Design Con 2015
Breaking News
Content by Alfred P. Neves - WRT
Alfred P. Neves - WRT
Member Since: July 23, 2013
Blogger
Blog Posts: 5
Posts: 22

Most Recently Posted

All (27)           Blogs (5)           Comments (22)          
All
Day 5: Application & Case Examples
EE Times University  
1/24/2014   63 comments
  • Comparison of two VIAs
  • T-line loss
  • Differential mode analysis
  • Time-domain transform resonator with and without gating
  • Wrap-up
Day 4: Application Topics of S-Parameters
EE Times University  
1/23/2014   71 comments
  • Rational expansion of the S-parameter - why do it, how
  • Selecting a VNA, features and function relevant to signal integrity
  • Third-party tools we use in our S-parameter measurement flow
  • Compliance application - 10G-KR, 10 Gbit/s backplane analysis, what is involved
Day 3: What Constitutes a 'Good' VNA Measurement?
EE Times University  
1/22/2014   88 comments
  • Calibration validation scope
  • How device under test impacts your measurement error
  • Tips and approaches for dealing with bad calibrations
  • Measurement work flow - the process of good S-parameter measurement
  • Exploiting device geometries and relating them to the S-parameter matrix
  • Simple passivity and causality checks using Matlab
  • Why fixing a slightly bad measurement is really just very bad
  • Calibration approaches and validation methods
  • Overview of calibration approaches - SOLT, TRL, LRM,
  • Symmetrical calibrations
  • A novel measure-based de-embedding approach
  • What is de-embedding and how is different than calibration?
  • Simple de-embedding approaches and potential pitfalls
Day 2: What Is a VNA & How Does It Work?
EE Times University  
1/21/2014   165 comments
  • Structure of a VNA, block diagrams and function
  • Reference plane and error box concept
  • Anatomy of a SOLT calibration
  • Overview of mechanical and electronic calibrations, dispelling some popular misconceptions
Day 1: What Is an S-Parameter?
EE Times University  
1/20/2014   139 comments
  • Review of basic S-parameter theory
  • Intuitive interpretation of S-parameters
  • Vector relationship of S11 on S21
  • What is a decent S11 versus a max frequency of interest?
  • Establishing port definitions cleanly for RF versus 3D EM/Signal Integrity
  • Transforming S-parameters into the time domain - primer of problems, things to look out for
Comment: response - anon5054640 - 7/23/2013


Flash Poll
Top Comments of the Week
Like Us on Facebook
EE Times on Twitter
EE Times Twitter Feed

Datasheets.com Parts Search

185 million searchable parts
(please enter a part number or hit search to begin)
EE Life
Frankenstein's Fix, Teardowns, Sideshows, Design Contests, Reader Content & More
Max Maxfield

Analog Faceplate Design Decisions: Art or Science?
Max Maxfield
19 comments
My degree is in Control Engineering -- a core of math with "surrounding subjects" of electronics, mechanics, and hydraulics and fluidics. The only official programming I did as part of ...

Jolt Judges and Andrew Binstock

Jolt Awards: The Best Books
Jolt Judges and Andrew Binstock
1 Comment
As we do every year, Dr. Dobb's recognizes the best books of the last 12 months via the Jolt Awards -- our cycle of product awards given out every two months in each of six categories. No ...

Engineering Investigations

Air Conditioner Falls From Window, Still Works
Engineering Investigations
3 comments
It's autumn in New England. The leaves are turning to red, orange, and gold, my roses are in their second bloom, and it's time to remove the air conditioner from the window. On September ...

David Blaza

The Other Tesla
David Blaza
5 comments
I find myself going to Kickstarter and Indiegogo on a regular basis these days because they have become real innovation marketplaces. As far as I'm concerned, this is where a lot of cool ...