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Class Information
Number: 330/98
Name: Amplifiers > Signal feedback > In cascade amplifiers
Description: Subject matter including at least two stages of amplification (each as defined in the class definition) wherein the means for coupling the input signal for each stage except the first is coupled to the means for coupling the output signal of the preceding amplifier; combined with signal feedback means above.










Sub-classes under this class:

Class Number Class Name Patents
330/99 Multiple feedback 59


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8704601 Class E power amplifier Apr. 22, 2014
8687821 Plop-free amplifier Apr. 1, 2014
8680918 High voltage driver amplifier for piezo haptics Mar. 25, 2014
8610495 Adaptive filtering of blocker signals in demodulators Dec. 17, 2013
8508302 Electronic circuit Aug. 13, 2013
8471721 Server rack having payload weighing function Jun. 25, 2013
8456215 Limiting amplifier and method thereof Jun. 4, 2013
8421531 Low dissipation amplifier Apr. 16, 2013
8373509 Wide band LNA with noise canceling Feb. 12, 2013
8374560 Method and system for processing signals in a high performance receive chain Feb. 12, 2013
8305140 Linear, large swing active resistive circuit and method Nov. 6, 2012
8274335 System and method for effectively implementing a front end core Sep. 25, 2012
8189713 Matrix power amplifiers for high speed wireless applications May. 29, 2012
8164385 Amplifier circuit Apr. 24, 2012
8159303 Operational amplifier Apr. 17, 2012
8159293 Nested transimpendance amplifier Apr. 17, 2012
8102214 Controlled-gain wideband feedback low noise amplifier Jan. 24, 2012
8098840 Multi-channel output device for a multimedia device Jan. 17, 2012
8081032 Broadband LNA with filter Dec. 20, 2011
8072262 Low input bias current chopping switch circuit and method Dec. 6, 2011
8058931 Enhancing an operational amplifier's capacitive load driving capability using parallel Miller feedback Nov. 15, 2011
8013676 High-efficiency power amplifier Sep. 6, 2011
8004355 Low dissipation amplifier Aug. 23, 2011
7986185 Rail-to-rail Miller compensation method without feed forward path Jul. 26, 2011
7978007 Feedback network for cascaded amplifiers Jul. 12, 2011
7948309 DC-offset cancelled programmable gain array for low-voltage wireless LAN system and method using the same May. 24, 2011
7893760 Amplifier circuit Feb. 22, 2011
7859330 Optimized uplink efficiencies for transmission of satellite data Dec. 28, 2010
7821335 Semiconductor integrated circuit with variable gain amplifier Oct. 26, 2010
7808311 Nested transimpedance amplifier Oct. 5, 2010
7791411 Amplifier arrangement and method for amplifying a signal Sep. 7, 2010
7737777 Amplifiers with compensation Jun. 15, 2010
7672648 System for linear amplitude modulation Mar. 2, 2010
7659780 Gain control circuit Feb. 9, 2010
7633338 Compensation circuit for amplifiers having multiple stages Dec. 15, 2009
7626453 Nested transimpedance amplifier Dec. 1, 2009
7616057 Nested transimpedance amplifier Nov. 10, 2009
7605649 Nested transimpedance amplifier Oct. 20, 2009
7605650 Switched capacitor amplifier with higher gain and improved closed-loop gain accuracy Oct. 20, 2009
7602240 Power amplifier with an output matching network Oct. 13, 2009
7551024 Nested transimpedance amplifier Jun. 23, 2009
7541875 High-linearity low noise amplifier and method Jun. 2, 2009
7535292 Optimized uplink efficiencies for transmission of satellite data May. 19, 2009
7522004 High-frequency electronic switch, and burst wave generating device using the same and short range radar using the same Apr. 21, 2009
7518447 Transimpedance amplifier Apr. 14, 2009
7471149 Multi-amplifier circuit Dec. 30, 2008
7466205 Ultra-wideband low noise amplifier and amplification method thereof Dec. 16, 2008
7459972 Amplifiers with compensation Dec. 2, 2008
7454190 Receiver circuit for a receiving element Nov. 18, 2008
7425865 Differential cascode amplifier Sep. 16, 2008

1 2 3










 
 
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