Differential Amplifier Circuit
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Differential Amplifier Circuit

 
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gem



Joined: 08 Sep 2006
Posts: 1
Posted: Fri Sep 08, 2006 2:07 am    Post subject: Differential Amplifier Circuit Reply with quote
Please send me a circuit diagram of a high gain differential amplifier. This is needed for my project which will be a requirement for me to pass my course. Thank you very much for your help!
God bless and more power!


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Please help me pass my course.thank you very much!God bless!
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neon



Joined: 25 Feb 2006
Posts: 594
Posted: Sat Sep 09, 2006 9:03 am    Post subject: Reply with quote
There are many differential amps all with high open llop of A=gain. 90 and more. here is a very simple gain rules, put R1 value into [-] input and put R2 value from output to [-] and that ratio is DC gain. + goes to gnd with R1 !! R2. the output in this case is negative with respect to input. the same ratio applies with follower setup.
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