Digital sampling oscilloscope pdf
Italy 4. Spain 4. Rest of Europe 4. Asia Pacific 4. Asia Pacific Market, — Units 4. China 4. Japan 4. India 4. South Korea 4. South-East Asia 4. Rest of Asia Pacific 4. Latin America 4. Latin America Market, — Units 4. Brazil 4. Mexico 4. Rest of Latin America 4. The Middle-East and Africa 4. GCC Countries 4. South Africa 4. Competitor Market Share — Revenue 6. Competitor Market Share — Volume 6. Strategic Developments 6. Acquisitions and Mergers 6. New Products 6.
Tektronix Inc. Company Overview 7. Sales, Revenue, Price, and Gross Margin 7. Revenue and Growth Rate 7. Market Share 7. Agilent Technologies Inc. Keithley Instruments 7. Keithley Instruments Revenue and Growth Rate 7. Keithley Instruments Market Share 7. Fluke Corporation 7. Fluke Corporation Revenue and Growth Rate 7.
Fluke Corporation Market Share 7. LeCroy Corporation 7. LeCroy Corporation Market Share 7. Yokogawa Electric Corporation 7.
Yokogawa Electric Corporation Market Share 7. GWInstek America Corp. Others 7. Others Revenue and Growth Rate 7. Others Market Share 7. Introduction and Taxonomy 8. Digital Oscilloscope Market — Key Trends 8. Market Drivers 8.
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Need an account? Click here to sign up. Download Free PDF. Amna Khalid. A short summary of this paper. Download Download PDF. Translate PDF. During tidal alterations, waves in a sea or any water body change with a symmetry of dips and rises.
Waves can be of various types, whether in water bodies that a layman can encounter in everyday life, or even in a laboratory for convenience of scientists to make some observations. In scientific view, waves are mostly used to represent comparison of two quantities that interprets behavior of the two. Shape of these waves is waveform which is of various types. In early times, the waveforms were constructed and designed by hand according to the information collected by the scientists through difficult methods of calculations.
The difficulties of measurement led to inventions to make calculations of waveforms simpler. In many cases a waveform is a study of voltage with intervals of time where time is studied on x- axis and voltage on y-axis; most of the results are of the form of sine waves. Through these waveforms various measurements can be done; peak to peak, amplitude, instantaneous, peak and rms value. It is possible to get different forms of waveforms, full wave, half wave, sine wave, cosine wave or linear wave.
In any of the waveform definite information can be obtained and since the very purpose is to get information and the waveform always holds some data, it is often termed signal. In earlier times these signals or waveforms were represented on waveform viewers but with time this implementation changed and is now digital. Oscillograph was the instrument used for studying alternating current in terms of current and voltage parameters.
Electromagnetic oscillograph was invented by William Duddell for measurement of electric current by passing it from a magnetic field. The tube of a CRT was invented by Heinrich Geissler who evacuated a mercury pump to form a tube comprised of vacuum, in In , Julius Plucker proposed existence of the invisible cathode rays.
In , Johann Hittorf observed that unknown rays from the negative electrode had the power to cast a shadow on the illuminated wall in their way which implemented that they travelled in straight line. Arthur Schuster implemented that these rays had the tendency to endure deflection upon application of electric fields in and the implementation that these rays could be deflected by magnetic fields was presented by William Crookes.
In , J. Thomson named the discovery of mass of cathode the particles which were subatomic particles later named electrons. Then, a German scientist, presented the cathode ray tube with phosphor coated screen in Nowadays, oscilloscope is the instrument used for that purpose which was adapted from cathode ray tube by Karl Ferdinand Braun in Construction of a cathode ray oscilloscope itself depicts that it is an adaptation of cathode because where CRT is used to form a beam of electrons and direct it at a certain point, CRO has components to perform the same job although it is a bit more modified for where CRT shot a straight line of electrons illuminating the screen, CRO directs the pathway of the beam of electrons and allows a linear or even a sine wave to form according to the voltage-time relationship of the system.
Invention of the triggered sweep oscilloscope in was an adaptation of CRO. In coming years more adaptation took place but CRO offered more control and the basic mechanism was always the same.
Cathode Ray Oscilloscope; A cathode ray oscilloscope CRO is used to represent a waveform on an instrument and CRO provides best source as a digital instrument for representing and studying the waveforms.
It can be said as an adaptation of CRT and its structure is somewhat varied for different applications; in case of television it requires a multiple beam electron gun so as to give the capability of showing different colors in the images on the TV screen. Construction; Its construction involves a number of components that each have a certain role to play in the mechanism of the CRO.
This is because if the negative potential connected to the system is very high, then since grid will also be highly negative, it will emphasize the beam of electron hence organizing a strong electron beam to enter the deflection system, which is the real purpose of the electron gun. These are connected to the voltage scale of the system which controls the deflection of the Y-plates which in turn controls the deflection of the electron beam.
The input signal is sampled and stored in the shift register. From the shift register, the signal is slowly read out and stored in the digital form. This method reduces the cost of the converter and operates up to megasample per second. The only disadvantage of the digital oscilloscope is that it does not accept the data during digitisation, so it had a blind spot at that time. For visualising the final wave, the oscilloscopes use the technique of inter-polarization. The inter-polarization is the process of creating the new data points with the help of known variable data points.
Linear interpolation and sinusoidal interpolation are the two processes of connecting the points together. In interpolation, the lines are used for connecting the dot together. Linear interpolation is also used for creating the pulsed or square waveform. For sine waveform, the sinusoidal interpolation is utilised in the oscilloscope. Working Principle of Digital Storage Oscilloscope The digital oscilloscope digitises and stores the input signal.
Theses factors are the Sampling rate Nature of converter.
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