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RF Cascade Workbook 2005 - RF Cafe
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About RF Cafe

Kirt Blattenberger - RF Cafe WebmasterCopyright
1996 - 2016
Webmaster:
Kirt Blattenberger,
 BSEE - KB3UON

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 Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...

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

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Cool Products Archive - 1


The inventions and products featured on these pages were chosen either for their uniqueness in the RF engineering realm, or are simply awesome (or ridiculous) enough to warrant an appearance.

All Featured Product Archive Pages:

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |

NEC phone translates spoken Japanese into EnglishNEC has created the world's first real-time language translator that runs on a cellphone; the device can turn spoken Japanese sentences into their English language equivalent.
12-17-2007


Teledyne SGRF100 DPDT surface-mount relayThese surface-mount relays are from Teledyne. The SGRF100 (square body) and the SGRF300 (round body) have DPDT contacts and operate from DC to 6 GHz.
11-16-2007


Click for more info on the TI-Nspire calculatorThe TI-Nspire calculator uses computer-like interface with cursor, drop-down menus, and saving of screens.
10-22-2007
Cell phone jammerFor $1,850US and the cost of a 24 Vdc supply, you can take out whole restaurant full of yakking idiots with this 32 W jammer. Of course, it is only to be used in approved environments like prisons and opera halls.
12-8-2007


Click for more info on the HP 35s Scientific CalculatorHP 35s retro calculator, launched July 12, 2007. Original was name for its 35 keys, new model has keys 8 more keys, LCD vs LED, 359-page manual, RPN or algebraic entry.
11-11-2007


Click to download chartQRC Technologies has created a very high quality wall chart that covers all the current wireless frequency bands. It is in a convenient PDF format so you can scale and print it in a size to fit your needs.
10-11-2007
Red - Blue LED Faucet LightFor the technophile that can't remember whether he turned on the hot or cold water...
12-3-2007


USBCell - AA battery that recharges in a USB portThese USBCell batteries are NiMH cells that recharge via any USB port. AA, AAA, 9V, and cellphones sizes.
11-5-2007


Electric Field softwareThis FREE software named, appropriately, Electric Field, allows you to place point charges on the grid and then it will plot the resulting electric and magnetic fields.
10-3-2007
Wi-Spy 2.4 GHz spectrum analyzerWi-Spy is the world's smallest 2.4 GHz specan, and is designed specifically for troubleshooting and Wi-Spy 2.4 GHz spectrum analyzeranalyzing Wi-Fi networks. It shows signal strength for all Wi-Fi networks as well as Bluetooth, cordless phones, Zigbee, other.
11-23-2007


Manfred Kanther's Tuning Network Smith Chart for ExcelManfred Kanther's Tuning Network spreadsheet for Excel is an amazing piece of work. It uses extensive VBA code to facilitate the user interface, including the Smith Chart. Download it for free.
10-31-2007


Marki Microwave squarewave LO dirve mixers   9/26/2007These new high IP3 mixers w/integrated squarewave LO amplifiers by Marki Microwave claim to actually reduce multi-tone intermodulation products better than sinewave LOs.

9-28-2007