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MIT Tech TV
Videos for Engineers
hundreds
of videos have been produced and posted that demonstrate various fundamental physical processes. One cool video
shows how a Faraday cage keeps an electric
field outside the enclosure from affecting the field inside the enclosure where, in this case E=0, and vice versa.
A
Van de Graaff generator
supplies the electric field while a Ben Franklin doll with strands of metal tinsel attached is used as the UUT
(the store must have been sold out of Michael Faraday and Robert Van de Graaff dolls). We exploit the same
principle in the form of folded sheet metal shields on PCBs all the time to keep RF energy from interfering with
other circuitry in the vicinity. Then, entire assemblies are shielded to prevent energy from being radiated to the
outside world, as well as to keep outside world energy from influencing the performance of our circuits.Here are a few of the MIT Tech TV videos that pertain to RF engineering. The entire collection can be accessed on their website: | Engineering (412) | Science (311) | Research (289) | Invention (91) |.
Ben Franklin Saved by a Faraday Cage
The Wimshurst Machine
Resonant RLC Circuit
Temperature Effect on Resistance
Magnet Affecting CRT Display
(I used to demo this to my kids back when TVs used CRTs)
This archive links to the many video and audio
files that have been featured on RF Cafe.
Copyright: 1996 - 2026 |
About RF Cafe 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 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 acknowledge My Hobby Website: My Daughter's Website: |
