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Page "Electronic oscillator" ¶ 14
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LC and oscillators
Crystals have very high Q-factor and also better temperature stability than tuned circuits, so crystal oscillators have much better frequency stability than LC or RC oscillators.
Crystal oscillators often use the same circuits as LC oscillators, with the crystal replacing the tuned circuit ; the Pierce oscillator circuit is commonly used.
In negative resistance oscillators, a resonant circuit, such as an LC circuit, crystal, or cavity resonator, is connected across a device with negative differential resistance, and a DC bias voltage is applied to supply energy.
LC oscillators:

LC and are
Typical LC oscillator circuits are the Hartley, Colpitts and Clapp circuits.
In contrast full alphanumeric and / or variable graphics displays are usually implemented with pixels arranged as a matrix consisting of electrically connected rows on one side of the LC layer and columns on the other side, which makes it possible to address each pixel at the intersections.
There are many different types of LC phases, which can be distinguished by their different optical properties ( such as birefringence ).
The contrasting areas in the textures correspond to domains where the LC molecules are oriented in different directions.
Metallotropic LCs are composed of both organic and inorganic molecules ; their LC transition depends not only on temperature and concentration, but also on the inorganic-organic composition ratio.
Other well-known LC examples are solutions of soap and various related detergents, as well as the tobacco mosaic virus.
The chiral pitch, p, refers to the distance over which the LC molecules undergo a full 360 ° twist ( but note that the structure of the chiral nematic phase repeats itself every half-pitch, since in this phase directors at 0 ° and ± 180 ° are equivalent ).
The pitch, p, typically changes when the temperature is altered or when other molecules are added to the LC host ( an achiral LC host material will form a chiral phase if doped with a chiral material ), allowing the pitch of a given material to be tuned accordingly.
The following examples are listed in reference to LD < sub > 50 </ sub > values, in descending order, and accompanied by LC < sub > 50 </ sub > values,
LC circuits are often used as filters ; the Q (" Quality " factor ) determines the bandwidth of each LC tuned circuit in the radio.
There are regular flights to Lima by LC Busre.
Level 1 is for Schengen passengers ( gates A01-A20, B01-B20 ), while levels 2 ( gates C01-C19, D01-D17 ) and Z ( gates A21-22, B21 ) are for non-Schengen passengers and level 0 has gates for walkboarding passengers reserved for LC traffic.
These may be combined in the RC circuit, the RL circuit, the LC circuit, and the RLC circuit, with the abbreviations indicating which components are used.
Classic Guitar, Lute and Vihuela Discography, Belwin-Mills Publishing Corp., Melville, NY, 1976, 116 p., LC: 75-42912 ( no ISBN ) (" There are more than 100 artists listed as well as approximately 400 composers and 400 individual records.
Merck is a pioneer in the field of LCD technology and the world ’ s largest producer of liquid crystals, which are required for the manufacture of LC / TFT displays.
* Central chemoreceptors of the central nervous system, located on the ventrolateral medullary surface, are sensitive to the pH of their environment .< ref name =" Cordovez "> Cordovez JM, Clausen C, Moore LC, Solomon, IC.
The existing methods for melamine determination using a triple quadrupole liquid chromatography – mass spectrometry ( LC / MS ) after solid phase extraction ( SPE ) are often complex and time consuming.
LC circuits are used either for generating signals at a particular frequency, or picking out a signal at a particular frequency from a more complex signal.
LC circuits are often used as filters ; the L / C ratio is one of the factors that determines their " Q " and so selectivity.
For example, when we tune a radio to a particular station, the LC circuits are set at resonance for that particular carrier frequency.
LC circuits behave as electronic resonators, which are a key component in many applications:
Normally a pacifist Faction, the matriarchal LC are forced to head to Earth in order to secure minerals to build their Evacuation Ship ( due to the Moon's general lack of accessible resources, in real life as well as in the game ).

LC and often
* In an LC oscillator circuit, the filter is a tuned circuit ( often called a tank circuit ) consisting of an inductor ( L ) and capacitor ( C ) connected together.
On older tablets, changing the pressure on the stylus nib or pressing a switch changed the properties of the LC circuit, affecting the signal generated by the pen, which modern ones often encode into the signal as a digital data stream.

LC and used
Thomson's oscillator placed an LC tuned circuit in parallel with the arc, used metal electrodes, and included a magnetic blowout.
The 68020 was used in the Apple Macintosh II and Macintosh LC personal computers, as well as Sun 3 workstations, the Hewlett-Packard 8711 Series Network Analyzers and later members of the HP 9000 / 300 family and the Alpha Microsystems AM-2000.
Chips with mask set 2E23G ( as used in the LC 475 ) have been confirmed to be faulty.
AAUI connectors were also present on some Processor Direct Slot Ethernet adapter cards used in Macintosh LC and Performa machines.
The " LC " name was subsequently used for a line of low-end Macintosh computers for several years and spanned the 68k to PowerPC transition.
The LC used a very small " pizza box " case with a PDS ( processor direct slot ) but no NuBus slots.
The LC, as with a number of other Macs of the day, featured built-in networking via " PhoneNet " that used standard RJ11 phone cabling and connector boxes.
A notch filter, usually a simple LC circuit, is used to remove a specific interfering frequency.
The LC & DR was used from Victoria to Brixton, followed by new construction by the LB & SCR through Denmark Hill, and Peckham to join their main line to London Bridge at South Bermondsey.
The table below shows the Lao consonant, its name, its pronunciation according to the International Phonetic Alphabet ( IPA ), as well as various romanisation schemes, such as the French-based systems in use by both the US Board of Geographic Names and the British Permanent Committee on Geographical Names ( BGN / PCGN ), the English-based system in use by the US Library of Congress ( LC ), Royal Thai General System of Transcription ( RTSG ) used in Thailand, and finally its Unicode name.
* Injection-locked oscillator, a type of oscillator used in LC circuits
This type of LC is not used a lot.
The designation ". 45 Long Colt ", sometimes abbreviated as ". 45 LC ", originated among military personnel to prevent confusion with the shorter-cased. 45 Schofield which was also used in. 45 Colt SAA revolvers by the US military.
The use of custom ICs, identical to those used in the LC, enabled the Classic II to have a lower component count than older Macs.
High performance liquid chromatography ( HPLC or LC ) is extensively used in lipidomic analysis to separate lipids prior to mass analysis.
It was first used in early phases of the late Bronze Age ( LCIB, 14th c. BC ) and continued in use for c. 400 years into the LC IIIB, maybe up to the second half of the 11th century BC.
Later, the Cutter system became the basis for the Library of Congress classification system ; the sections of call number used to alphabetically designate authors ’ names in the LC system are still known as " Cutter numbers.
These circuit elements can be combined to form an electrical circuit in four distinct ways: the RC circuit, the RL circuit, the LC circuit and the RLC circuit with the abbreviations indicating which components are used.

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