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in this document you will briefly learn about the electrical measuring and measurement instruments
Typology: Study notes
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B.Tech Electrical Engineering IV Sem
Electrical Measurement & Measuring
Instruments
(EEE-412) Unit-IV
Introduction to CRO
Block diagram of CRO
Detailed description of
Multi –Input Oscilloscope
Lissajous Patterns
Application
Versatile electronic instrument giving visual display of
signals
Used for measurement of frequency , amplitude,
phase etc.
Also used in determining the nature and
characteristics of various components.
Has a high bandwidth range thus making it a sensitive
and accurate device.
Easier to use as the internal routine act as a guide
to the user.
THE MAIN PARTS OF
CATHODE RAY TUBE
ARE:
The most common one is of - TWO INPUTS
.
Although FOUR and EIGHT inputs are
available for special applications
With the help of lissajous figures we
can measure…….
Frequency
Phase
sin Ф =
c/b