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NOISE in OAs [SLYT-051 + SLVA043 + AN-104 + AN-358] Noise factor - PowerPoint PPT Presentation

Nov 21, 2022 •206 likes •308 views

NOISE in OAs [SLYT-051 + SLVA043 + AN-104 + AN-358] Noise factor Noise figure Note: these are powers, not intensities; G is the power gain (1) (1) no, the numerator is R M R G (1) (1) (1) (1) from SLVA043A For the configuration as

  1. NOISE in OAs [SLYT-051 + SLVA043 + AN-104 + AN-358]

  2.  Noise factor  Noise figure Note: these are powers, not intensities; G is the power gain

  5. (1) (1) no, the numerator is R M R G

  6. (1) (1) (1) (1) from SLVA043A

  8. For the configuration as differential amp. See SLVA043A For the fully differential opamp see SLYT051

  9. Which is worse, e n or i n ? It depends...  In this example ( A v =1) dependence on the source resistance is shown OPA227: low e n OPA277: low i n • i n makes more noise on a larger R s

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