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• Ceramic materials
  ...self-controlled heating elements in, for example, the rear-window defrost circuits of automobiles. ...es]], LEDs) or as the transmission medium in local and long haul [[optical communication]] systems. Also of value to the emerging materials scientist is the sensiti
  28 KB (3,876 words) - 09:08, 20 September 2010
• Laser safety
  Interlocks are circuits that shut down a laser if some condition is not met, such as if the laser c ...r conditions. For example, some [[fiber optic communication]] systems have circuits that automatically shut down transmission if a fiber is disconnected or bro
  40 KB (6,222 words) - 20:31, 20 September 2010
• List of eponymous laws
  * [[Kirchhoff's laws]] — One law in thermodynamics and two about electrical circuits, named after [[Gustav Kirchhoff]]. * [[Metcalfe's law]] — In [[communication]]s and [[network theory]], states that the value of a system grows as appro
  35 KB (5,195 words) - 20:06, 21 September 2010
• Neuroproteomics
  ...drug addiction involves permanent synaptic plasticity of various neuronal circuits. Neuroproteomics is being applied to study the effect of drug addiction ac ...kely target as it involves communication between neurons. Lack of sensory communication in neurons is often an outward sign of [[drug abuse]], and so neuroproteomi
  17 KB (2,530 words) - 21:11, 21 September 2010
• Multiplexer
  ...to share one device or resource, for example one [[A/D converter]] or one communication line, instead of having one device per input signal. ...input information signals into one output signal, which carries several [[communication channel]]s, by means of some [[multiplexing|multiplex technique]]. A '''de
  14 KB (2,056 words) - 17:11, 9 December 2011
• Propagation delay
  ...' is the distance and ''s'' is the [[wave propagation speed]]. In wireless communication, ''s''=''c'', i.e. the [[speed of light]]. In [[copper wire]], the speed '' [[Category:Digital circuits]]
  4 KB (637 words) - 17:11, 9 December 2011
• Dual-modulus prescaler
  [[Category:Digital circuits]] [[Category:Communication circuits]]
  6 KB (964 words) - 17:11, 9 December 2011
• Variable-frequency oscillator
  ...equency.<ref name="Rohde88">{{citation | last=Rohde | first=Ulrich | title=Communication Receivers Principles and Design | publisher=McGraw Hill | year=1988 | isbn= ...ef name="Holt78">{{citation | last=Holt | first=Charles | title=Electronic Circuits | publisher=John Wiley & Sons | year=1978 | isbn=0-471-02313-2 }}</ref>
  12 KB (1,805 words) - 13:48, 10 December 2011
• Beat frequency oscillator
  ...89/css/14189_57.htm "Radiotelephone"], ''NEETS, Module 17--Radio-Frequency Communication Principles''. Integrated Publishing, Electrical Engineering Training Series [[Category:Communication circuits]]
  4 KB (569 words) - 13:48, 10 December 2011
• Passive analogue filter development
  ...external [[Alternating current|AC]] signal: there is a sudden peak in the circuits response when the driving signal frequency is at the resonant frequency of ...c waves", p.42, The Macmillan Company, 1893</ref> by building two resonant circuits, one of which was driven by a generator and the other was [[Tuner (radio)|t
  60 KB (9,254 words) - 13:49, 10 December 2011
• Crystal radio
  | title = Principles of Radio Communication |caption5 = Marconi Type 106 crystal receiver used for transatlantic communication, ca. 1921
  73 KB (10,437 words) - 13:50, 10 December 2011
• Phase-locked loop
  ...electronic applications. They can be used to recover a signal from a noisy communication channel, generate stable frequencies at a multiple of an input frequency ([ ...t was to develop an alternative receiver circuit that required fewer tuned circuits than the superheterodyne receiver. Since the local oscillator would rapidl
  37 KB (5,933 words) - 13:50, 10 December 2011
• Mm'-type filter
  :* Mole, J H, ''Filter Design Data for Communication Engineers'', London: E & F N Spon Ltd.,1952 {{OCLC|247417663}}. [[Category:Analog circuits]]
  15 KB (2,296 words) - 13:50, 10 December 2011
• Superheterodyne receiver
  ...y amplifiers in radio [[direction finding]] equipment. Unlike simple radio communication, which only needs to make transmitted signals audible, direction-finders me ...F) amplifier, if both the plate (anode) and grid are connected to resonant circuits tuned to the same frequency, stray [[capacitive coupling]] between the grid
  31 KB (4,651 words) - 13:50, 10 December 2011
• Composite image filter
  ...lanar Microwave Engineering: a Practical Guide to Theory, Measurement, and Circuits'', Cambridge University Press, 2004 ISBN 0521835267. * Mole, J H, ''Filter Design Data for Communication Engineers'', London: E & F N Spon Ltd.,1952 {{OCLC|247417663}}.
  21 KB (3,213 words) - 13:50, 10 December 2011
• Voltage-controlled oscillator
  ...th or triangular waveform. They are commonly used in monolithic integrated circuits (ICs). They can provide a wide range of operational frequencies with a mini ==VCO design and circuits==
  11 KB (1,653 words) - 13:51, 10 December 2011
• Single-sideband modulation
  ...[John Renshaw Carson]]. The U.S. Navy experimented with SSB over its radio circuits before [[World War I]].<ref>[http://dj4br.home.t-link.de/ssb1e.htm The Hist ...ply by delaying it, as it contains a large range of frequencies. In analog circuits, a wideband 90-degree phase-difference network<ref>[http://home.earthlink.n
  17 KB (2,658 words) - 13:51, 10 December 2011
• CMOS
  ...ata converters]], and highly integrated [[transceiver]]s for many types of communication. [[Frank Wanlass]] patented CMOS in 1967 ([[wikisource:United States paten ...and the family of processes used to implement that circuitry on integrated circuits (chips). CMOS circuitry dissipates [[Low-power electronics|less power]] tha
  22 KB (3,407 words) - 13:51, 10 December 2011
• Signal generator
  ...n security, typically use very proprietary methods. To test these types of communication systems, users will often create their own custom waveforms and download th ...tal pattern generators) are used as stimulus source for digital integrated circuits and embedded systems - for functional validation and testing.
  13 KB (1,767 words) - 13:51, 10 December 2011
• Frequency synthesizer
  ...]]) ([[Lookup table|Table-Look-Up]]). The third type are routinely used as communication system [[integrated circuit|IC]] building-blocks: indirect digital ([[PLL]] [[Category:Communication circuits]]
  14 KB (1,974 words) - 13:51, 10 December 2011

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