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A TWTA consists of a traveling-wave tube coupled with its protection circuits ( as in klystron ) and regulated power supply Electronic Power Conditioner ( EPC ), which may be supplied and integrated by a different manufacturer.
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TWTA and traveling-wave
A traveling-wave tube ( TWT ) is a specialised vacuum tube that is used in electronics to amplify radio frequency ( RF ) signals to high power, usually as part of an electronic assembly known as a traveling-wave tube amplifier ( TWTA ).
TWTA and tube
The equipment deck at the base of the craft held the battery, transponder, flight programmer, inertial reference unit ( IRU ), Canopus star tracker, command decoder, multiplex encoder, traveling wave tube amplifier ( TWTA ), and the photographic system.
The subsequent addition of a linearizer ( as for inductive output tube ) can, by complementary compensation, improve the gain compression and other characteristics of the TWTA ; this combination is called a linearized TWTA ( LTWTA, " EL-tweet-uh ").
TWTA and with
A TWT integrated with a regulated power supply and protection circuits is referred to as a traveling-wave-tube amplifier ( abbreviated TWTA and often pronounced " TWEET-uh ").
TWTA and its
The USGS Flight Operations Team were able to apply lessons learned while operating the redundant TWTA to the primary TWTA for its first successful transmission in over 22 years.
TWTA and ),
The spacecraft used X-band for science return ( downlink only ), using dual 20 W TWTAs until the failure of the last remaining TWTA in January 2008.
TWTA and be
The bandwidth of a broadband TWTA can be as high as one octave, although tuned ( narrowband ) versions exist ; operating frequencies range from 300 MHz to 50 GHz.
TWTA and by
" TWT " has been pronounced by engineers as " twit ", and " TWTA " as " tweeta ".
TWTA and .
A TWTA whose output drives an antenna is a type of transmitter.
TWTA transmitters are used extensively in radar, particularly in airborne fire-control radar systems, and in electronic warfare and self-protection systems.
The remaining TWTA is in fact the primary TWTA that was in operation when Landsat 5 launched in 1984.
After several issues in late 1986 and 1987, the primary TWTA was turned off and the secondary, or redundant, TWTA had been used since.
consists and tube
The front triangle consists of the head tube, top tube, down tube and seat tube.
The rear triangle consists of the seat tube and paired chain stays and seat stays.
Geiger counter instruments consists of two main elements ; the Geiger-Muller tube and the processing and display electronics.
The prince's wand consists of a hollow tube with a threaded cap at the end.
The basic pitot tube consists of a tube pointing directly into the fluid flow.
A vacuum tube consists of two or more electrodes in a vacuum inside an airtight enclosure.
Automatic digital melting point meter M5000A basic melting point apparatus for the analysis of crystalline solids consists of a oil bath with a transparent window ( most basic design: a Thiele tube ) and a simple magnifier.
Another version is the Ubbelohde viscometer, which consists of a U-shaped glass tube held vertically in a controlled temperature bath.
The digestive system consists of a simple tube running the length of the body, with the anus being at the posterior end.
The alimentary canal consists of a straight tube that often has a gizzard-like " gastric mill " for grinding food and a pair of digestive glands that absorb food ; this structure goes in a spiral format.
The game consists of each panellist in turn announcing a landmark or street, most often a tube station on the London Underground system.
The most common form of non-racing buggy consists of a tube frame, which is sturdy and simple to construct and repair.
The continuous spectrum consists of " bremsstrahlung " radiation: radiation produced when high-energy electrons passing through the tube are progressively decelerated by the material of the tube anode ( the " target ").
A Geiger – Müller tube consists of a tube filled with a low-pressure () inert fill gas.
Typically, the bolt consists of a tube of metal inside of which the firing mechanism is housed, and which has at the front or rear of the tube several metal knobs, or " lugs ", which serve to lock the bolt in place.
This is usually achieved with an apparatus called a column, which consists of a hollow tube tightly packed with extremely small porous polymer beads designed to have pores of different sizes.
The pars flaccida consists of two layers, is relatively fragile, and is associated with eustachian tube dysfunction and cholesteatomas.
It consists of a bulb containing mercury attached to a glass tube of narrow diameter ; the volume of mercury in the tube is much less than the volume in the bulb.
consists and coupled
Non-adiabatic dynamics consists of taking the interaction between several coupled potential energy surface ( corresponding to different electronic quantum states of the molecule ).
Unlike parallel systems, in which the processors are tightly coupled and constitute a single database system, a distributed database system consists of loosely coupled sites that share no physical components.
An inductively coupled plasma ( ICP ) for spectrometry is sustained in a torch that consists of three concentric tubes, usually made of quartz.
An inductively coupled plasma ( ICP ) for spectrometry is sustained in a torch that consists of three concentric tubes, usually made of quartz.
A cellular automaton consists of a regular grid of cells, each in one of a finite number of states, such as on and off ( in contrast to a coupled map lattice ).
Playing an air guitar usually consists of exaggerated strumming and picking motions and is often coupled with loud singing or lip-synching.
; Plus sign "+": the locomotive or multiple unit consists of permanently coupled and mechanically separated individual vehicles.
At its core, the anti-pattern consists of a system partitioned into two parts: user interface and business logic, that are coupled through a single point, clicking the " magic pushbutton " or submitting a form of data.
The Josephson effect is the phenomenon of supercurrent — i. e. a current that flows indefinitely long without any voltage applied — across a device known as a Josephson junction ( JJ ), which consists of two superconductors coupled by a weak link.
The single-shaft system consists of one gas turbine, one steam turbine, one generator and one Heat Recovery Steam Generator ( HRSG ), with the gas turbine and steam turbine coupled to the single generator in a tandem arrangement on a single shaft.
A gamma camera consists of one or more flat crystal planes ( or detectors ) optically coupled to an array of photomultiplier tubes, the assembly is known as a " head ", mounted on a gantry.
The language consists of a basic framework of hierarchical markup derived from S-expressions, coupled with some general principles about use and extensibility.
In the context of electric power generation and large fixed electrical power systems, a motor-generator consists of an electric motor mechanically coupled to an electric generator ( or alternator ).
Normally a unit consists of one powered vehicle fitted with twin Railpac diesel engines, semi-permanently coupled to an unpowered slave unit without engines ( effectively a driving van trailer ).
New Waver's music consists of electronic elements ( from synthesizers, samplers and drum machines ), along with samples from TV nature programmes, advertisements, interviews with suicidal patients and audio books by the likes of Richard Dawkins, selectively chosen to reinforce the bleak, fatalistic message, coupled with dark humour.
A typical CMoy consists of two identical AC coupled, non-inverting operational amplifier circuits each with a 100kΩ input impedance.
* Tightly coupled system consists of component systems that use independent processes to construct and publicize an integrated federated schema.
A convenient approach, suitable for a wide class of problems, consists in the parametrisation of the CAD model coupled with a full automation of all the process required for function evaluation ( meshing, solving and result processing ).
A manual system consists of hand tools and other aids which are coupled by a human operator who controls the operation.
Electromagnetic radiation consists of coupled electric and magnetic fields.
One of these prodrugs termed G202 consists of an analog of the highly toxic natural product thapsigargin coupled to a peptide recognized as a substrate by the protease Prostate-Specific Membrane Antigen.
The engine range consists of the 1. 2L eight-valve Fire petrol capable of 69 PS, already present on the previous version and coupled to a 5-speed manual gearbox, while a new product is the 0. 9 L TwinAir two-cylinder with turbocharger capable of 85 PS and with Multiair.
A half-centre oscillator consists of two neurons that have no rhythmogenic ability individually, but produce rhythmic outputs when reciprocally coupled.
3.405 seconds.