Reversible current mirror and its use in bidirectional communication
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United States of America
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May 12, 2015
filing date -
May 12, 2015
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Abstract
A current mirror arrangement for duplex bidirectional communication between two circuit units may include in each circuit unit two identical transistors with their bases (36, 37) connected together and their bases and their collectors connected to each other respectively. Further, each of the connections between the bases and the collectors may be formed via a MOSFET. The MOSFETs of both circuit units may be connected together. More specifically, the MOSFETs' parasitic diodes of each circuit unit may be arranged in opposite directions with respect to the current system. The pair of MOSFETs in a first of the two circuit units may comprise n-channel enhancement-mode MOSFETs, and the pair of MOSFETs in a second of the two circuit units may comprise p-channel enhancement-mode MOSFETs.
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