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An introduction
 In previous slides I try to give you the concept
of signal know its time to move on.
 Signal has two types.
 Analog si...
 You can see that the graph is analogous.
 Each and every point can be found.
 You can say that the analog signal is th...
 The signal which is defined for the discreet
interval of time.
 It is a subset of analog signal.
 Lets understand it w...
 It is the old one but I take it as example .
 Know you can see it clearly the temperature of
different days at 11 am.
...
 These signals are actually analog.
 The difference is of measuring we are not
measuring the temperature of whole day.
...
2. analog signal
2. analog signal
2. analog signal
2. analog signal
2. analog signal
2. analog signal
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2. analog signal

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it is the introduction about signals

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2. analog signal

  1. 1. An introduction
  2. 2.  In previous slides I try to give you the concept of signal know its time to move on.  Signal has two types.  Analog signal.  Digital signal.  Analog signal are those signal that changes them selves continuously.  Lets have an example
  3. 3.  You can see that the graph is analogous.  Each and every point can be found.  You can say that the analog signal is the signal which can take any value in the given limit.  In the given example the limit is from 0 to 47  As we are learning digital circuits so change the given example into voltage. i.e. change temperature at y axis to voltage v.  Lets have a look.
  4. 4.  The signal which is defined for the discreet interval of time.  It is a subset of analog signal.  Lets understand it with an example.  Lets we have to measure the temperature at 11 am daily.  So lets make a graph for it.  Have a look.
  5. 5.  It is the old one but I take it as example .  Know you can see it clearly the temperature of different days at 11 am.  We do not know about the temperature between 11 am of day 1 and day 2.  So this value of temperature between these two days is not available to us.  If we remove these parts off all days then the graph will be as
  6. 6.  These signals are actually analog.  The difference is of measuring we are not measuring the temperature of whole day.  If we join all points the graph shows that it is analog.  That is why it is called subset of analog.  All real life signals are analog signals.  I hope you understand all this.

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