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Engineering News

     All the News Fit to Link™

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U.S. Government, Military to Get Secure Android Phones

Motorola Makes Apple Pull iPads and iPhones in Germany

Graphene Electronics Moves into a Third Dimension

Are Tech Jobs Returning to the U.S.?

Investments Set to Support Further UK Graphene Research

Global Telecom Industry Revenue to Grow at 5.3% Annually

Searching for a Solid That Flows Like a Liquid

Amateur Allocation at 472 kHz Moves a Step Closer to Acceptance

Computer Science High School to Open in NYC

Samsung Retains Top Spot in American Mobile Phone Market

Not Settling for Radio's Measly 7%

MasterCard Delivers Popcorn to Movie-Goers with NFC

Raytheon Wins $38.1M Contract for Missile Defense System

First Pics of Next-Gen BlackBerry 10 Smartphone

How Apple Can Revolutionize Television

Is That a Crashed Flying Saucer on the Seabed?

4-Telescope Link-Up Creates World's Largest Mirror

P&G to Lay Off 1,600 After Discovering It's Free to Advertise on Facebook

EU Regulators Want Google to Halt New Privacy Policy

Millisecond Pulsar Paradox Explained

Press Releases

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M/A-COM Technology Solutions Announces New Power Amplifier for Point-to-Point Applications

Richardson RFPD Introduces High Power Brazed RF Resistor from Anaren

RF Micro Devices Intros the RF6504 3.3 to 4.0 V, 433 to 470 MHz Transmit/Receive Front End Module

Z-Communications Announces Ultra Small VCO Ideal for Mobile Radios

Skyworks Launches Low-Noise and High-Linearity LNAs

AWR E-NEWS:  January 2012

Doodle Labs Announces 4.4 GHz C-Band Broadband for the U.S. and NATO Military

RF Cafe Software

RF Cascade Workbook
RF Cascade Workbook is a very extensive system cascaded component Excel workbook that includes the standard Gain, NF, IP2, IP3, Psat calculations, input & output VSWR, noise BW, min/max tolerance, DC power cauculations, graphing of all RF parameters, and has a graphical block diagram tool. An extensive User's Guide is also included. - Only $35.
 RF system analysis including frequency conversion & filters

RF Workbench

Smith Chart™ for Excel

Smith Chart™ for Visio

RF & EE Symbols Word

RF Stencils for Visio v2

Calculator Workbook

Online Calculators

Your Host

Kirt Blattenberger
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redefining what an engineering website should be.

View the YouTube RF Cafe Intro video Carpe Diem!
(Seize the Day!)

Win a Free Book

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Click here to enter book drawingEach month, the winner can choose from a list of engineering books. Paul C. and Gary S. were the January 2012 winners.

Notable Quote

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"Procrastination is what you're doing when you are doing what you want to be doing." - Jorge Cham, Ph.D.

Featured Book

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Dilbert: 2012 Day-to-Day Calendar - RF Cafe Cool ProductDilbert: 2012 Day-to-Day Calendar,
by Scott Adams

Cool Pic

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UNIVAC Computer c1960 - RF Cafe Cool PicAs recently as 1960, computers like this UNIVAC were still the only option for high speed data processing. These compact models required a mere 25x50-foot, air conditioned room to cool their 5,600 vacuum tubes (your computer has about 107 transistors). NPR mentions in its story a 1955 Broadway play called The Desk Set, pitting a fictional computer very much like UNIVAC against the reference library staff of a major radio-television network, otherwise known as "the desk set." In the end, the giant computer crashes and a librarian saves the day – with a hairpin. Katharine Hepburn (the librarian) and Spencer Tracy starred. A short video shows Walter Cronkite talking about the UNIVAC going against pundit knowledge and correctly predicted the outcome of the 1952 and 1956 presidential elections. The result? UNIVAC declared, "I like Ike."

Cool Product

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Polished Silver Oval Wi-Fi and 2 GB USB Cufflinks - RF CafeHere is an accessory to add to your James Bond collection. These silver cufflinks double - no triple- as a 2 GB flash drive and as a Wi-Fi hot spot. USB flash drive cufflinks have been around for awhile and are plentiful on Amazon, but the Wi-Fi feature of this product is unique. I could not find any performance specifications for them, but there is a funny review on the website link (click the picture and scroll down). If you have a $250 to spare, you can buy a set and let me know how they work.

Hobby & Fun

Airplanes and Rockets: My personal hobby website

Equine Kingdom: My daughter Sally's horse riding business website - lots of info

Doggy Dynasty - My son-in-law's dog training business

Video for Engineers

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A Swarm of Nano Quadrotors - RF Cafe Video for EngineersIt is amazing how much of what was merely science fiction a few decades ago is now reality. This video of a swarm of 20 nano quadrotors developed by researchers at the University of Pennsylvania's General Robotics, Automation, Sensing and Perception (GRASP) Lab is reminiscent of something out of Star Wars or The Matrix. Not only are the tiny flying machines autonomously stable, but they can fly in formation either as a fixed shape moving simultaneously from location to location, but they also move in a dynamic formation like marquee lights. Their multiple electric-powered propellers make a high speed droning sound like bees, adding to the ominous presence that a militarized version would present to an aggressor. It's quite cool and quite spooky at the same time. A company called Kmel Robotics is credited with building the nano quadrotors. I want some.

Smorgasbord

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Soaring College Tuition Costs - RF Cafe SmorgasbordSkyrocketing costs for college tuition have been an issue for a long time. Reports published lately show how the price of a semester of college has exploded in the last few decades. Those same investigations have determined that a big part of the increase has been due to the ease at which school loans can be obtained - very similar to the way housing costs have increased with easy access to mortgage money. As students were more able to pay the rate, supply and demand allowed costs to go up accordingly. For instance, the above chart shows that from 1982 to 2007 the cost of tuition, fees, room, and board increased by an average of about 450%. During the same period the median family income increased 150% and the CPI was up 100%. Even medical care "only" increased by 250%. To illustrate the oblivion nature of far too many students, at the behest of professors and administrators who are themselves part of "the 1%," from an income and privilege standpoint, the students attend Occupy Wall Street (OWS) demonstrations to rail against the 1%. Ivory Tower pontificators blasting Capitalism while profiting from it are not limited to universities; their names are in the news on a daily basis.

Engineering Jobs

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Daily Specials

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What's a Good "Real Engineer" Question?

Rebuilding America: Really? Have We Given Up?

Please Visit 3Gmetalworx's Website in Appreciation of Their Support

Congrats Also to Gary S. for Winning Igor Grigorov's Urban Antennas

Advances in Radar Simulation Design, by L. Williams, M. Commens & S. Rousselle

Congrats to Paul C. for Winning Microwave Materials for Wireless Applications!

RF Switch Lead Design Engineer Needed by RFMD

Thanks Again to Z-Comm for Continued Support!

Understanding the Magic Tee / 0° Hybrid Combiner / Divider, by Gary Breed

The Importance of Peak Power Measurements for Radar Systems, by Bob Muro

Staff MEMS Design and Characterization Engineer Needed by RFMD

RF Cafe Quiz #44: Monopulse Principles and Techniques

Radar Signature Analysis c.1967

Sherlock Ohms: Power Supplies Cause Confusion in Lab

Please Give Fotofab a Visit in Thanks for Their Support

Microwave Engineering Crossword Puzzle - 1/29/2012

Advanced Technology Development Engineers Sought by RFMD

Sherlock Ohms: Battery Sparks Red-Hot Mystery

What Were They Thinking: Patent Crazy in LEDs

Project/Product Managers Sought by RFMD

Understanding Transistor Circuits - A Novel

Many Thanks to Orbel for Their Support

Predict Mixer Noise Behavior, by Roy Monzello

Technical Director of RF Engineering Needed by Aethercomm

Shocking But True, August 1959 Popular Electronics

What It Takes to Become Better Managers and Leaders

What's the Noise in Signal-to-Noise Ratio?

RF Competitive Analysis Engineer Wanted by RFMD

TRAK | Channel Microwave Looking for Director of Sales - Ferrite Products

Short Courses for RF/Microwave Design, Antenna Design, RF PCB Design - University of Oxford

Modern Signals Require a Modern Approach to Spectrum Monitoring and Emitter Location, by I.C. Tillman and Raymond Shen

Poll: Is Your Job Secure? (see right border)

Please Thank Analog Devices for Helping Deliver RF Cafe

Unpopular Electronics - Poems from 1959 PE

RF Engineering Position Opening at Modelithics

"Over the Horizon" Transmission, Aug 1955 Popular Electronics

 
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