US Patent 7889004 Operational amplifiers with enhanced parameters
Patent 7889004 was granted and assigned to Analog Devices on February, 2011 by the United States Patent and Trademark Office.
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Operational amplifier embodiments are provided to enhance amplifier parameters such as bandwidth, stability, and headroom. In an amplifier embodiment, transistor followers are arranged with first and second differential pairs to facilitate selective positioning of first and second transfer function poles to enhance bandwidth and resistors and inductors are arranged to facilitate selective positioning of complex third transfer function poles to enhance phase margin. In another amplifier embodiment, the transistor followers are arranged to reduce headroom limitations to thereby enhance the voltage swing of output signals.
US Patent 07889004 Operational amplifiers with enhanced parameters US Patent 7889004 Operational amplifiers with enhanced parameters
US Patent 07889004 Operational amplifiers with enhanced parameters
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