Really Big and Really Small
Kirt's Cogitations™ #132

RF Cafe University "Factoids," "Kirt's Cogitations," and "Tech Topics Smorgasbord" are all manifestations of my ranting on various subjects relevant (usually) to the overall RF Cafe theme. All may be accessed on these pages:

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Really Big and Really Small

Peta, exa, zetta and yotta: Those are the numerical prefixes for 10¹⁵, 10¹⁸, 10²¹ and 10²⁴, respectively. Their reciprocals are femto, atto, zepto and yocto, at 10^-15, 10^-18, 10^-21 and 10^-24, respectively.

PCB Directory Manufacturer Directory Database - 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...