ever wanted to know about frequency and time domain--and maybe more. Sep 1, 2005 729
It's a wonder anything ever works: signal integrity would be so much simpler without those pesky interconnects ruining our signals. Aug 1, 2005 734
A designer's survival guide to high-speed serial links: pre-emphasis and backdrilling can help you avoid being a casualty in the battle for signal integrity. Cover Story Jun 1, 2005 2065
Simulating a TDR: as long as you have access to any version of SPICE, you too can simulate a TDR. Jun 1, 2005 635
Welcome to the nanotechnology era: get small with carbon nanotubes that help fight ESD. May 1, 2005 670
Skewering skew: weave-induced skew could be a time bomb lurking in your high-speed serial links. Apr 1, 2005 740
When should I worry about lossy lines? If you've been wondering when lossy lines start to become problematic, read on. Mar 1, 2005 665
Still good bang for the buck: OI' faithful FR-4 shows no signs of fading into that good night. Feb 1, 2005 776
Quieting down a noisy problem: the ability to predict near- and far-end crosstalk per a given line spacing can make your design a success. Jan 1, 2005 707
Rise times and bandwidths: as rise times keep dropping, bandwidths will keep heading through the roof. Dec 1, 2004 765
Insertion loss and return loss: never heard of them? Meet the new universal characterization metrics. Nov 1, 2004 855
Riddle me this, CAD man: when is a transmission line not a transmission line? Oct 1, 2004 673
How does return current really return? In 'short,' through the capacitance between the signal and return conductors. Aug 1, 2004 766
The absolute accuracy of 2D field solvers: built product is no baseline for absolute accuracy. Jul 1, 2004 610
'Spice' up your design: predicting electromagnetic fields is no longer a luxury in the high-speed arena. Fortunately, many of today's EM simulators remove the guesswork. Jun 1, 2004 736
Mea culpa, mea maxima culpa: even famous columnists can make the occasional error. May 1, 2004 724
Deterministic jitter: by understanding the relationship between 'aggressor' line and 'victim' line bit switching, designers can keep crosstalk-induced deterministic jitter at bay. Or, just use embedded technology. Apr 1, 2004 561
A high-bandwidth probing plan: TDR measurements are useful for characterizing signal channels. But bandwidth limits are determined in the first 0.100". Mar 1, 2004 555
5 tips for reducing EMI: even the best high-speed design plans can fail FCC certification. Feb 1, 2004 798
Has the copper interconnect hits its speed limit? Data rates are reaching the unlikely speed of 40 Gbps, yet copper runs on. Cover Story Jan 1, 2004 2056
Board stackup's important tool: for a target differential impedance, a 2D field solver, used accurately, can be a time-saver. Dec 1, 2003 900
PCB directions: don't lose your way. Use these guidelines and stay on course. Oct 1, 2003 753
Rules of thumb I have known and loved: while no substitute for good design practices, in certain situations they can be useful. Sep 1, 2003 766
Bouncing out ground bounce: ground bounce is a side effect of shorter rise times and increased bus widths. By knowing the physical origin and what to adjust, you can keep it to acceptable levels. (Quieting Crosstalk). Aug 1, 2003 2381
What causes reflections? In an ideal world signals would propagate down a line with no distortion. But this is no ideal world. (No Myths Allowed). Aug 1, 2003 968
The inductance of a transmission line: understanding the relationship between total loop inductance of a line, time delay and its characteristic impedance. (No Myths Allowed). Jul 1, 2003 766
So far, so close: understanding return current in a differential pair. (No Myths Allowed). Brief Article Jun 1, 2003 727
When accuracy counts; why calculate characteristic impedance to 1% accuracy? It's all about yield. (No Myths Allowed). May 1, 2003 695
The capacitance of a transmission line: there is a fundamental relationship between characteristic impedance, time delay and total capacitance. (No Myths Allowed). Apr 1, 2003 861

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