Clean Audio for TV broadcast: An Object-Based Approach for Hearing-Impaired Viewers - April 2015
Dynamic-Range Limitations of Optical Couplers
The dynamic range of optical couplers has been investigated with respect to their applicability to hi-fi circuitry. It has been found that the dominant limitation is established by the shot noise of the photo diode. Circuit examples will be shown which yield a dynamic range in excess of 80 dB for less than 1% third-order intermodulation distortion.
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