RF Cafe Custom T-Shirts, Coffee Cups, Hats, Mouse Pads...
The CafePress store is now closed.

RF Cafe has ended the dearth of T-shirts, sweatshirts, coffee mugs, and other items that sport engineering themes. Our newest design sports the thesis, "RF Engineers...We Are the World's Match Makers," with colorful, instructional Smith Chart™ designs and VSWR-Return Loss-Reflection Coefficient conversion formulas.

I really want these items to be "out there," so the new prices are set at cost +$2.

Cafe Press Items with "We Are the World's Matchmakers" design - RF Cafe Website

RF Cafe Custom Designs

These custom designs appear on my products. If there is a particular item offered by products that you would like us to add one of these designs to, please send an e-mail and let us know.

RF Engineers - We are the World's Match Makers™

This custom design by RF Cafe is a montage of Smith Charts with forbidden regions and their associated L-C networks, along with conversions between return loss, reflection coefficient, and VSWR.

Engineer's Troubleshooting Flow Chart Cafe Press Engineering Shirts, Mugs, Clocks, Hats - RF Cafe Website

Engineer's Troubleshooting Flow Chart

CafePress Items - RF Cafe Website

Maury Microwave / Noisecom UFX 7000B Noise Generator - RF Cafe Website

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...