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Topic: TWT


  
  Home   (Site not responding. Last check: 2007-10-29)
TWT DISTRIBUTING is a category management company and distributor for the ethnic health and beauty industry serving grocery and drug retailers, as well as mass merchandising chains.
At TWT, we are dedicated to the goal of establishing long-term, profitable relationships with our customers by providing products and services uniquely tailored to each of our customers.
We are well aware that many retailers have had to make exceptions in the way they do business, when working with other ethnic products distributors, in order to maintain an updated ethnic department in their stores.
www.twtdist.com   (179 words)

  
 CPI / BMD Products Including Receiver Protectors, Switches, Pressure Windows, Magnetrons, Traveling Wave Tubes, Crossed ...
In normal operation, an rf signal introduced at the cathode end of the helix travels along the circumference of the helix at approximately the velocity of light, although the velocity in the direction of the beam is reduced by the pitch-to-circumference ratio of the helix.
Modulation in the Ring Loop TWT is accomplished by applying the carrier signal to the rf input element and applying the intelligence to the control anode.
By this, the TWT is made to either amplify or phase or pulse modulate the rf carrier signal, depending on the applied signal and the TWT parameters.
www.cpii.com /bmd/twt1.htm   (1499 words)

  
 Optimizing Traveling-Wave Tubes
A traveling-wave tube (TWT) is an electron beam device that is used to amplify electromagnetic communication waves at radio and microwave frequencies.
TWT’s are critical components in deep-space probes, geosynchronous communication satellites, and high-power radar systems.
Consequently, increasing the power efficiency of TWT’s has been the primary goal of the TWT group at the NASA Lewis Research Center over the last 25 years.
www.lerc.nasa.gov /WWW/RT1998/5000/5620wilson1.html   (416 words)

  
 TWT Logistics - Tailor made transportation, logistical & warehousing solutions.
From its inception in the late 1980s, TWT Logistics quickly developed an excellent reputation for handling time-critical consignments in the print industry.
In 2001 TWT joined Pall-Ex, the award winning pallet distribution network.
In 2003 the Managing Director of TWT was instrumental in the development of the revolutionary Pall-Ex hub operation in Leicestershire, which is the first purpose built hub operation in its business sector.
www.twt-logistics.com   (285 words)

  
 TWT and Quasilinear Theory
In the linear regime, the measured ensemble-averaged wave growth rates and beam velocity diffusion rates agree reasonably with quasi-linear and resonance-broadening theory; in the nonlinear regime up to saturation, the discrepancies are larger, but not consistent with a general growth rate enhancement.
Analytic calculations using the theory of two-point correlations suggest that in the weak turbulence regime, the nonlinear enhancement of mode growth is smaller than predicted.
In related experiments on TWT, we have investigated the phase relationship between three waves: a wave of large amplitude that trapped an electron beam and an upper and a lower sideband of small amplitude.
sdphca.ucsd.edu /TWT.html   (736 words)

  
 Type Quarry: Browse by Family
TWT New Millennium is a remarkable work: clear and accessible, available in three distinct but compatible styles.
TWT New Millennium Linear is a close but 'monotone' relative of the Sans face.
TWT New Millennium Sans is a 'humanist sans' in the Optima vein.
www.typequarry.com /fams.html?cart=10614938411026231   (755 words)

  
 traveling-wave tube - a Whatis.com definition - see also: TWT   (Site not responding. Last check: 2007-10-29)
A traveling-wave tube (TWT) is a specialized vacuum tube used in wireless communications, especially in satellite systems.
A TWT can be made to function as an oscillator by coupling some of the output back into the input.
A parametric amplifier is a TWT amplifier that operates from a high-frequency alternating current (AC) power source, rather than the usual direct current (DC) source.
whatis.techtarget.com /definition/0,,sid9_gci284003,00.html   (368 words)

  
 MCL, Inc.World-Leading Amplifier Technology for Satellite Communications
This compact, cabinet mount TWT amplifier is available for C, X, Ku, and Dual C/Ku-Band applications at 400 watts, and DBS-Band applications at 270 watts.
The MT3400 antenna mount TWT amplifier is available for C, X or Ku-Band applications at 400 watts, or DBS-Band applications at 270 watts.
The MT7000 cabinet mount TWT high power amplifier is available for C or X-Band applications with a flange output level of 2000 watts.
www.mcl.com /static/newSite/static/prod/main.html   (772 words)

  
 TWT Distributing Inc. to Source Ethnic Health and Beauty Care for Kroger Company   (Site not responding. Last check: 2007-10-29)
TWT Distributing, Inc., plans to conduct demographic and purchasing research and draw upon its years of industry experience to create and implement a program which will ensure that Kroger's ethnic customers will be able to select from a wide variety of high-quality ethnic health and beauty care products.
Established in 1992, TWT Distributing, Inc. distributes the top ethnic brands in hair care, facial care, cosmetics, hosiery and hair accessories to grocery, drug and discount chains and wholesalers throughout the United States.
TWT Distributing, Inc. is a member of The General Merchandise Distributors Council, The Carolina Grocers Association and The Carolinas Minority Supplier Development Councils Inc. All trademarks acknowledged.
www.prnewswire.com /cgi-bin/stories.pl?ACCT=104&STORY=/www/story/09-09-2004/0002246906&EDATE=   (357 words)

  
 Power and Efficiency Optimized in Traveling-Wave Tubes Over a Broad Frequency Bandwidth
Bottom: Computed power efficiency with constant input drive power for a TWT designed with the second broadband design algorithm is comparable to that for the baseline Hughes 961HA TWT from 59 to 63 gigahertz but is considerably higher at 63.5 and 64 gigahertz.
TWT's are critical components in deep space probes, communication satellites, and high-power radar systems.
The algorithms were incorporated into the NASA coupled-cavity TWT computer model (ref. 4) and used to design optimal phase velocity tapers using the 59- to 64-GHz Hughes 961HA coupled-cavity TWT as a baseline model.
www.grc.nasa.gov /WWW/RT2000/5000/5620wilson.html   (485 words)

  
 IVEC Summary, Session 4, TWT I
The first TWT session of the conference focused on design and performance of several different TWT types used for varied applications.
This TWT uses a finned-ladder circuit and has been successfully modeled for cold circuit dispersion and impedance with MAFIA and Microwave Studio.
Wideband TWT design and experimental development was presented by Dr. Joo of the Vacuum Electrophysics Laboratory of Seoul National University.
www.ewh.ieee.org /soc/eds/ivec/2002/ivec_2002_summary_summary04.html   (476 words)

  
 Silent Communication software - Talking without Talking TWT - FAQ
The TWT solution gives end-users the ability to accept or initiate voice calls and communicate while remaining silent.
While millions of calls are being missed TWT gives the end user the ability to answer the calls, therefore a dramatic increase of voice calls is achieved.
The TWT SMART solution is a standalone application, which means no server side is required.
www.silentcom.com /twt_faq.html   (388 words)

  
 Modular Low-Heater-Power Cathode/Electron Gun Assembly for TWT's
Among the applications are TWT’s for Earth-orbiting communication satellites and for deep space communications, where future missions will require smaller spacecraft, higher data transfer rates (higher frequencies and radiofrequency output power), and greater electrical efficiency.
A particularly important TWT application is in the microwave power module (a hybrid microwave/millimeter wave amplifier consisting of a low-noise solid-state driver, a small TWT, and an electronic power conditioner integrated into a single compact package), where electrical efficiency and thermal loading are critical factors and lower cost is needed for successful commercialization.
The modular cathode/electron gun assembly consists of four subassemblies—the cathode, the focus electrode, the header (including the electrical feedthroughs), and the gun envelope (including the anode)—a diagram of which is shown in the figure.
www.lerc.nasa.gov /WWW/RT1999/5000/5620wintucky.html   (616 words)

  
 TWT Distributing Inc. to Source Ethnic Health and Beauty Care for Kroger Company - Business News from Send2Press ...
TWT Distributing, Inc. will be responsible for developing consumer-driven marketing and promotional programs aimed at attracting new customers to Kroger stores.
Based in Charlotte, North Carolina, TWT Distributing, Inc. is the leading distributor of health and beauty care products and toiletries for African Americans and Hispanics.
TWT Distributing, Inc. is a member of The General Merchandise Distributors Council, The Carolina Grocers Association and The Carolinas Minority Supplier Development Councils Inc. More information: http://www.twtdist.com
www.send2press.com /PRnetwire/pr04_090901-twtdist.shtml   (909 words)

  
 TWT
Apologies for the lack of updates, tripod was being strange again and we had to go over to their HQ and bust some ass before we could update the site.
So as this summer goes by too quickly, I continually find it depressing that the constant TWT flow of great music had to be interrupted in order to conquer Europe.
Unfortunately, due to a sharp increase in school work, Andrew and Sam are considering relinquishing the TWT song writing duties, and passing the torch to Eric and Rico.
thenwewillthrash.tripod.com   (2447 words)

  
 MPEI dep. TWT   (Site not responding. Last check: 2007-10-29)
At present TWT Department and Scientific and Training Centre of Geothermal Energy (STS Geo) do a joint research work under agreement with Electric Power Research Institute (EPRI), USA, to improve turbine steam chemistry.
TWT Department implements one of filming (octadecylamine-base) amine for equipment layup at power plants.
TWT Department has up-to-date instruments to determine low levels (1-2 ppb) of impurities (among them chloride, sulfate, phosphate, nitrate, nitrite, acetate (anion of acetic acid), formate (anion of formic acid), oxalate, ammonia, potassium, sodium, iron, copper etc.) in water and steam (ion chromatograph DIONEX (USA), atomic absorption spectrophotometer AAS-3 (Germany) etc.).
twt.mpei.ac.ru /eng/prod.htm   (823 words)

  
 The White Tower   (Site not responding. Last check: 2007-10-29)
She will be a great addition to the leadership in tWt.
She was part of the founding members of tWt and she will be missed more than she knows.
Finally, the last thing I want to tell you guys is that tWt is not accepting applicants as of now.
lommtwt.whitetowergames.org   (2703 words)

  
 DLD 72-12 - ISG REPORTS TWT EARNINGS   (Site not responding. Last check: 2007-10-29)
"July's strong revenue results position TWT for profitability and coupled with an increase in bottom line profits indicates that the Company's break- even point is covered by its base of business," stated Donald Booth president of TWT.
Booth further stated that, as previously announced, TWT has signed a number of new contracts within the past eight weeks and revenues generated from these contracts will begin to hit the Company's books in October and November 1996 thus positioning the last calendar quarter of 1996 as TWT's most profitable in its history.
As reported on September 4, 1996, TWT announced the key addition of five telecommunications switches to be implemented the last quarter of l996.
www.thedigest.com /72/72-12.html   (510 words)

  
 MCL, Inc. MT4500 Product   (Site not responding. Last check: 2007-10-29)
THE MT4500 is available using proven TWT technology with the Tri-Band RF module RF output levels (tube) of 325 watts for C-Band (5.850-6.425GHz), 450 watts for X-Band (7.90-8.40GHz), or 325 watts for Ku-Band (14.00-14.50GHz).
The high voltage outputs are regulated, filtered and conveniently directly connected to the TWT to minimize the introduction of signal noise to the TWT.
The DC voltage outputs are regulated, filtered and conveniently directly connected to the RF modules through shielded cables to minimize the introduction of signal noise to the TWT.
www.mcl.com /static/newSite/static/prod/mt4500.html   (501 words)

  
 Total Web Technologies provides Hosting Solutions & Website Promotion
TWT's Virtual Web Hosting Solutions [VHS] provides a virtual Linux™ infrastructure in a secure, fully managed server environment with administration tools necessary to construct and manage a professional Enterprise-class presence on the Internet.
You have the flexibility to sign up on-line with same day set-up and choose from a variety of shared hosting options that offer everything from basic web site hosting, small business solutions and multiple web site management.
Below are just some benefits available to you by becoming a TWT client.
www.twtech.com.au   (185 words)

  
 Amplifiers - Used Surplus Equipment
TWT Amplifier, 2 to 4GHz, 20 Watts, Type N
TWT Amplifier from 8 to 12.4GHz, 39.5dB Gain, 20 Watts Output
Watkins Johnson 3041-1 TWT Amplifier, 7 to 1...
www.labx.com /v2/newad.cfm?CatID=278&Page=25   (227 words)

  
 IVEC Summary, Session 22, TWT III
With only small changes to the gun and collector, the "new mini TWT" has been upgraded 2 to 3 dB, to provide between 150 to 270 watts from 6 to 18 GHz.
The data on a TWT 27.5 to 30 GHz TWT providing 150 watts average and 250 watts peak was presented.
R. Dionisio from Alelco SPA Microwave Tubes submitted a paper entitled High Power X-Band Helix TWT for Airborne Radar Applications, which was not presented since the authors were not able to participate in the conference.
www.ewh.ieee.org /soc/eds/ivec/2002/ivec_2002_summary_summary22.html   (360 words)

  
 TWT - ZDoom
TWT, or TOGoS Wad Tool, is a lump management tool, written in Ruby, that is primarily meant for command-line or batch compilation of WAD files.
However, it is very good at moving raw lumps around, and it can be argued that, since ZDoom now natively supports PNGs for graphics and common sound files for music, lump conversion is hardly necessary anymore, anyway.
Here is an example TWT command which creates a wadfile including a README lump, a marked (between empty TX_START and TX_END lumps) set of lumps including whatever is in the directory textures or textures.wad, and all the maps in the maps directory (assuming TWT version 3.0.x):
www.zdoom.org /wiki/index.php?title=TWT   (189 words)

  
 TWT, Travelling Wave Tubes, Microwave tubes
Albacom manufacture a range of Klystrons, ring-bar, ring-loop, helix and coupled-cavity TWT Travelling Wave Tubes and with over thirty years design and manufacturing experience are capable of producing samples and initiating production to customers specifications in the shortest possible time.
Stage inspections are carried out and completed tubes are fully tested on purpose built equipment.
For more detailed TWT information, please go to our Customer Area.
www.albacom.co.uk /web/site/def_products/def_micro.asp   (233 words)

  
 TWT: Online Evaluation: TWT Phase III Final Evaluation - Leadership Strand :   (Site not responding. Last check: 2007-10-29)
TWT Phase III Final Evaluation - Leadership Strand
How valuable was the TWT Phase III curriculum in helping you accomplish the TWT objectives?
If you were a mentor, how successful were the staff you mentored in completing their TWT requirements?
pcc.hprtec.org /surveys/index.php?screen=phase_3_final_leadership   (333 words)

  
 Traveling Wave Tube (TWT) Amplifiers for Satellite Communication
Stellar TWT amplifiers provide reliability, long life and high linearity for 24-hour operations The Stellar TWT amplifier range covers all of the primary satellite frequency bands - C-Band, X-Band, Ku-Band, Dual Band, Tri-Band and Ka-Band.
With over 50 years' experience in the design and manufacture of Travelling Wave Tubes (TWTs), we are able to provide the highest level of RF performance combined with a low total cost of ownership.
Please contact us or request information if you have questions regarding our satellite communication travelling wave tube (TWT) Amplifiers or if you require a custom design.
www.djmelectronics.com /satcom-twt-amplifiers.html   (196 words)

  
 Amplifiers - Audio, Distribution, Microwave, RF and TWT
Linear Power Amplifier is a high quality, air-cooled, direct-coupled audio amplifier primarily intended for use with vibration systems
6 to 18 GHz, 50 Watts TWT Amplifier
8.0 - 18.0 GHz, 1 Kw Pulsed Microwave TWT Amplifier
www.atecorp.com /categories/amplifiers.htm   (146 words)

  
 Traveling Wave Tube (TWT) Amplifiers for EMC Testing
These traveling wave tube amplifiers are ultra wide-band with automatic fault recycle, user-friendly microprocessor-controlled logic with integrated computer interface and digital metering.
Each TWT power amplifier is backed by over two decades of TWT experience and CPI's worldwide 24-hour customer support network.
Please contact us or request information if you have questions regarding our travelling wave tube (TWT) Amplifiers or if you require a custom design.
www.djmelectronics.com /twt-amplifiers.html   (117 words)

  
 MPEI dep. TWT   (Site not responding. Last check: 2007-10-29)
It is no mere chance that TWT Department is one of the leading departments in the area of mathematical simulation and monitoring.
High prestige of TWT Department is based on authority of many well-known scientists and professors who worked and continue to work at the department, including:
Educational personnel of TWT Department performs training of students of Thermal Engineering, Industrial Thermal Engineering, and Energy-Physical Faculties of Moscow Power Engineering Institute.
twt.mpei.ac.ru /eng/spec.htm   (381 words)

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