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2. RF module - Wikipedia

   en.wikipedia.org/wiki/RF_module

   An RF transmitter module is a small PCB sub-assembly capable of transmitting a radio wave and modulating that wave to carry data. Transmitter modules are usually implemented alongside a microcontroller which will provide data to the module which can be transmitted.

3. Reference designator - Wikipedia

   en.wikipedia.org/wiki/Reference_designator

   1A1A44J5 - Unit 1, Assembly 1, Sub-Assembly 44, Jack 5 (J5 is a connector on a box referenced as A44) 1A1A45J333 - Unit 1, Assembly 1, Sub-Assembly 45, Jack 333 (J333 is a connector on a box referenced as A45) A cable connecting these two might be: 1A1W35 - In the assembly A1 is a cable called W35. Connectors on this cable would be designated:

4. RF Micro Devices - Wikipedia

   en.wikipedia.org/wiki/RF_Micro_Devices

   The IPO of the company on the NASDAQ stock market occurred on June 3, 1997 under the symbol RFMD. [9] At the time of the IPO, the company was a pioneer and leader in the use GaAs HBT process technology for commercial wireless applications, which had benefits in power efficiency, linearity, complexity and size, while also having expertise in older GaAs MESFET and silicon polar transistor ...

5. Traveling-wave tube - Wikipedia

   en.wikipedia.org/wiki/Traveling-wave_tube

   The TWT is an elongated vacuum tube with an electron gun (a heated cathode that emits electrons) at one end.A voltage applied across the cathode and anode accelerates the electrons towards the far end of the tube, and an external magnetic field around the tube focuses the electrons into a beam.

6. List of vacuum tubes - Wikipedia

   en.wikipedia.org/wiki/List_of_vacuum_tubes

   This is a list of vacuum tubes or thermionic valves, and low-pressure gas-filled tubes, or discharge tubes.Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics.

7. AOL Mail

   mail.aol.com/?offerId=netscapeconnect-en-us

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

8. Induction lamp - Wikipedia

   en.wikipedia.org/wiki/Induction_lamp

   The exact frequency varies with lamp design, but popular examples include 13.6 MHz, 2.65 MHz and 250 kHz. A special resonant circuit in the driver produces an initial high voltage on the coil to start a gas discharge; thereafter the voltage is reduced to normal running level.

9. FarmVille 2 Backyard Retreat Items: Everything you need to know

   www.aol.com/news/2012-10-02-farmville-2-backyard...

   While a set of "Welcome" items were released a week ago, the game's first true limited edition item theme comes in the form of "Backyard Retreat," which contains a new crop, tree, animal and ...