High-speed differential to single-ended converter
Patent 6717474 Issued on April 6, 2004. Estimated Expiration Date: 
April 2, 2022. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
April 2, 2022. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesRail-to-rail input stage of an operational amplifier Operational amplifier for stably driving a low impedance load of low power consumption Fully differential self-biased signal receiver Amplifier with folded super-followers Current compensation circuit for improved open-loop gain in an amplifier Patent #: 6483382 InventorsAssigneeApplicationNo. 10115179 filed on 04/02/2002US Classes:330/301, Including balanced to unbalanced circuits and vice versa330/253, Having field effect transistor330/257Having current mirror amplifierExaminersPrimary: Nguyen, Khanh P.Attorney, Agent or FirmInternational ClassH03F 345AbstractA differential to single-ended converter, which is composed of a transconductance amplifier, a current mirror and buffer circuit and a transimpedance stage, is disclosed. A differential voltage signal is provided to the inputs of the transconductance amplifier and converted to a differential current signal. The current mirror and buffer circuit serves as a differential to single-ended current conveyer and isolates the transconductance stage and the following transimpedance stage. Finally, the single-ended current signal is provided to the input of the transimpedance stage and converted to a single-ended current signal. | |
