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Class Information
Number: 330/257
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including differential amplifier > Having current mirror amplifier
Description: Subject matter wherein an amplifier having a gain which is substantially independent of the individual common emitter forward current gains of its component transistor, is utilized.










Patents under this class:

Patent Number Title Of Patent Date Issued
8693679 Communications system and associated method for reducing power consumption of a telecommunications device Apr. 8, 2014
8692617 Balanced-input current-sensing differential amplifier Apr. 8, 2014
8665020 Differential amplifier circuit that can change current flowing through a constant-current source according to load variation, and series regulator including the same Mar. 4, 2014
8653893 Output circuit, data driver circuit and display device Feb. 18, 2014
8648660 Amplifier with non-linear current mirror Feb. 11, 2014
8638164 Amplifier including dithering switch and display driving circuit using the amplifier Jan. 28, 2014
8625014 Amplifier for reducing horizontal band noise and devices having the same Jan. 7, 2014
8624671 Audio amplifying circuit with improved noise performance Jan. 7, 2014
8610422 Dynamic biasing of an amplifier using capacitive driving of internal bias voltages Dec. 17, 2013
8610184 Semiconductor integrated circuit device Dec. 17, 2013
8593222 Amplifier Nov. 26, 2013
8571507 Analog signal processing device for phased array antennas Oct. 29, 2013
8565675 Near field RF communicators and near field RF communications-enabled devices Oct. 22, 2013
8542222 Differential amplifier circuit, data line driver using the same, and liquid crystal display apparatus Sep. 24, 2013
8519794 Current mirror with low headroom and linear response Aug. 27, 2013
8502604 Layout method for differential amplifier and layout using the same Aug. 6, 2013
8471634 Method and apparatus of common mode compensation for voltage controlled delay circuits Jun. 25, 2013
8471633 Differential amplifier and data driver Jun. 25, 2013
8432226 Amplifier circuits and methods for cancelling Miller capacitance Apr. 30, 2013
8405459 Folded cascode differential amplifier and semiconductor device Mar. 26, 2013
8405458 Current mirror with low headroom and linear response Mar. 26, 2013
8400219 Analog circuits having improved transistors, and methods therefor Mar. 19, 2013
8400218 Current mode power amplifier providing harmonic distortion suppression Mar. 19, 2013
8390379 Amplifier input stage and slew boost circuit Mar. 5, 2013
8378747 Differential amplifier circuit, operational amplifier including difference amplifier circuit, and voltage regulator circuit Feb. 19, 2013
8378746 Voltage-mode line driving circuit having adaptive impedance matching Feb. 19, 2013
8363045 Class AB amplifier circuit and display apparatus Jan. 29, 2013
8339200 Wide-swing telescopic operational amplifier Dec. 25, 2012
8339197 Circuitry including matched transistor pairs Dec. 25, 2012
8330500 Comparator Dec. 11, 2012
8319553 Apparatus and methods for biasing amplifiers Nov. 27, 2012
8319552 Rail-to-rail output stage with balanced drive Nov. 27, 2012
8311785 Methods and apparatus to minimize saturation in a ground fault detection device Nov. 13, 2012
8310306 Operational amplifier Nov. 13, 2012
8305144 Circuits and methods for controlling quiescent current in amplifiers Nov. 6, 2012
8299854 Circuit for power amplification of an input signal and signal emission system incorporating such a circuit Oct. 30, 2012
8289302 Output buffer circuit with enhanced slew rate Oct. 16, 2012
8289078 Semiconductor integrated circuit and electronic device Oct. 16, 2012
8258868 Differential input for ambipolar devices Sep. 4, 2012
8242842 Input common mode circuit Aug. 14, 2012
8232832 Voltage adder circuit and D/A converter circuit Jul. 31, 2012
8217721 Slew rate enhancing circuit Jul. 10, 2012
8207789 Differential amplifier circuit Jun. 26, 2012
8195104 Electronic amplification device with current mirror for integrated power amplifiers Jun. 5, 2012
8188792 Techniques for current mirror circuits May. 29, 2012
8159302 Differential amplifier circuit Apr. 17, 2012
8139792 Amplifier circuits, methods of starting and stopping amplifier circuits Mar. 20, 2012
8134407 Enhancing dual op-amps for differential connections Mar. 13, 2012
8130036 Input common mode circuit Mar. 6, 2012
8102210 Low phase noise amplifier circuit Jan. 24, 2012











 
 
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