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The Voltage about OPA695 Amplifier

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The Voltage about OPA695 Amplifier

Hello~friends,thanks for taking time to read my question,I hope I can find the answers from this forum.OK,time is money so let's enter into the subject directly.

My trouble is about "The voltage about OPA695 amplifier".(this is OPA695's datasheet)Let me describe my problems clearly.(Actually I would like to upload a circuit picture,but I don't know how to upload it here.)

I print a board after I make a circuit by using simulat5ion software. However, The voltage which have tagged in the picture is different from the simulate value when I texted the board. In fact,the voltage of R9 two sides  in the board just show 0.5V, and R8 shows 4.6v. I can’t understand why occurs such a question? I have review carefully the PCB board,there aren’t any wrong. Can you help me solve it?  

Please accept my appreciation first!

Have a nice day~

asked Mar 9, 2017 by letters109yahoo-com (140 points)

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