Multi-Channel Amplifier Techniques
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United States of America Patent
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Issued Date -
Oct 11, 2012
app pub date -
Apr 6, 2012
filing date -
Apr 8, 2011
priority date (Note) -
Abandoned
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Abstract
Techniques for amplifying a plurality of input voltages to generate a corresponding plurality of output voltages. In an exemplary embodiment, each of the plurality of input voltages is referenced to a common voltage comprising the average of the plurality of input voltages, without the need to reference an independently provided common voltage. In an alternative exemplary embodiment, techniques are provided for automatically measuring the input impedance between any two nodes corresponding to the plurality of input voltages. Further techniques are provided for coupling input nodes of the amplifier modules to a common reference voltage, and to the housing of the apparatus.
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