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Glossary

29,259 technical terms and definitions

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wide i/o

advanced packaging

Wide I/O is an early 3D-stacked DRAM standard designed for mobile applications that placed memory directly on top of the logic processor — using a 512-bit wide interface with TSV…

wide-io

business & strategy

Wide-IO is a wide-bus low-power memory interface strategy designed to increase throughput through parallelism rather than very high clock rate - It is a core method in modern…

wide metal rules

design

Wide metal rules are special design rules that apply to metal features exceeding a specified width threshold — addressing the unique manufacturing, reliability, and performance…

widlar current mirror

bob widlar, low current bias, bandgap reference bias, bipolar current scaling

A Widlar current mirror adds a single resistor in series with the output transistor's emitter, and that one resistor exploits the logarithmic relationship between a bipolar…

width multiplier

model optimization

Width Multiplier is a scaling parameter that uniformly adjusts channel counts across a neural network - It offers a simple knob for trading off accuracy against compute…

wien bridge oscillator

rc oscillator, sine wave oscillator, barkhausen criterion, audio oscillator

A Wien bridge oscillator generates a clean sine wave by using a frequency-selective RC lead-lag network as a positive feedback path around an amplifier, choosing the one frequency…

wigner d-matrix

graph neural networks

Wigner D-Matrix is rotation matrices for irreducible representation spaces used to transform equivariant feature channels - They provide the exact linear action of 3D rotations on…

wilcoxon signed-rank

quality & reliability

Wilcoxon Signed-Rank is a non-parametric paired-sample test that evaluates median shift in matched observations - It is a core method in modern semiconductor statistical…

William Pfann

William Gardner Pfann, zone refining, zone melting, zone leveling, Zone Melting 1958, Bell Labs metallurgist, segregation coefficient

William Pfann (1917–1982) was a Bell Labs metallurgist who invented zone refining in 1951, a way of purifying materials by passing a narrow molten zone along a solid rod, and who…

william shockley

shockley, shockley semiconductor laboratory, traitorous eight, junction transistor theory, mountain view, shockley eugenics

William Shockley (1910-1989) was an American physicist who shared the 1956 Nobel Prize in Physics for the transistor, wrote the theory of the junction transistor, and founded…

wilson current mirror

current mirror accuracy, bipolar current source, base current cancellation, precision current mirror

A Wilson current mirror reaches the same high output impedance a cascode current mirror achieves, but through active feedback correction instead of passive voltage shielding…

win rate

evaluation

Win Rate is the percentage of head-to-head comparisons where one model output is preferred over another - It is a core method in modern AI evaluation and governance execution.…

wind power ppa

environmental & sustainability

Wind Power PPA is procurement of wind-generated electricity through long-term power purchase agreements - It secures renewable supply and price visibility without owning…

wind-turbine-micro-scale machine learning

micro-scale wind turbine, micro-scale wind, wind turbine

Micro-Scale Wind Turbine Introduction & Motivation Micro-Scale Wind Turbine addresses a central problem in energy-generation process control…