RF Cafe Software
RF Cascade Workbook
Smith Chart™ for Visio
Smith Chart™ for Excel
RF & EE Symbols Word
RF Stencils for Visio
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 Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...
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Alexander Graham Bell's Voice Recording Restored(Title)
Graham Bell's voice has been heard for the first time thanks to
a team of scientists that restored one of his wax-and-cardboard disc
recordings from April 15, 1885. On it he speaks, "In witness whereof
- hear my voice, Alexander Graham Bell."
Posted April 2013