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Differential Amplifier

 
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PostPosted: Thu Sep 11, 2008 8:24 pm    Post subject: Differential Amplifier Reply with quote
The output voltage of the basic differential amplifier is the difference between the two inputs, or Acl = g(VJ-V2), where g is the gain factor. Because all resistors in this example are of equal value, the gain is unity. However, a gain of 10 may be obtained by making the feedback resistor 10 times larger than the input resistors, under the conditions that both feedback resistors are equal and the input resistors are equal.


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