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Class Information
Number: 330/311
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including plural stages cascaded > Having different configurations
Description: Subject matter wherein at least one of the cascaded stages is of a different configuration from at least one of the other cascaded stages.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Patent Number Title Of Patent Date Issued
8704597 Amplifiers and related receiver systems Apr. 22, 2014
8686796 RF power amplifiers with improved efficiency and output power Apr. 1, 2014
8680928 Power amplifier including variable capacitor circuit Mar. 25, 2014
8665027 Amplifier for wireless receiver and associated method Mar. 4, 2014
8665016 Supply tracking Mar. 4, 2014
8648656 Low-noise amplifier with through-mode Feb. 11, 2014
8649751 Receiver Feb. 11, 2014
8633771 Power amplifier Jan. 21, 2014
8629723 Low noise amplifier including a single-ended input Jan. 14, 2014
8624678 Output stage of a power amplifier having a switched-bulk biasing and adaptive biasing Jan. 7, 2014
8626106 Method and apparatus of an input resistance of a passive mixer to broaden the input matching bandwidth of a common source/gate LNA Jan. 7, 2014
8588433 Electret microphone circuit Nov. 19, 2013
8558619 Silicon-on-insulator high power amplifiers Oct. 15, 2013
8542064 Methods and apparatus to control power in a printer Sep. 24, 2013
8519797 Power amplifier and method for controlling power amplifier Aug. 27, 2013
8514015 Amplifier with programmable off voltage Aug. 20, 2013
8502600 Combiner-less multiple input single output (MISO) amplification with blended control Aug. 6, 2013
8493154 Linearity enhancement on cascode gain block amplifier Jul. 23, 2013
8487706 Stacked linear power amplifier with capacitor feedback and resistor isolation Jul. 16, 2013
8482348 Class of power amplifiers for improved back off operation Jul. 9, 2013
8482355 Power amplifier Jul. 9, 2013
8466741 Transimpedance amplifier, integrated circuit and system Jun. 18, 2013
8466749 Variable gain amplifier Jun. 18, 2013
8461924 Systems and methods of RF power transmission, modulation, and amplification, including embodiments for controlling a transimpedance node Jun. 11, 2013
8456241 Method and apparatus for improving amplifier linearity Jun. 4, 2013
8447259 Mode-switching low-noise amplifier and wide-band RF receiver May. 21, 2013
8441322 Broadband linearization by elimination of harmonics and intermodulation in amplifiers May. 14, 2013
8432217 Amplifier Apr. 30, 2013
8427241 High efficiency, high frequency amplifiers Apr. 23, 2013
8427240 Low-noise amplifier with gain enhancement Apr. 23, 2013
8405462 Phase-shift amplifier Mar. 26, 2013
8400224 Programmable low noise amplifier and methods for use therewith Mar. 19, 2013
8395451 Low 1/f noise high-frequency broadband amplifier (DC-12 GHz) Mar. 12, 2013
8395452 Signal amplification circuits for receiving/transmitting signals according to input signal Mar. 12, 2013
8368469 Silicon-on-insulator high power amplifiers Feb. 5, 2013
8362838 Multi-stage amplifier with multiple sets of fixed and variable voltage rails Jan. 29, 2013
8354889 Power amplifier with dynamically added supply voltages Jan. 15, 2013
8339205 Low power wide-band amplifier with reused current Dec. 25, 2012
8330547 Gain control linearity in an RF driver amplifier transmitter Dec. 11, 2012
8319555 Amplifier Nov. 27, 2012
8319562 System and method for amplifying a signal using multiple amplification stages sharing a common bias current Nov. 27, 2012
8314660 System and method for effectively implementing a unit Gm cell Nov. 20, 2012
8310311 Semiconductor integrated circuit device and communication system Nov. 13, 2012
8310314 Signal amplification circuits for receiving/transmitting signals according to input signal Nov. 13, 2012
8305148 Bias point setting for third order linearity optimization of class A amplifier Nov. 6, 2012
8305139 Methods and apparatuses for high power and/or high frequency devices Nov. 6, 2012
8294515 Amplifier Oct. 23, 2012
8294520 Switchable multiband LNA design Oct. 23, 2012
8294523 Low distortion cascode amplifier circuit Oct. 23, 2012
8279008 CMOS millimeter-wave variable-gain low-noise amplifier Oct. 2, 2012

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