O QUE SIGNIFICA CRYSTAL DETECTOR EM INGLÊS
Detector de gatinho
Um detector de gato e bigode é um componente eletrônico antigo que consiste em um fio fino que toca levemente um cristal de mineral semicondutor para fazer um retificador de ponto-contato bruto. Desenvolvido pelos primeiros pesquisadores de rádio Jagadish Chandra Bose, G. W. Pickard e outros, este dispositivo foi usado como detector em rádios cristalinos iniciais, desde 1906 até a Segunda Guerra Mundial. Ele deu a esse tipo de receptor de rádio seu nome. Era o primeiro tipo de diodo semicondutor e, de fato, o primeiro dispositivo eletrônico semicondutor. O termo "bigode" de gato também foi usado às vezes para descrever o próprio receptor de cristal. Os detectores de gatinho são obsoletos e agora são usados apenas em rádios de reprodução antigos ou antigos, e para fins educacionais.
definição de crystal detector no dicionário inglês
A definição de detector de cristal no dicionário é um desmodulador, usado especialmente em circuitos de microondas e em receptores de rádio precoce, consistindo em um fio de metal fino em contato pontual com um cristal semicondutor.
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10 LIVROS EM INGLÊS RELACIONADOS COM «CRYSTAL DETECTOR»
Descubra o uso de
crystal detector na seguinte seleção bibliográfica. Livros relacionados com
crystal detector e pequenos extratos deles para contextualizar o seu uso na literatura.
1
Microwave Engineering: (as Per UPTU Syllabus)
Standing-wave crystal detector unit. The probe length inside the guide is
adjusted by a screw mechanism to provide loose coupling to the electric field.
The voltage is detected by any of the devices, viz crystal, bolometer or
thermocouple.
M. L. Sisodia, V. L. Gupta,
2005
2
Crystal Clear: Vintage American
Crystal Sets,
Crystal ...
DE-TEC-TONE Crystal Detector At Dealers or Direct Type "ll" (above) SI. 60 Type
"C" (below) SI. 50 Jobbers: Discounts am! Literature on request. PYRAMID
PRODUCTS COMPANY 117 N. Dearborn St Chicago Radio News (November
1924), ...
Thus you hear the experts speaking of the crystal detector — which, nevertheless
, makes the greatest appeal in simplicity and economy to millions of radio users.
The father of the crystal detector himself defends, in the following interview, the ...
4
Radiola: The Golden Age of RCA, 1919-1929
No. 14 Copper weld Antenna Wire This e»rton contain Detector. Westingliouse
V V RADIO OAPPARATUS "•''•□ Type DB Crystal Detector T,Pe IA in.ui.io, (As
Used in R A Receiving Set) ^ "V£rSi£ Style 307216 TypelA, No. 14 Copper Weld
...
... is used as shown in Fig. 13.1. Broad band detectors are also manufactured in
coaxial form. In order to pick up propagating fields, a coaxial line tunable probe
detector is used. Coaxial line Dielectric support Diode Crystal detector in its
mount ...
Annapurna Das, Sisir K. Das,
2000
The correct length of antenna for a crystal detector set is about the same as that
of the antenna used with vacuum tube sets in broadcast reception, that is, one
hundred feet including the lead-in. If the set does not tune sharp use a shorter ...
7
Applications of Piezoelectric Quartz
Crystal Microbalances
Since the quartz crystal detector is extremely sensitive to mass changes and the
water vapor is detected by measuring the change in mass of an hygroscopic film
on the crystal, and since the windblown Martian dust could accumulate on the ...
C. Lu, A.W. Czanderna,
1984
8
Handbook of Radioactivity Analysis
One flat surface of the cylindrical crystal detector is exposed to the radiation
source and the other end of the crystal is connected to a photomultiplier tube by
means of a light pipe and light-transmitting grease. The PMT converts the
individual ...
Michael F. L'Annunziata,
2012
A FIXED crystal detector that will stay in adjustment can be made by any
experimenter out of a short piece of glass tube, two bits of bus wire, two corks,
and some crystal galena. The glass tube should be about a quarter of an inch in
diameter ...
10
Audio level meter ME-71A/FCC.
OIUF 82 KC OUTPUT TO CRYSTAL DETECTOR 9RI TM2I5I-I3 ing dc flows
through the detector circuit. The charging path is from ground through load
resistor R23, crystal detector CR1 to capacitor C48. During the negative half
cycles of the ...
United States. Dept. of the Army,
1990
10 NOTÍCIAS NAS QUAIS SE INCLUI O TERMO «CRYSTAL DETECTOR»
Conheça de que se fala nos meios de comunicação nacionais e internacionais e como se utiliza o termo
crystal detector no contexto das seguintes notícias.
An Old-School Crystal Radio That Broadcasts High-Tech News
Caption: It uses something called a "crystal detector," in which a thin wire touches a semi-conducting crystal (Oliver's uses Zincite). Julian Oliver. «Wired, mar 15»
'I have seen so many changes' — Scotland's oldest man reflects on …
Scotland's oldest man has recalled an era where he listened to the radio via the 'cat's whisker' crystal detector device and was fined for driving ... «The Courier, mar 15»
Tales from the Morgue: Explaining the need for vacuum tubes
... the vacuum tube increases the incoming signal strength in a receiving set from 20 to 30 times over the receiving power of the crystal detector. «Arizona Daily Star, jan 15»
This Day in Jewish History / Visionary biologist who saw Vietnam …
Growing up, George was interested in electrical engineering; in 1919, he assembled a crystal detector radio so that he and his friends could ... «Haaretz, nov 14»
Centennial Convention Will Be an Event to Remember, ARRL …
Some key pieces on display include a 1907 spark transmitter/crystal detector set, a Collins 4A crystal controlled transmitter from 1935, ... «eHam.net, jul 14»
U-Boats, Spies, and White Magic: The Invention of Wireless …
... Sayville sent out press dispatches every night at 9:00 that amateurs around the country tuned in to using their hand-built crystal detector sets. «Gizmodo, jul 14»
Photographer Raising $270000 for a Camera That Can See through …
... futuristic camera, with the money primarily needed for a portable particle accelerator and a germanium crystal detector that go into making it. «PetaPixel, abr 13»
Once were heroes
They make great progress: in one month - September 1942 - the Sandakan underground manages to smuggle into the camp a crystal detector ... «Sydney Morning Herald, set 12»
Combo Slash iPhone Game Review
Navigating is still pretty easy, however, as you have an in-game crystal detector to find the fairy prisoner and the boss you must defeat. Still need more replay ... «Tapscape, jun 12»
Flagler's Competing Ham Radio Clubs Mark Field Day in Flagler …
A crystal detector can be fitted in emergency. (Stephen A. Schwarzman Building / Photography Collection, Miriam and Ira D. Wallach Division of ... «FlaglerLive.com, jun 12»