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please help me to make an oscilloscope using avr with sample rate of more than 1000s/s . but i dont need very high rate. maybe 20ks/s is enough for me and the price is much more important.please help me
[email protected] ....etc

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Abstract:
This is one of great project based on AVR microcontroller. It use ATmega32 as processor and LCD 128 64 pixels for display. If you need to measure low frequency i thought this project, AVR oscilloscope, will be usefull. Maksimum frequency for AVR oscilloscope is 5 kHz (square signal), other signals (sine or triangle) the frequency is lower ( almost 1 kHz) for having clear view of the signal. Voltage input range is 24V AC / 30V DC.
This project use C language and CODEVISION as compiler. So, it will be more easy to understand t ....etc

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Cathode Ray Oscilloscope

Information given by oscilloscopes

Time and voltage
Frequency and phase
DC and AC components
Rise and fall time
Mathematical analysis ....etc

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RUBY CHAUDHARY



INTRODUCTION
Invented by German scientist Karl Ferndinand Braun in 1897.
He introduced CRT with Fluorescent screen and named it as CRO.
Consist of Cathode Ray Tube(CRT)

CRTs operates well in voltage range of 2-5 kv

Popular instrument to show time, voltage both DC and AC. Shows Volts / Time.
Display waveforms.
Opetares on Voltages.
Very fast X-Y Plotter
Movement of luminous spot in response to Input Voltage traces waveform w.r.t Time .

Cathode Ray Oscilloscope
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Introduction

The earliest version of the CRT was invented by the German physicist Ferdinand Braun in 1897 and is also known as the Braun tube. It was a cold-cathode diode, a modification of theCrookes tube with a phosphor-coated screen.

A cathode ray tube is a vacuum tube which consists of one or more electron guns, possibly internal electrostatic deflection plates, and a phosphor target. In television sets and computer monitors, the entire front area of the tube is scanned repetitive ....etc

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Cathode ray oscilloscope: Cross ray oscilloscope, ie CRO is an instrument used to test and observe the constantly changing signal voltages. Usually, it gives a two-dimensional frame of one or more parallel signals as a function of time. CRO device has many applications mainly in electronics and electric. The cathode ray oscilloscope has fast processing and traces the X-Y pattern at a very fast rate.In fact, the cathode ray oscilloscope is very fast X-Y plotters that can display an input signal as a function of time or other signal.
CRO Princi ....etc

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plz send me a readymade animated ppt on working of a cro ....etc

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DIGITAL STORAGE OSCILLOSCOPE

What is an OSCILLOSCOPE ??
An oscilloscope (also known as a scope) is a type of electronic test instrument that allows observation of constantly varying signal voltages, usually as a two-dimensional graph of one or more electrical potential differences.
A Digital Storage Oscilloscope (DSO)
A DSO is also like a conventional oscilloscope except that it uses digital memory to store the waveform. Thus it first digitizes the input analog signal by an analog to digital convertor and di ....etc

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To get full information or details of digital storage oscilloscope please have a look on the pages

http://seminarsprojects.net/Thread-digital-storage-oscilloscope

if you again feel trouble on digital storage oscilloscope please reply in that page and ask specific fields in digital storage oscilloscope ....etc

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