Welcome to the RF Cafe Website

Search:                 | Sitemap

About RF Cafe | Homepage Archive

Kirt Blattenberger (KB3UON)

Advertise on RF Cafe (Advertisers)

RF Cafe Live Blog | Forums

Copyright 1999-2030

Electronics & RF | Mathematics

Physics & Mechanics | Quotes

Crosswords | Humor | Podcasts

Quizzes | Cogitations | Articles

Parts & Services | Videos

Radar Handbook | Cool Things

Selected Vintage Magazine Articles

Electronics World | Radio-Electronics | OFA

Radio & TV News | QST | Popular Science

Popular Mechanics | Radio-Craft | Electronics

Popular Electronics  | Mechanix Illustrated

Short Wave Craft | Saturday Evening Post

RF & Electronics Symbols for Visio & Office

RF & Electronics Stencils for Visio

RF Cascade Workbook | Espresso Workbook

Crane Aerospace Electronics Microwave Solutions: Space Qualified Passive Products

everythingRF RF & Microwave Parts Database (h1)

withwave microwave devices - RF Cafe

Cool Video / Audio Archive - 4

Videos for Engineers - RF CafeThis archive links to the many video and audio files that have been featured on RF Cafe.

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 |

A special treat for air travelersAs if having sadistic TSA agents at the security checkpoint rummage through our carry-on bags and peering through our clothes using backscatter x-ray machines at the airport was not enough, too often we are served up this little treat aloft.

10-21-2007

 

Martin Rowe's hit song, "Below a Gigahertz"Test & Measurement World's Martin Rowe has come up with yet another Top 16 dB hit, "Below a Gigahertz." It asks the question, "Remember when 50-MHz clock signals were state-of-the-art?"

10-26-2007

 

Analog clock displayed on an o-scope - RF CafeSomeone made a circuit that drives the X-Y-Z axes of an oscilloscope to generate an analog clock - quite the Lissajous figure!

9-22-2007

 

Active Denial System - Joint Non-Lethal Weapons Program - RF CafeStraight out of sci-fi, this Active Denial System uses directed microwaves to make the perps feel like their skin is on fire, while not causing any damage (skin penetration is only 1/64"). See videos AP reporter Elliot Minor volunteers to be a test subject - good attitude.at bottom of page. AP reporter Elliot Minor volunteers.

9-28-2007

 

E-flite Mini Pulse XT takeoff and landingOK, maybe it is  as bad as being forced to watch home movies, but here is a short clip of my e-powered RC airplane. Here is a clip of the ESC waveform for the brushless motor.

8-24-2007

 

Space Elevator animation, by the Marshal Space Flight Center - RF CafeThe concept of a Space Elevator has been around for a while, but inept materials technology made it unachievable. Carbon nanotube advances are about to change that. Here is a clip of a contest held for the first competition for working climbing platforms.

8-31-2007

 

Click to view the IEEE Online Video Scholarship Competition video - RF CafeHelp Put a 'New Face' on Engineering in 90 Seconds; 'How Engineers Make a World of Difference.' IEEE-USA Online Video Scholarship Competition - $10,000 in total prizes. Due date Friday, January 18, 2008.

1-4-2007

 

Man breaking glass with voice - RF CafeHere is a case of extreme resonance with constructive interference that is destructive. This man breaks a glass with voice. The fatal "blow" is 566 Hz at 105 decibels.

10-5-2007

 

Electromagnetic field simulation of cell phone near human head - RF CafeElectromagnetic field simulation of cell phone near human head. It gives you that warm, fuzzy feeling - or is that the microwaves? Courtesy Technische Universitat Darmstadt.

9-14-2007

Amplifier Solutions Corporation (ASC) - RF Cafe

About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright:
1996 - 2024

Webmaster:

Kirt Blattenberger,

BSEE | KB3UON

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

Copyright  1996 - 2026

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

My Hobby Website: AirplanesAndRockets.com | My Daughter's Website: EquineKingdom

Noisecom

Anatech Electronics RF Microwave Filters - RF Cafe

Innovative Power Products Passive RF Products - RF Cafe