SMA Connector Thumbwheel

Many people have written over the years asking where to buy those little donut shaped thumbwheels for SMA / K (2.9 mm) / V (2.4 mm) RF Connectors . A lot of companies hand them out at trade shows, with their company names printed on them. Finding one for sale, though, has been somewhat elusive. Search no longer. RF Cafe visitor Michael M. just provided a source for buying them: Marki Microwave. Marki's main product line originally consisted of high performance mixers, but now they also manufacture amplifiers, filters, power dividers, baluns, couplers, and a host of other RF / microwave components. I couldn't find a price on their website, so you will have to call.

Here is more information on SMA Thumbwheels / Thumb Wrenches.

Posted December 2012

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...