cro (cathod ray oscilloscope)
TRANSCRIPT
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BY :- SANDEEP R. RATHOD
En.No:-130353111007
GUIDED BY:-
SANKET PATEL
A PRESIANTATION ON
CRO(CATHOD RAY OSCYLOSCOPE)
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Oscilloscope Types Of Oscilloscope Working Of Oscilloscope Cathode ray TubesThe interior of a cathode-
ray tube for use in an oscilloscope A Tektronix model 475A portable analog
oscilloscope Use & Advantages
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An oscilloscope is a laboratory instrument commonly used to display and analyze the waveform of electronic signals. In effect, the device draws a graph of the instantaneous signal voltage as a function of time.
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Dual Beam Analogue Storage Digital Oscilloscope Digital Storage Digital Snapping Digital Phosphor PC Based Mixed
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A cathode ray oscilloscope is a very important electronic measuring Instrument.
It is used to display and measure electrical signals , Time intervals and phase shift between two electrical signals non electrical Quantities such as Pressure , strain and temperature can be measured by first converting them into an equivalent voltage using appropriate Transducer.
The internal section of an oscilloscope Vary depending on the model and manufacturer.
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i. Cathode ray Tube(CRT)
ii. Time Base Circuit
iii. Trigger Circuit
iv. Vertical Deflections System
v. Horizontal Deflections System
vi. High voltage Power Supply And,
vii. Low Voltage Power Supply
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Originally all oscilloscopes used cathode ray tubes as their display element and linear amplifiers for signal processing.
but modern oscilloscopes can have LCD or LED screens.
fast analog-to-digital converters and digital signal processors.
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The cathode ray tube (CRT) is a vacuum tube containing an electron gun (a source of electrons) and a fluorescent screen, with internal or external means to accelerate and deflect the electron beam, used to create images in the form of light emitted from the fluorescent screen.
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A typical oscilloscope has a display screen, numerous input connectors, and control knobs and buttons on the front panel.
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observe the exact wave shape of an electrical signal.
Measurement of voltage and current . Measurement of phase and frequency. In addition to the amplitude of the two
signal. oscilloscope can show distortion and
measure frequency..
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One of the advantages of a scope is that it can graphically show signals: where a voltmeter may show a totally unexpected voltage.
distortion is very small. Very fast instrument. Storage scopes are helpful for "capturing"
rare electronic events that cause defective operation.
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1. http://en.wikipedia.org/wiki/Oscilloscope
2. http://www.veenakumari.in/?q=node/22
3. Engineering Physics: Fundamentals & Modern Applications
• By P. Khare, A. Swarup(Page No:-74)
4. http://searchciomidmarket.techtarget.com/definition/oscilloscope
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