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Blattenberger
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Airplanes and Rockets:
My personal hobby website

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My daughter Sally's horse riding business website - lots of info

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RF Cafe Custom Products

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.

Extremely Low Prices


I really want these items to be "out there," so the new prices are set at cost + 50¢.    Click Here

This design is sure to be popular with RF Cafe visitors, and will be added to the potential prizes for our monthly drawing of a name of someone who purchases RF Cafe software. Items that qualify for the RF Cafe T-shirt Contest are colored in GREEN.

RF Cafe Ringer T-shirt - front (blue or black trim), We Are the World's Matchmakers Smith Chart designRF Cafe Ringer T-shirt - back (blue or black trim), We Are the World's Matchmakers Smith Chart design
T-Shirt w/Color Trim		RF Cafe Lady's T-shirt - front (available in 3 colors), We Are the World's Matchmakers Smith Chart designRF Cafe Lady's T-shirt - back (available in 3 colors), We Are the World's Matchmakers Smith Chart design
Lady's T-Shirt		RF Cafe Black T-Shirt, We Are the World's Matchmakers Smith Chart design
Black T-Shirt (front only)
RF Cafe Coffee Mug - 15 oz. We Are the World's Matchmakers Smith Chart designRF Cafe Coffee Mug - 15 oz. We Are the World's Matchmakers Smith Chart design 
15 oz Large Coffee Mug		 RF Cafe Coffee Mug - 8 oz. We Are the World's Matchmakers Smith Chart designRF Cafe Coffee Mug - 8 oz., We Are the World's Matchmakers Smith Chart design
8 oz Coffee Cup		RF Cafe Ceramic Stein - 22 oz., We Are the World's Matchmakers Smith Chart designRF Cafe Ceramic Stein - 22 oz., We Are the World's Matchmakers Smith Chart design
22 oz Ceramic Stein
RF Cafe Gray Hooded Sweatshirt - front, We Are the World's Matchmakers Smith Chart designRF Cafe Gray Hooded Sweatshirt - back, We Are the World's Matchmakers Smith Chart design
Gray Hooded Sweatshirt		RF Cafe Gray Sweatshirt - front, We Are the World's Matchmakers Smith Chart designRF Cafe Gray Sweatshirt - back, We Are the World's Matchmakers Smith Chart design
Gray Sweatshirt		RF Cafe Lady's Tank Top - front (white only), We Are the World's Matchmakers Smith Chart designRF Cafe Lady's Tank Top - back (white only), We Are the World's Matchmakers Smith Chart design
Lady's Tank Top
RF Cafe Ceramic Tile, We Are the World's Matchmakers Smith Chart design
4.25"x4.25" Tile Coaster		RF Cafe Mouse Pad, Engineer's Troubleshooting Flowchart design
Mouse Pad		RF Cafe Baseball Cap, We Are the World's Matchmakers Smith Chart design
Baseball Cap

RF Cafe Custom Designs
These custom designs appear on our products. If there is a particular item offered by CaféPress™ 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™Engineer's Troubleshooting Flow Chart
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

Experts say that good humor has to have a bit of truth in it.

RF Cafe Software

RF Cascade Workbook
 RF Cascade Workbook is a very extensive system cascaded component Excel workbook that includes the standard Gain, NF, IP2, IP3, Psat calculations, input & output VSWR, noise BW, min/max tolerance, DC power cauculations, graphing of all RF parameters, and has a graphical block diagram tool. An extensive User's Guide is also included. - Only $35.
RF system analysis including
frequency conversion & filters

Smith Chart™ for Excel
Smith Chart™ for Visio
RF & EE Symbols Word
RF Stencils for Visio
A Disruptive Web Presence™

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