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Copper Mountain Technologies (VNA) - RF Cafe

Windfreak Technologies Frequency Synthesizers - RF Cafe


Please Support RF Cafe by purchasing my  ridiculously low−priced products, all of which I created.

RF Cascade Workbook for Excel

RF & Electronics Symbols for Visio

RF & Electronics Symbols for Office

RF & Electronics Stencils for Visio

RF Workbench

T-Shirts, Mugs, Cups, Ball Caps, Mouse Pads

These Are Available for Free

Espresso Engineering Workbook™

Smith Chart™ for Excel

RF Cafe Custom Software Offerings

PayPal logo - RF CafeSam's Club Gift Card - RF CafeYou do not need a PayPal account to use PayPal.

You are welcome to send Gift Cards as payment directly from Walmart, Lowes, Home Depot, or Sam's Club (where I do the most shopping). You designate the correct amount). Just let me know via e-mail and I will send your files once in receipt of the gift card.

Thank you for your decision to purchase software from the RF Cafe™ website. Your support helps ensure that quality, inexpensive software tools are developed to help make your job easier. Please review disclaimer prior to purchase, and be sure to include any special e-mail shipping instructions when on the PayPal™ site. Your generous support is greatly appreciated!

You DO NOT need a PayPal account to order - The process is the same as with any other online credit card purchase.

Note: I personally fill these orders once notified by PayPal. I'm usually around to fill them quickly, but sometimes - especially outside of normal business hours - it might be a while.

You will be sent an e-mail with a hyperlink for downloading the ZIP file, and a 32-character password for unlocking it.

Click on the titles for detailed information about the products and to order a Single User or Site license.
COMBO deals can be purchased below.

RF & Electronics Schematic & Diagram
Symbols for Office™ & Stencils for Visio™
Only $35 each

It was a lot of work, but I finally finished three versions of RF & Electronics Schematic & Block Diagram shapes - one for Office products (Word™, Excel™, and Power Point™) and two for Visio™. A-, B-, and C-size drawing templates with border and title block are included. Each version contains more than 1,000 shapes most often used for creating schematic and system block diagrams. Please click the icon of the version which interests you.

RF & Electronics Stencils for Visio™ consists a collection of standard .vss stencil files categorized by component types which allow drag-and-drop onto your drawing page. Page templates are standard .vsd files.

RF & Electronics Symbols for Visio™ has components grouped according to type onto tabbed pages in a standard .vsd file. This allows convenient inspection of how everything will actually look on your drawing. A copy & paste operation is used to transfer an object onto your drawing.

RF & Electronics Symbols for Office™ is for MS Word™, Excel™, and Power Point™ documents. Visio objects do not copy and paste well into Office documents. This version contains the same components as with Visio, but they are already in a Word document where each symbol was exported from Visio into .ems format, then imported into Word in a properly displaying, editable fashion. Symbols are grouped on pages for easy locating.

Price: Only $35 (each)

Discounts are available for combinations, and also Site Licenses are available for when you need 5 or more copies.

RF & Electronics Shapes COMBO Deals!

RF & Electronics Shapes COMBO Single User - RF CafeRF & Electronics Shapes COMBO Site License - RF Cafe

Ordering the RF & Electronics Shapes COMBO gets you all three sets for the price of two!


* "RF Cafe™" is the website hosted on the RFCafe.com domain, and is the property of webmaster Kirt Blattenberger. "Kirt Blattenberger" is the registered business name in the state of North Carolina. No Doing Business AS (DBA) or fictitious name is used.

RF Cascade Workbook™
Only $45

RF Cascade Workbook v2018.6 Is Available Now! - RF CafeRF Cascade Workbook v2018.6 is the next phase in the evolution of RF Cafe's long-running series, RF Cascade Workbook. Chances are you have never used a spreadsheet quite like this (click here for screen capture). It is a full-featured RF system cascade parameter and frequency planner that includes filters and mixers. Built in MS Excel, using RF Cascade Workbook is a cinch and the format is entirely customizable. It is significantly easier and faster than using a multi-thousand dollar simulator when a high level system analysis is all that is needed. An intro video takes you through the main features...

Price: Only $45

Discounts are available for combinations, and also Site Licenses are available for when you need 5 or more copies.

Owners of any previous version of RFCW2018 can get a free update (send me an e-mail).

Shapes & RFCW COMBO Deals!

Save big with the Super COMBO deal to get all four products:

RF Cascade Workbook™ and ...

RF & Electronics Stencils for Visio™ and ...

RF & Electronics Symbols for Visio™ and ...

RF & Electronics Symbols for Office™

Upon request, I will also include the RF Workbench User Manual.

Shapes & RFCW Super COMBO Single User - RF CafeShapes & RFCW Super COMBO Site License - RF Cafe

Site License Terms

A Site License, if purchased allows an unlimited number of users at one (1) location. Users must be officially affiliated with the site during the time of use. That means the license does not follow a user who permanently leaves the site (graduation, new employment, etc.). The license extends to persons whose primary job is normally performed at that location, but works occasionally from home or at a remote location. Hobbyists employed at the same location are welcome and encouraged to use the software. The single location restriction is imposed to limit distribution to local use for companies with multiple physical locations. This software may not be redistributed in any form, nor posted on the Internet or anywhere that it can be publicly accessed. The file(s) may be distributed on a server, via e-mail, etc., as needed for qualified users. 

End User License Agreement (EULA)

This product is NOT Shareware, Freeware, or an Evaluation version. Its legal use is contingent upon purchase directly from RF Cafe, as no distributors are authorized. Unauthorized copying, alteration or distribution of this product is prohibited by law. Please visit the RF Cafe website to submit payment for this product. Simply put, you may not use this product if you have not paid for it.

Disclaimer: All products are offered AS IS. Your use of this product implies you alone accept responsibility for results obtained through its use, and will hold harmless Kirt Blattenberger, RF Cafe, and all associates for any losses incurred through its use. This product has been tested very thoroughly, and there are no known problems at the time of release.

RF Workbench v4.0

Click to view full size System screen shot - RF CafeClick to view full size Spur Web screen shot - RF CafeClick to view full size Planning screen shot - RF Cafe

Please place order directly from the RF Workbench v4.0 Shareware License information page after reviewing terms.

Price: $20

Free Software - Created by RF Cafe

Espresso Engineering Workbook™

A sophisticated Excel workbook with a collection of commonly used calculators.

RF Cafe Espresso Engineering Workbook™ for Excel - RF Cafe

Smith Chart™ for Excel™

This combo version of Smith Chart for Excel™ includes both versions in a single workbook.

Smith Chart™ for Excel™ - RF Cafe

KR Electronics (RF Filters) - RF Cafe

About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024


    Kirt Blattenberger,


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 nice lady's voice announced "You've Got Mail" when a new message arrived...

Copyright  1996 - 2026

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

My Hobby Website: AirplanesAndRockets.com

My Daughter's Website: EquineKingdom

Windfreak Technologies Frequency Synthesizers - RF Cafe

PCB Directory (Manufacturers)

Anatech Electronics RF Microwave Filters - RF Cafe