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Topic: Crystal oven

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Definition: crystal oscillator Note 2: Types of crystal oscillators include voltage-controlled crystal oscillators (VCXO), temperature-compensated crystal oscillators (TCXO), oven-controlled crystal oscillators (OCXO), temperature-compensated-voltage controlled crystal oscillators (TCVCXO), oven-controlled voltage-controlled crystal oscillators (OCVCXO), microcomputer-compensated crystal oscillators (MCXO), and rubidium crystal oscillators (RbXO). crystal oscillator (XO): An oscillator in which the frequency is controlled by a piezoelectric crystal. Note 1: A crystal oscillator may require controlled temperature because its operating frequency is a function of temperature. www.atis.org /tg2k/_crystal_oscillator.html   (108 words)

Fair Radio Sales Company Inc. TRANSISTORIZED CRYSTAL OSCILLATOR and BUFFER, 56 to 99 Mhz with 75 *C temperature controlled oven. MODULE, includes 3 MHz crystal oven which is divided to 500 KHz output, amplified and then divided again to produce 100 KHz output. Precision RF Oscillator Module produces 500 Khz and 100 Khz reference signals from a temperature compensated 3 Mhz crystal oscillator. www.fairradio.com /module.htm   (108 words)

Encyclopedia of Laser Physics and Technology - nanowires, neodymium-doped laser crystals, noise eaters, nonclassical light, nonlinear crystals, numerical aperture The disadvantage, however, is that the crystal temperature is usually somewhat away from room temperature, so that a temperature-stabilized crystal oven is required. Transparent crystalline crystal materials can exhibit different kinds of optical nonlinearities which are often resulting from a nonlinear polarization. The phase mismatch is minimized by adjusting the crystal temperature so that the phase velocities of the interacting beams are equal. www.rp-photonics.com /encyclopedia_n.html   (108 words)

Reflector shield protects during reflow: News from Tecan In the reflow oven the shield reflects heat energy, thereby preventing damage to the component body, while simultaneously allowing conducted heat from the bottom of the PCB to reflow the solder paste effectively, ensuring a good joint every time. Pioneered by Weymouth based Tecan, the reflow reflector shield is custom built to fit over leaded components, such as connectors, crystal oscillators and switches, during the reflow process. Typically, these components are those which were not originally designed to cope with reflow oven temperatures. www.engineeringtalk.com /news/tea/tea121.html   (108 words)

MKT The four main categories are clock oscillators (XOs), voltage controlled crystal oscillators (VCXOs), temperature controlled crystal oscillators (TCXOs) and oven controlled crystal oscillators (OCXOs). The lower-end clocks and crystals are stand-alone simple crystals and clock oscillators that generally sell in the $0.25 to $5.00 price range, are available from tens of sources and are manufactured almost exclusively in East Asia. The high-end crystal oscillator market can be segmented into several categories depending, to a first approximation, on the accuracy of the source itself. cas.uah.edu /simpsonj/mkt_606_sample.htm   (2855 words)

Earpiece Online A standard crystal earpiece with a very high impedance and 1m of lead terminated in a 35mm jack plug. I have heard that the earpiece is similar to a tiny microwave oven. Crystal Earpiece has free UK delivery when you spend 35£ or more Maplin - Earpieces - Crystal Earpiece... www.cell-phone-depot.info /paris-hilton-cell-phone/earpiece-.html   (2855 words)

Oscillator FAQs from International Crystal The crystal is kept at a constant temperature inside an enclosure (oven). The VCXO is a crystal oscillator with an electronic frequency modulation input pin to control the output frequency. A crystal-controlled oscillator is an oscillator that has a crystal in place of the L-C tuned circuit that significantly improves the oscillator's frequency stability. www.icmfg.com /oscillatorfaqs.html   (510 words)

Oscillator Manufacturers, Crystals, Resonators, Oven Controlled Oscillators, QPL Devices Oscillator Manufacturers, Crystals, Resonators, Oven Controlled Oscillators, QPL Devices This is a general listing of Crystal and Oscillator manufacturers and vendors. The listing is subdivided into Resonator manufacturers, Crystal Oscillator manufacturers, Generic Oscillator manufacturers, or "control" Oscillator manufacturers [ TCXO, VCXO], and a manufacturing listing with every thing else, Filters, Synthesizers, clocks and so on. www.interfacebus.com /oscillators.html   (296 words)

OCXO Oven Controlled Crystal Oscillator An Oven Controlled Crystal Oscillator (OCXO) is an oscillator operated inside a temperature controlled oven which keeps the crystal and the oscillator circuit at a constant temperature. The overall stability of OCXOs is far superior to that of other crystal oscillators. We offer a summary of the terms used to describe oscillator specifications. www.ecoxtal.be /html/OCXO.htm   (77 words)

Liquid Crystal Thermometer - Compare Prices, Reviews and Buy at NexTag - Price - Review related searches:liquid thermometer,galileo liquid thermometer,liquid crystal tv,crystal,liquid edition,liquid candle,liquid cooling,liquid pinnacle,liquid highlighters,liquid plumber,liquid pectin,liquid pencil,liquid wax,liquid tv,liquid mind,level liquid,galileo thermometer,car thermometer,oven thermometer,mercury thermometer Liquid crystal thermometer for all types of reptile, amphibian or invertebrate enclosures. A liquid crystal, flexible thermometer for measuring surface temperatures of the body. www.nextag.com /liquid-crystal-thermometer/search-html   (255 words)

Radio-Electronics.Com :: Oven Controlled Crystal Oscillator (OXCO) Crystal oscillators show a high degree of stability even when the outside temperature is varied over a significant range. These OCXO units are naturally more expensive than crystals, but their performance is considerably enhanced on that of a simple crystal in an unregulated electrical and physical environment. By heating the crystal to a temperature above that which would normally be encountered within a piece of electronic equipment the temperature of the crystal can be maintained at a constant temperature. www.radio-electronics.com /info/data/crystals/ocxo.php   (255 words)

GC3 The Crystal Maze was a TV show', 'Chestnuts roasting on an open fire, turkey in the oven, strange relatives that you haven't seen for years and the Christmas kid's special of The Crystal Maze on the television. Once you have completed all the zones, and gathered your crystals, you are sent off to the center of the maze, where lies the Crystal Dome. You are taken, along with five other contestants into the Maze, where you have to solve various puzzles, or complete certain tasks in order to win Crystals. www.gamecollect.net /site/game/game.php?id=16   (521 words)

EDC - Electro Dynamics Crystal - Home We also offer a full line of Oscillator products from clock oscillator to oven controlled crystal oscillators. We thank you for your interest in Electro Dynamics Crystal Corporation (EDC) and look forward to the opportunity to serve your needs. We manufacture the highest quality Quartz Crystal Resonators, from high frequency tight tolerance items to low cost microprocessors and military specifications. www.electrodynamics.com   (195 words)

Market reports, business information and market research from Midnight Croquet. Key Note GLASSWARE Report. Household penetration of glass oven and tableware was high in 2001, 63.9 percent had heat-proof products made of glass and 74.9 percent had glassware/crystalware. Manufacturers have responded to changing tastes by introducing more simplistic and casual designs to augment the traditional fine crystal for which many are renowned. The US is by far the single most important export market and the terrorist attacks on 11th September 2001 had an immediate and detrimental effect on trade for those companies, which are heavily reliant on the North American market. www.the-list.co.uk /acatalog/kn26042.html   (195 words)

XT-4 ART While these crystals are somewhat cheaper than the "HA" crystals, by the time you buy the oven and its associated transformer (they usually pull about one amp at 6 volts), you have probably exceeded the cost of the "HA" crystal, in addition to having an oscillator of bulky size with AC voltages nearby. Certainly one of the advantages of a good crystal oscillator is the ability to keep a given frequency from "cold" to "warm" hours later. While crystal controlled RTTY Is particularly beneficial - In fact all but mandatory for good autostart operation, It would certainly appeal to those who don’t care to use their 25—30 tube transmitter where an Inexpensive $50 c.w. www.rtty.com /development/Auxiliaries/XT-4   (195 words)

Oscillator FAQs from International Crystal The crystal is kept at a constant temperature inside an enclosure (oven). The VCXO is a crystal oscillator with an electronic frequency modulation input pin to control the output frequency. A crystal-controlled oscillator is an oscillator that has a crystal in place of the L-C tuned circuit that significantly improves the oscillator's frequency stability. www.icmfg.com /oscillatorfaqs.html   (195 words)

Bell Telecommunication Philippines Inc. Types of crystal oscillators include voltage-controlled crystal oscillators (VCXO), temperature-compensated crystal oscillators (TCXO), oven-controlled crystal oscillators (OCXO), temperature-compensated-voltage controlled crystal oscillators (TCVCXO), oven-controlled voltage-controlled crystal oscillators (OCVCXO), microcomputer-compensated crystal oscillators (MCXO), and rubidium crystal oscillators (RbXO). A crystal oscillator is an oscillator in which the frequency is controlled by a piezoelectric crystal. The capability for cellular phones, PCs and other communications devices to be activated or controlled by voice commands. www.belltel.ph /glossary_v.htm   (171 words)

Latest news from C-Mac Microtechnology on Electronicstalk C-Mac Microtechnology has a new range of highly competitive single-oven oven-controlled crystal oscillators. C-Mac MicroTechnology has released the first commercial products based on its proprietary TC-OCXO (temperature-compensated oven-controlled crystal oscillator) technology. C-Mac MicroTechnology has developed a range of TCXO (temperature compensated crystal oscillators) pre-eminently suitable for "Beidou" receivers. www.electronicstalk.com /news/cma/cma000.html   (291 words)

Clapp oscillator What's crystal oscillator precision and topics related to mounted oscillator sm surface is required by pulse oscillator cannot be controlled crystal oscillator oven quartz cannot be ultrasonic oscillator. colpitts oscillator either clock oscillator of temperature compensated crystal oscillator, also known as voltage controlled crystal oscillator and search for oscillator circuit without quartz crystal oscillator or crystal oscillator circuit topic. Purchase rf oscillator is not ac crossing oscillator switch zero, square wave oscillator both controlled crystal oscillator quartz temperature. www.thedirs.com /investing/clapp-oscillator.htm   (1033 words)

ISOTEMP RESEARCH, 434-295-3101, Miniature Crystal Ovens: Uses, Limitations and Specifications In the case where ambient temperatures are approaching the desired setpoint of the oven, very little power is required to heat the oven some incremental amount. In the case of a completely empty oven, when ambient temperatures equal that of the oven's setpoint, the oven will need zero power to maintain its temperature (all of the required energy is being supplied by the surrounding environment). Set Temperature The steady state operation temperature of the oven at +25 C ambient. www.isotemp.com /146-003/146-003.html   (1587 words)

Oscillators, Voltage Controlled - Canada (CA) Valpey Fisher designs and manufactures a wide range of frequency control products, including crystal units, crystal oscillators, voltage controlled crystal oscillators (VCXOs), temperature compensated crystal oscillators (TCXOs), oven controlled crystal oscillators (OCXO), and Clockhipz ICs. Corning Frequency Control manufactures precision frequency control products for the worldwide electronics market, including quartz crystals, clock oscillators, OCXOs, TCXOs, VCXOs, mini-ovens, and crystal filters. A division of Corning Incorporated, we serve the wireless and wired telecommunications infrastructure, test instrumentation, and position location markets. www.kellysearch.com /ca-product-64525.html   (274 words)

Oscillator Manufacturers, Crystals, Resonators, Oven Controlled Oscillators, QPL Devices Oscillator Manufacturers, Crystals, Resonators, Oven Controlled Oscillators, QPL Devices The listing is subdivided into Resonator manufacturers, Crystal Oscillator manufacturers, Generic Oscillator manufacturers, or "control" Oscillator manufacturers [ TCXO, VCXO], and a manufacturing listing with every thing else, Filters, Synthesizers, clocks and so on. This is a general listing of Crystal and Oscillator manufacturers and vendors. www.interfacebus.com /oscillators.html   (288 words)

Techtrol Cyclonetics, Inc. - The Leader In Ultra Low Noise Technology Techtrol Cyclonetics, Inc. is an industry leader in the design, development, and manufacture of ultra low noise crystal controlled microwave sources, frequency multipliers, phase locked multipliers, and crystal controlled oscillators for military and commercial markets. The companies’ crystal controlled sources and voltage controlled crystal oscillators are used in the design of ultra low noise radar exciters, noise measurement instruments, and sophisticated microwave systems and sub-systems. Our newest model, the 235H combines voltage control with a high performance oven to provide low phase noise with high temperature stability in a voltage controlled unit. www.tci-ant.com   (288 words)

Misc. Oscillator Types A VHF crystal may be phase-locked to a low frequency crystal to achieve low VHF phase noise with the close-in noise and low aging of the low frequency crystal. However, a microprocessor programmed with the crystal's offset frequency over temperature may be used to synthesize the correct frequency. These systems combine a low power oven oscillator with a Rubidium standard that is normally off. www.wenzel.com /documents/other.html   (436 words)

Balancing farmland preservation and development Little did he know that through working with the world famous oven builder Allen Scott and various other sourdough bakers, he would become the first Crystal Waters’ sourdough baker. Crystal Waters was designed and developed by Max Lindegger, Robert Tap, Geoff Young, and Berry Goodman beginning in 1985. The facility was built in Crystal Waters' commercial zone, adjacent to common land used for pasture, and was licensed by the Queensland Dairy Authority for a little over two years. www.newfarm.org /international/features/0604/australia/index.shtml   (2642 words)

Graphical user interface engine for embedded systems The embedded microprocessor also controls the device display which in a microwave oven is a small LCD (liquid crystal display). The microprocessor typically accepts user input, for instance from the keypad of the microwave oven, and controls operation of the microwave oven, for instance the level of heating and duration of cooking. The embedded microprocessor resident resources accessed by program 92 are: two variables in this case containing the values 123 and 321, and two functions that in this case turn on an LED and turn off an LED attached to the embedded microprocessor. patent.tange.dk /ziki/EP/1/0/EP1090344.html   (2642 words)

frequency oscillator ultralow Driven Harmonic Oscillator Cavity Oscillator Crystal Oscillator Oven Oscillator Design Frequency Oscillator Ultralow Citizen Oscillator Lc Oscillator Electronic Oscillator Frequency Oscillator Radio Rf... Voltage Audio Oscillator Ultrasonic Oscillator Microwave Oscillator Oscillator Wimax Frequency Oscillator Ultralow Voltage Controlled Oscillator Programmable Oscillator Crystal Oscillator Multi Wave... is a sapphire-loaded cavity oscillator (SLCO) at ultralow phase noise. frequencyoscillatorultralow.flogoscillator.com   (553 words)

Crystal Oscillator - Online Tips Crystal Oscillator Oven controlled crystal oscillators (OCXO) The OCXO is an oscillator which is temperature controlled (Ovenized crystal controlled oscillator). A crystal oscillator circuit is an active rf component with a sole purpose to produce a perfect sine wave... Because of the inherent characteristics of the quartz crystal the crystal oscillator may be held to extreme accuracy of frequency stability. www.ocrystal.com /crystaloscillator   (1844 words)

optics.org - New Products BBO crystal in oven, prism and dichroic mirror for pump injection are hermetically sealed to protect them against dust and humidity. Wavelength tuning is achieved by automatic rotation of nonlinear crystal and change of cavity mirrors by stepper motor. Steering mirrors direct the pumping beam through telescope and dichroic mirror to the OPO cavity. optics.org /press/3545   (182 words)

History and Theory To remove this film, Davisson and Germer baked the specimen in a hot oven which, unknown to them, caused the nickel to anneal, creating large single-crystal regions on the specimen with crystal planes that were continuos over the width of the electron beam. In 1927 Clinton Davisson and Lester Germer, while working at Bell Telephone Laboratories, were studying the surface of a piece of polycrystalline nickel by directing a beam of electrons at the surface and observing how many electrons bounced off at various angles. While conducting the experiment, air accidentally leaked into the vacuum chamber that the nickel was in and an oxide film was formed on the nickel. antoine.frostburg.edu /engin/sem/history.html   (618 words)

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