Search RFCafe.com                           
      More Than 18,000 Unique Pages
Please support me by ADVERTISING!
Serving a Pleasant Blend of Yesterday, Today, and Tomorrow™ Please Support My Advertisers!
   Formulas & Data
Electronics | RF
Mathematics
Mechanics | Physics
     AI-Generated
     Technical Data
Pioneers | Society
Companies | Parts
Principles | Groups


 About | Sitemap
Homepage Archive
        Resources
Articles, Forums Calculators, Radar
Magazines, Museum
Radio Service Data
Software, Videos
     Entertainment
Crosswords, Humor Cogitations, Podcast
Quotes, Quizzes
   Parts & Services
1000s of Listings
 Vintage Magazines
Electronics World
Popular Electronics
Radio & TV News
QST | Pop Science
Popular Mechanics
Radio-Craft
Radio-Electronics
Short Wave Craft
Electronics | OFA
Saturday Eve Post

Software: RF Cascade Workbook
RF Stencils for Visio | RF Symbols for Visio
RF Symbols for Office | Cafe Press
Espresso Engineering Workbook

Aegis Power  |  Alliance Test
Centric RF  |  Empower RF
ISOTEC  |  Reactel  |  RFCT
San Fran Circuits

Innovative Power Products (IPP) Directional Couplers

Exodus Advanced Communications Best in Class RF Amplifier SSPAs

Please Support RF Cafe by purchasing my  ridiculously low-priced products, all of which I created.

RF Cascade Workbook for Excel

RF & Electronics Symbols for Visio

RF & Electronics Symbols for Office

RF & Electronics Stencils for Visio

RF Workbench

T-Shirts, Mugs, Cups, Ball Caps, Mouse Pads

These Are Available for Free

Espresso Engineering Workbook™

Smith Chart™ for Excel

TotalTemp Technologies (Thermal Platforms) - RF Cafe

Recent Additions Archive: 45

If you know you saw something on RF Cafe, but cannot find it now, check these archive pages. An even better bet is to do a site-wide Search.

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 |

 

edXact Parasitics Analysis and Netlist Reduction Technology to be Endorsed at DATE 2011

DC Distribution Networks Gain Ground over AC

Unintended Consequences from Wind Turbine Farms

PopSci: Your Guide to the Year in Science 2011

Please Visit Z-Comm to Thank Them for Helping Deliver RF Cafe

Before You Hire: Complete Guide to Checking Your Employees

Near-Field Antenna Measurements Using Nonideal Measurement Locations

Improvements in Polarization Measurements of Circularly Polarized Probes

Calibrating Antenna Standards Using CW and Pulsed-CW Measurements and the Planar Near-Field Method

Effect of Random Errors in Planar Near-Field Measurement

Improved Polarization Measurements Using a Modified Three-Antenna Technique

Gain and Power Parameter Measurements Using Planar Near-Field Techniques

The Determination of Near-Field Correction Parameters for Circularly Polarized Probes

Thanks to Analog Devices for Long-Time Support!

10 Tips and Techniques For More Effective Presentations

Error Analysis Techniques for Planar Near-Field Measurements

TechZone Mag: Wireless Solutions, by Digi-Key

Tales from the Cube: Go Ahead. Make My Day! (you'll love the graphic - very un-PC!)

Please Visit NuWave Engineering in Appreciation for Their Support

How to Stand Out and Become an Effective Trade Show Exhibitor

5 Steps to a White Paper that Pulls in the Perfect Prospect

1-23-2011 Engineering & Science Crossword Puzzle

The Day Fortran Code Shut Down a Mill--Or Did It?

Western Electric Ad from the August 25, 1945, Saturday Evening Post

Thanks to RFMD for Continued Support

Memory Effects in Microwave Components

Champion Spark Plugs Ad from the August 25, 1945, Saturday Evening Post

Memory Effects in Microwave Components

Ray-O-Vac Ad from the August 25, 1945, Saturday Evening Post

Memory Effects in Microwave Components

Make Quick Work of Impedance Measurements, by Alberto Bagnasco

Many Thanks to Orbel for Their Long-Time Support!

IMS Experts: $388M Verdict Reversed, Experts Recalculate

Amplifier Test

IEEE: Top 11 Technologies of the Decade

High-Tech Hits the Detroit Auto Show

Please Thank GigaLane for Their Continued Support

MIMO RF Test and Debug

Booming iPhone Repair Business Here in Erie - Rich's iPhone Repair

Validating Receiver Performance

School Program Prepares Future Engineers

Please Welcome TestParts as a New Supporter of RF Cafe!

GPS Receiver Verification

Hidden Job Market Secrets: The Right Strategy Makes Looking for a New Job Easy

MEMS Tuner Modules Could Solve Handset Reception Problems, by Patrick Hindle

NIST: Recommended Terminology for Microwave Radiometry

IEEE: Outlook for 2011

Near-Field Antenna Measurements Using Nonideal Measurement Locations

Metrology for the Electrical Characterization of Semiconductor Nanowires

The Mathematics of Mixers: Basic Principles (p.34)
Gary Breed

New RF Metrics for the Smartphone-Centered World
Ben Thomas and Jackie Johnson, RFMD

Thanks to Planar Monolithics (PMI) for Continued Support!

IEC & Associates - Forensic & Reverse Engineering Services - Listing Added

1-16-2011 Engineering & Science Crossword Puzzle

Wireless, But Leashed

Wanted: Wiltron 62BF50 and 68BF50 VSWR Directional Bridges

EE Times' Cartoon Caption Contest January 2011

It's Cold. It's Dark. And the TDR You Need is Missing.

The Engineer: 2010 Technology and Innovation Award Winners Revealed

Using Pspice to Analyze Amplifier Loop Stability

Please Visit Electro-Photonics in Appreciation for Their Support

Sherlock Ohms: The Case of the Technician Who Was Unlucky at Cards

RoHS Means Big Changes for Power Devices

For Times Like These: "Managing Cash Flow in Times of Crisis"

...and "Manufacturing Growth Study - Strategies for Recovery and Renewal in 2010 and Beyond"

Birds + Snow + Transformer = Flash

Thanks Again to Lemos for Continued Support

IEEE Wireless Standards from the Apple Apps Store

Circulators and Diplexers

Green Choice Emerges for Wire and Cable

Filter Equivalent Noise Bandwidth

Many Thanks to Narda for Long-Time Support!

Acing the Interview: How to Ask and Answer the Questions That Will Get You the Job! - Free Book Summary

RF Cafe Advertising Rates Page Re-designed (it's actually understandable now!)

HGC Microwave - RF Synthesizers - Listing Added

Please Thank IFI for Helping Deliver RF Cafe

1-9-2011 Engineering & Science Crossword Puzzle

Are Smart Phones Worth It?

Put the Mad Scientist Back into Ham Radio - This Is Hilarious!!!

Win $100 from EE Times for Your "Engineering Investigation"

Electronic Warfare Subject Matter Expert Needed

Thanks to JyeBao for Continuing to Support RF Cafe!

An Engineer Walks into a Bar...

Land Mobile Radio Technician Job Available

RFIC 2011 Call for Papers, 5-7 June 2011, Baltimore, MD

IEEE: Top 11 Technologies of the Decade

Learning Morse Code Characters: A Replication of the Keller Method

easel technologies - RF Signal Generators & Tuners - Listing Added

Yes, Engineers Can Write Better, Part 5: Wrap-Up

Report: Few Long-Term Psychological Effects from Long-Term Job Loss

Many Thanks for Network International Corp's Long-Time Support!

New RF Cafe Quiz: Advanced RF MEMS

Google, Facebook, IBM and Others' Weird Job Interview Questions in 2010

Congrats to Mark B. for Winning the December 2010 Book Contest!

Please Visit PMI in Appreciation of Their Support

WiFi Robot Design Platform

The Principles of Project Management - Free 66 Page Preview!

The Origin of "73"

Sherlock Ohms - The Case of the Stuttering ADC

Thanks to Connector City for Helping Deliver RF Cafe

RF / Microwave PC Board Design and Layout, by Rick Hartley - Line Impedance Equations, Nice!

1-2-2011 Engineering & Science Crossword Puzzle

Test Development Engineering Looking for Job in GTA

Electronics on Anything

Better Benchmarking for Supercomputers

Tiny Antenna Arms UWB Applications

Let's Just Chuck the Term 4G - It's Meaningless

Many Thanks to Fotofab for Continued Support

B&H Photo - Audio / Visual Retailer - Listing Added

Zero Re-Arm Time Measurements, T. Lyons and E. Seng

Cavity Filters and 4G: Something Old for Something New - Sam Benzacar, Anatech

Thanks to JyeBao for Their Long-Time Support!

Design a SPDT Switch for WiMAX

Can Carbon Put Copper Down for the Count?

Measure DSL Power Spectral Density, Dan Joffe

Six Things Recruiters Will Never Tell You

Model PAs with Wideband Signals

Inside the Mind of an Investor (legend from Silicon Valley, former Army general, & Vulcan)

Another Installment on "How Not to Take a Test"

ATC Radar Technician Position Available with Lockheed Martin

Declassified: NSA and the Cuban Missile Crisis - Shipboard Radar

2011 IEEE Radio Wireless Week Call for Participation

Inventing the Klystron and Saving Civilization

USAF Radar Tech Scott Gilbert Checks In!

12-19-2010 Engineering & Science Crossword Puzzle

Notes on Shannon's Theorem (p.64)

Please Welcome Apex Wireless as a New RF Cafe Supporter!

Praxir Tech - Wireless Sensors & Software - Listing Added

Generalized Resistive Power Divider Design (p.42) Greg Adams

A History of Six Sigma

Filters for High Frequency Systems

RF Cafe Quiz: Frequency Synthesizers: Concept to Product

• Featured Engineer on EEWeb: Kirt Blattenberger (that's me!)

Tech News Quiz 2010

Early U.S. Navy Experimental Radars

Advanced Compliance Solutions, Inc - Listing Added

New Study Reveals Opportunities for Engineering Education

What Role Can You Play to Help Defend Our Amateur Radio Spectrum?

Three Threatened Technological Treasures

Be a Star! Enter the ARRL Video Contest

Many Thanks to Kete Microwave for Their Ongoing Support!

NASA Doing Primate Testing Again? (it's been a long time since Ham flew)

Tales from the Cube: The Devil and the Deep Blue Sea

Army Signal Corps' Radio and Radar During World War I & World War II

Tutorial on Time Domain Reflectometry (TDR)

TheWeatherWiz.com - Weather Forecasting & Education

Please Thank American Microwave for Supporting This Website

12-12-2010 Engineering & Science Crossword Puzzle

Army Slideshow: Geotags and Location-Based Social Networking

Enter the EE Life December 2010 Cartoon Caption Contest

Sherlock Ohms: The Case of the Electrically Challenged Sailboat

Where Have All the Transistor Radios Gone?

Sample, Convert Simultaneously - Jon Titus

Thanks to DyneTech for Continued Support!

The China ROHS Syndrome: Wait and See

New Kirt's Cogitation - CQ Engineers & Technicians: QST a Great Resource

2011 Budget Survey Shows Marketers Show More Interest in Lead Quality, Search Engine Marketing

IEEE: Engineering Is Not Science

White Paper: How to Boost Your Company's Sales with Marketing

New RF Cafe Poll: Job Security

Electronic Signatures: A Strategic Way to Shrink the Sales Cycle and Improve Operational Efficiency

Please Visit Vector Telecom in Appreciation of Their Support

12-5-2010 Engineering & Science Crossword Puzzle

Amateur Radio Quiz: For Auld Acquaintance

Does the Robert C. Byrd Green Bank Radio Telescope Operate in the KKK- Band?

The Smart Grid: A Primer

Many Thanks to RFtronics for Their Support!

Win a Kindle or a Jacket from IFI!

New Resume Posted for Wireless Engineer

Quiz: How's Your Radio Geography? (from Aug 1945 Saturday Evening Post)

New Electrical Engineering Website Online: EEWeb (Partnered w/Digi-Key, from whom I have personally made many last-minute, overnight orders for breadboard parts)

Congrats to Richard C. for Winning the November 2010 Book Drawing!

Development Kit for Adding WiFi to a Product

Thanks Anatech Electronics for Continued Support!

Free from Agilent - 2011 Wireless Communications Calendar

Congrats to Chris R. for Winning a Set of RF Cafe Coasters!

My Thoughts on the Tax Cut Extensions...

Double-Blind Review Method for IMS2011 Papers

IMS2011 Student Paper Competition Guidelines

Great Inventions: Quiz Yourself

Sherlock Ohms: The Case of the Invisible Signal

Where Do We Stand with Molecular Electronics?

Thanks to NoiseWave for Their Support

Tales from the Cube: A Multiphysics Epiphany Uncovers a Bewildering Vacuum-Tube Problem.

EW & Radar Handbook: Microwave Waveguide & Coaxial Cable

Sherlock Ohms: The Case of the Mysterious Shorting Test Board

Yes, Engineers Can Write Better, Part 5: Wrap-Up

Amplical Continues to Support RF Cafe - Thanks!

A Mind Made from Memristors

11-28-2010 Engineering & Science Crossword Puzzle

Many Thanks for Microphase's Continued Support

Microwave Subsystems Advance To Meet Defense System Challenges, by Walter Crofut, Narda Microwave-East

10 Tips and Techniques for More Effective Presentations

The Ultimate Guide to Gmail

Your Security Clearance Is Here Somewhere (everyone just loves to dis security folks)

How Science Is Changing Your Thanksgiving Feast

Please Welcome DYNE-TECH as an RF Cafe Advertiser!

Basic Navy Training Courses - Matter, Electricity Does It!

Butterworth Filter Prototype Element Values

Aeroflex CS9000 Broadband Signal System Brings True Modularity to Advanced Testing, by Mark Prichard

Thanks Also to 3Gmetalworx for Supporting RF Cafe!

Radar Cross-Section Observations of the Echo I Communications Satellite

Filters for High Frequency Systems, by Ron Demcko

Amateur Radio Quiz: Getting One’s Bearings

Jack Webb (Dragnet) on How to Deal with the TSA

Thanks to JYEBAO for Supporting RF Cafe

Pearl Harbor Revisited: U.S. Navy Communications Intelligence, 1924-1941

German Clandestine Activities in South America in World War II (radio operations)

11-21-2010 Engineering & Science Crossword Puzzle

What Is Radar?

What Can Be Used Against You in a Job Interview

Building 821: Radar Test Building

7th Military Antennas Event, March 21 - 23, 2011

CellReception.com - Map of Coverage by Provider

Printing III-V Transistors Onto Silicon

Graphene Electronics, Unzipped

Radar Tech Steve White Checks in on the USAF Radar Shop Page

Samsung Galaxy Tab Teardown - Mimics iPad in Concept

Changing the Game: 4 Ways to Unlock Your Employees' Performance Potential

Please Thank Analog Devices for Continued Support!

Diamond Rf™ Resistives: The Answer to High Power and Low Capacitance, by Mark Bailly

Do Taxes Affect Innovation and Jobs?

IEEE: Consulting 101

New Federal Rule on Experts Takes Effect December 1, by IMS Expert Services

High Frequency Circuit Materials with Increased Thermal Conductivity (p.40), by Coonrod and Horn

Cooled DFB Lasers in RF over Fiber Applications, by Optical Zonu

Thanks to Spectrum Microwave for Long-Time Support of RF Cafe

Improved Doppler Radar/Satellite Data Assimilation

Meteorological Studies with the Phased Array Weather Radar and Data Assimilation Using the Ensemble Kalman Filter

Fundamentals of Pulsed and Time-Gated Measurements (p.52), by Gary Breed

11-14-2010 Engineering & Science Crossword Puzzle

Please Visit Cross RF in Appreciation of Their Support

Is RF Cafe the Only Major Engineering Website That Does NOT Flash a Full-Page Ad at You?

New RF Cafe Quiz: Multi-Gigabit Microwave and Millimeter-Wave Wireless Communications

Receivers, Caps Harvest RF Energy, by Harry Ostaffe and Bharat Rawal

21st Annual EDN Innovation Awards Nominations Being Accepted Now

Many Thanks to Narda Microwave East for Their Support

Congrats to Greg C. for Winning an RF Cafe Coffee Mug!

Bell System Technical Journal, 1922-1983, ~300 Volumes (thanks to Leon R.)

Broadband Amp Slashes 1/f Noise, by Mark Logue

Chip Balun: Definitions & Measurement Methodology

Innovators Tackle R, L, And C to Enhance the Fundamental Building Blocks

Please Welcome Phase Matrix as a New Supporter of RF Cafe

Mixer 2x2 Spurious Response and IP2 Relationship

TotalTemp Technologies (Thermal Platforms) - RF Cafe
Anatech Electronics RF Microwave Filters - RF Cafe

Innovative Power Products Cool Chip Thermal Dissipation - RF Cafe

PCB Directory (Manufacturers)