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Why level translator used with cascaded differential amplifier? 

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The advantage of the suggested cascaded connection is the increasing of the output voltage levels in the same number of switching elements, in comparison with other cascaded structures.
This technique greatly reduces the calculation time, and is especially useful in designing cascaded amplifier systems, evaluating theoretical maximum transmission distance.
The concluded findings have been verified by simulation and experimental results, from which, important guidelines have been formulated for the cascaded converter when used in either unidirectional or bidirectional applications.
Furthermore, the developed model can be used for multilevel cascaded converters which exchange real power.
Proceedings ArticleDOI
R. Sternberger, D. Jovcic 
26 Jul 2009
7 Citations
Furthermore, the developed model can be used for multilevel cascaded converters which are exchanging real power.
Thus it also enables us through differential and integral operations to obtain other physics behavior for the gain fluency of laser pulse amplifier.
The impedance interaction between individually designed converters may make the cascaded system become unstable.
The measured data demonstrate that this technique expands the bandwidth to about twice that of a conventional differential amplifier.
Benefiting differential output voltage in the read operation, sense amplifier design is simple.
Besides, variations in dc gain of the control-to-output transfer function with the translator are smaller than those without the translator, thus making system control easy to attain.

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