field effect transistors are more similar
21Dynamic range compression — This article is about a process that intentionally reduces the dynamic range of audio signals. For similar reductions caused by circuit imperfections, see Gain compression. For processes that reduce the size of digital audio files, see Audio… …
22Conductive polymer — This article is about bulk applications of conductive polymers. For single molecule electronics, see Molecular scale electronics. Chemical structures of some conductive polymers. From top left clockwise: polyacetylene; polyphenylene vinylene;… …
23Bass instrument amplification — for the bass guitar, double bass and similar instruments is distinct from other types of amplification systems due to the particular challenges associated with low frequency sound reproduction. This distinction affects the design of the… …
24DNA nanotechnology — seeks to make artificial, designed nanostructures out of nucleic acids, such as this DNA tetrahedron.[1] Each edge of the tetrahedron is a 20 base pair DNA double helix, and each vertex is a three arm junction. DNA n …
25Multivibrator — A multivibrator is an electronic circuit used to implement a variety of simple two state systems such as oscillators, timers and flip flops. It is characterized by two amplifying devices (transistors, electron tubes or other devices) cross… …
26High Electron Mobility Transistor — HEMT stands for High Electron Mobility Transistor, and is also called heterostructure FET (HFET) or modulation doped FET (MODFET). A HEMT is a field effect transistor incorporating a junction between two materials with different band gaps (i.e. a …
27Overclocking — For other uses, see Overclocked. AMD Athlon XP overclocking BIOS setup on ABIT NF7 S. Front side bus frequency (external clock) has increased from 133 MHz to 148 MHz, and the clock multiplier factor has changed from 13.5 to 16.5… …
28Ruthenium — (pronEng|ruːˈθiːniəm) is a chemical element that has the symbol Ru and atomic number 44. A rare transition metal of the platinum group of the periodic table, ruthenium is found associated with platinum ores and used as a catalyst in some platinum …
29Electronic speed control — An electronic speed control or ESC is a device mounted onboard an electrically powered radio control model in order to vary its drive motor s speed, its direction and even to act as a dynamic brake in certain controllers.An ESC can be a stand… …
30Variable-gain amplifier — A variable gain or voltage controlled amplifier is an electronic amplifier that varies its gain depending on a control voltage (often abbreviated CV). VCAs have many applications, including audio level compression, synthesizers and amplitude… …
