Branch Unspecified
09 Jul 2008


I had one TIA board which I got that from my senior, after long days I started using the same, but I'm facing with a problem like when I give an optical power as the input am unable to see the output power.
I tought like opamp might be the culprit and tested the +ve and -ve supply voltages of the opamp which are showing fine.

Is there anyway to test the opamp.??


10 Jul 2008
why dont ya make a test bench,which are available in datasheets,or better is replace the op-amp with a new one then see.

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