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Oct 23rd, 2020, 4:09am
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Optical receiver Noise measurement (Read 2141 times)
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Optical receiver Noise measurement
Feb 03rd, 2014, 8:16am
dear All,
I would like to know  typical noise measurement of a optical receiver, my circuit consists of two single ended Trans impedance amplifiers and then these outputs are amplified with 3 stage differential amplifiers (around 70dB again total) .  In my lab we are measuring single ended noise variance with real time scope and multiplying with sqrt(2) for the total differential noise(assuming both are UN-correlated), is this UN-correlated assumption valid in all cases or any exceptions?

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