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Click here to read about RF CafeKirt

... single-
what an
engineering website
should be.

View the YouTube RF Cafe Intro Video Carpe Diem!
(Seize the Day!)

5CCG (5th MOB):
My USAF radar shop

Hobby & Fun

Airplanes and Rockets:
My personal hobby website

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

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About RF Cafe©

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RF Cafe Advertiser -

As with most venues provided to the public at no direct charge, RF Cafe relies on the generosity of independent advertisers to underwrite the production costs of the endeavor. It is with the greatest sincerity that I thank the companies who have chosen to support RF Cafe.

Of course, without visitors (you), both regularly returning and new arrivals, there would be no incentive for companies to spend their hard-earned money on advertising. My job is to see to it that advertisers and visitors always have a reason to maintain a presence on the website.

Here is a complete list of RF Cafe advertisers.  Here is the RF Cafe advertising information page.

Company: Highlighted Ad
no fees ~ no commissions ~ it's free !
If it's electronic or electrical - find it here or sell it here lets you sell your used and surplus electronics the old fashion way. You communicate directly with the prospective buyer/seller throughout the entire transaction.
Trade used transmitters, sell vintage receivers, advertise your antennas; it is all up to you.
 • Buy & Sell for FREE !
  • No Commissions
   • No Listing Fees
    • No Final Value Fees
     • No Photo Hosting Fees
      • Dealers Welcome
       • Ads Will Appear Immediately
Ads must be related to radio, television,
audio, lasers, hobbyist electronics, etc.
How do I get paid? That is entirely up to you. Let people know right off if you will not accept personal checks or if you do accept PayPal or credit cards. In all cases, will not get involved in the transaction.

 RF Cafe Page Placements
Highlighted Ad & Logo:
Logo Only (page sponsor):
Engineering Crossword Puzzle Appearances Sell your surplus & used electronics gear the old fashion way. Communicate directly with the prospective buyer/seller. Trade used transmitters, sell vintage receivers, advertise your antennas; it is all up to you.
A Disruptive Web Presence

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Over 10,000 pages indexed! (none duped or pirated)

Read About RF Cafe
Webmaster: Kirt Blattenberger

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

RF & EE Symbols Word
RF Stencils for Visio

Product & Service Directory
Personally Selected Manufacturers
RF Cafe T-Shirts & Mugs

RF Cafe Software

Calculator Workbook
RF Workbench
Smith Chart™ for Visio
Smith Chart™ for Excel