Large swing output buffer amplifier
Patent 5210506 Issued on May 11, 1993. Estimated Expiration Date: 
April 15, 2012. 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 15, 2012. 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 ReferencesAudio power amplifier Analog buffer amplifier Correction arrangement for an amplifier Amplifiers Operational amplifier driven power amplifier Coplanar 3dB quadrature coupler Patent #: 5097233 InventorsAssigneeApplicationNo. 869474 filed on 04/15/1992US Classes:330/255, Having push-pull amplifier stage330/253, Having field effect transistor330/264And field effect transistorExaminersPrimary: Pascal, RobertAssistant: Dinh, Tan Attorney, Agent or FirmForeign Patent References
International ClassH03F 003/45Foreign Application Priority Data1991-04-16 EPAbstractAn output buffer amplifier includes one end stage for small output capacities and one end stage for large output capacities. The end stages have outputs being connected to one another. A control stage is connected upstream of the end stage for small output capacities. The control stage has one input being triggered by a signal proportional to an input signal of the end stage for large output capacities and another input being triggered by a signal proportional to an output signal of the end stage for small output capacities.Other References
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