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What is the input voltage applied to Raspberry Pi Model B Revision 2 board? 

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This ensure its required transformation accuracy for rated input voltage.
Proceedings ArticleDOI
18 Apr 2011
19 Citations
This converter is capable to operate in universal input voltage condition.
Experimental data demonstrate that the CME coefficient αCME (B/Vac)is highly dependent on the applied voltage bias.
The proposed strategy responds to input voltage variations quickly and improves the efficiency and performance of the circuit.
The results show that the board is insensitive to large voltage distortions exceeding values recommended in the standards.
Consequently, the proposed converter is suitable for wide input-voltage range applications.
It is shown that the indirect conversion scheme is quite useful in the analysis of the input voltage unbalance.
The proposed configuration is suitable for high-input-voltage applications.
The proposed voltage control algorithm is applied on two different models, and each presented model has a substantial improvement over previous models.
These measurements indicate the macroscopic effects of varying a. c. and d. c. components of the applied input voltage.

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