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Q.

How does CRO work?

Asked by sunil, 24 Jan '09 10:09 am
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Answers (3)

1.

In general, the instrument is operated in the following manner. The signal to be displayed is amplified by the vertical amplifier and applied to the verical deflection plates of the CRT. A portion of the signal in the vertical amplifier is applied to the sweep trigger as a triggering signal. The sweep trigger then generates a pulse coincident with a selected point in the cycle of the triggering signal. This pulse turns on the sweep generator, initiating the sawtooth wave form. The sawtooth wave is amplified by the horizontal amplifier and applied to the horizontal deflection plates. Usually, additional provisions signal are made for appliying an external triggering signal or utilizing the 60 Hz line for triggering. Also the sweep generator may be bypassed and an external signal applied directly to the horizontal amplifier.
Answered by gkr, 24 Jan '09 01:22 pm

 
  
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2.

Please refer : http://en.wikipedia.org/wiki/Oscilloscope#Cathode-ray_oscilloscop e_.28CRO.29.
Answered by D chhetri, 24 Jan '09 10:12 am

 
  
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3.

They work on outsourcing basis
Answered by jay shah, 24 Jan '09 10:10 am

 
  
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