Explore topic-wise fullforms in Electronics

INFO: Full form for PWB is Printed Wiring Board in Electronics category
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Transmission Zero is an album released in November 2011 by Ghoul. It is the first album under their new label, Tankcrimes records.

INFO: Full form for VLT is Very Low Threshold in Electronics category
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INFO: Full form for UIW is Universal In-wall Speaker in Electronics category
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INFO: Full form for XHR is Xantrex Half Rack Power Supply in Electronics category
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INFO: Full form for CAAA is Coherent Adaptive Antenna Array in Electronics category
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INFO: Full form for EPAF is Electronics Personnel Action Forms in Electronics category
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INFO: Full form for BITE is Built-in Test Equipment in Electronics category
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INFO: Full form for WHAM is Waveform Hold and Modify in Electronics category
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INFO: Full form for ARTS is Automatic Range Transponder System in Electronics category
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INFO: Full form for UWE is Unlimited Weather Exposure in Electronics category
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INFO: Full form for EPU is Electronic Processor Unit in Electronics category
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Center for Defence Electronics Application Laboratory (DEAL) is a laboratory of the Defence Research & Development Organization (DRDO). Located in Dehradun, its primary function is research and development in the radio communication devices for defence applications. Its mission is development of Radio Communication Systems, Data links, Satellite Communication Systems, Millimeter Wave Communication systems

INFO: Full form for EPAC is Enhanced Perceptual Audio Coder in Electronics category
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INFO: Full form for ETAB is Executive Technical Advisory Board in Electronics category
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INFO: Full form for EHSI is Electronic Horizontal Situation Indicator in Electronics category
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INFO: Full form for URSI is Union Radio-scientifique Internationale in Electronics category
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INFO: Full form for TXRF is Total X-ray Fluorescence in Electronics category
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INFO: Full form for UED is Union Electronic Distributors in Electronics category
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INFO: Full form for TBAH is Tetra-butyl-ammonium Hydroxide in Electronics category
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INFO: Full form for TFV is Thermo-fuse Varistor in Electronics category
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INFO: Full form for TP&N is Triple Pole & Neutral in Electronics category
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INFO: Full form for ULF is Ultra-low Frequency in Electronics category
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INFO: Full form for WW is Wire Wrap in Electronics category
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INFO: Full form for WV is Working Volts in Electronics category
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INFO: Full form for VWB is Very Wide Band in Electronics category
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INFO: Full form for VFD is Virtual Field Device in Electronics category
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A vacuum fluorescent display (VFD) is a display device once commonly used on consumer electronics equipment such as video cassette recorders, car radios, and microwave ovens. LCDs, OLED displays and LED segment displays have now largely replaced VFDs.

A VFD operates on the principle of cathodoluminescence, roughly similar to a cathode ray tube, but operating at much lower voltages. Each tube in a VFD has a phosphor-coated carbon anode that is bombarded by electrons emitted from the cathode filament. In fact, each tube in a VFD is a triode vacuum tube because it also has a mesh control grid.

Unlike liquid crystal displays, a VFD emits a very bright light with high contrast and can support display elements of various colors. Standard illumination figures for VFDs are around 640 cd/m2 with high-brightness VFDs operating at 4,000 cd/m2, and experimental units as high as 35,000 cd/m2 depending on the drive voltage and its timing. The choice of color (which determines the nature of the phosphor) and display brightness significantly affect the lifetime of the tubes, which can range from as low as 1,500 hours for a vivid red VFD to 30,000 hours for the more common green ones. Cadmium was commonly used in the phosphors of VFDs in the past, but the current RoHS-compliant VFDs have eliminated this metal from their construction, using instead phosphors consisting of a matrix of alkaline earth and very small amounts of group III metals, doped with very small amounts of rare earth metals.

VFDs can display seven-segment numerals, multi-segment alpha-numeric characters or can be made in a dot-matrix to display different alphanumeric characters and symbols. In practice, there is little limit to the shape of the image that can be displayed: it depends solely on the shape of phosphor on the anode(s).

The first VFD was the single indication DM160 by Philips in 1959. The first multi-segment VFD was a 1967 Japanese single-digit, seven-segment device. The displays became common on calculators and other consumer electronics devices. In the late 1980s hundreds of millions of units were made yearly.

A variable-frequency drive (VFD) or adjustable-frequency drive (AFD), variable-voltage/variable-frequency (VVVF) drive, variable speed drive (VSD), AC drive, micro drive or inverter drive is a type of motor drive used in electro-mechanical drive systems to control AC motor speed and torque by varying motor input frequency and voltage.

VFDs are used in applications ranging from small appliances to large compressors. About 25% of the world's electrical energy is consumed by electric motors in industrial applications. Systems using VFDs can be more efficient than those using throttling control of fluid flow, such as in systems with pumps and damper control for fans. However, the global market penetration for all applications of VFDs is relatively small.

Over the last four decades, power electronics technology has reduced VFD cost and size and has improved performance through advances in semiconductor switching devices, drive topologies, simulation and control techniques, and control hardware and software.

VFDs are made in a number of different low- and medium-voltage AC-AC and DC-AC topologies.

INFO: Full form for ZCT is Zero Current Transition in Electronics category
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INFO: Full form for VFE is Voice Flow Engineering in Electronics category
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INFO: Full form for VFE is Variable Frequency Electronics in Electronics category
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INFO: Full form for VLW is Very Long Wave in Electronics category
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In physics, equations of motion are equations that describe the behavior of a physical system in terms of its motion as a function of time. More specifically, the equations of motion describe the behavior of a physical system as a set of mathematical functions in terms of dynamic variables. These variables are usually spatial coordinates and time, but may include momentum components. The most general choice are generalized coordinates which can be any convenient variables characteristic of the physical system. The functions are defined in a Euclidean space in classical mechanics, but are replaced by curved spaces in relativity. If the dynamics of a system is known, the equations are the solutions for the differential equations describing the motion of the dynamics.

There are two main descriptions of motion: dynamics and kinematics. Dynamics is general, since the momenta, forces and energy of the particles are taken into account. In this instance, sometimes the term dynamics refers to the differential equations that the system satisfies (e.g., Newton's second law or Euler–Lagrange equations), and sometimes to the solutions to those equations.

However, kinematics is simpler. It concerns only variables derived from the positions of objects and time. In circumstances of constant acceleration, these simpler equations of motion are usually referred to as the SUVAT equations, arising from the definitions of kinematic quantities: displacement (s), initial velocity (u), final velocity (v), acceleration (a), and time (t).

Equations of motion can therefore be grouped under these main classifiers of motion. In all cases, the main types of motion are translations, rotations, oscillations, or any combinations of these.

A differential equation of motion, usually identified as some physical law and applying definitions of physical quantities, is used to set up an equation for the problem. Solving the differential equation will lead to a general solution with arbitrary constants, the arbitrariness corresponding to a family of solutions. A particular solution can be obtained by setting the initial values, which fixes the values of the constants.

To state this formally, in general an equation of motion M is a function of the position r of the object, its velocity (the first time derivative of r, v = dr/dt), and its acceleration (the second derivative of r, a = d2r/dt2), and time t. Euclidean vectors in 3D are denoted throughout in bold. This is equivalent to saying an equation of motion in r is a second-order ordinary differential equation (ODE) in r,

where reference

INFO: Full form for EOM is Electronic and Optical Materials in Electronics category
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INFO: Full form for HSM is Hp (hewlett-packard) Suface Mount in Electronics category
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INFO: Full form for NMI is National Microelectronics Institute in Electronics category
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INFO: Full form for MSI is Microelectronics Society of India in Electronics category
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INFO: Full form for MSI is Music Or Speech Item in Electronics category
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INFO: Full form for MSA is Measurement System Analysis in Electronics category
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