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Class Information
Number: 330/99
Name: Amplifiers > Signal feedback > In cascade amplifiers > Multiple feedback
Description: Subject matter including at least two signal feedback circuit means as defined therein.










Sub-classes under this class:

Class Number Class Name Patents
330/100 A feedback to input of a prior stage 69


Patents under this class:
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Patent Number Title Of Patent Date Issued
8687821 Plop-free amplifier Apr. 1, 2014
8604873 Ground partitioned power amplifier for stable operation Dec. 10, 2013
8421531 Low dissipation amplifier Apr. 16, 2013
8416106 Calibration scheme for resolution scaling, power scaling, variable input swing and comparator offset cancellation for flash ADCs Apr. 9, 2013
8159293 Nested transimpendance amplifier Apr. 17, 2012
8081032 Broadband LNA with filter Dec. 20, 2011
8058931 Enhancing an operational amplifier's capacitive load driving capability using parallel Miller feedback Nov. 15, 2011
8049566 Feedback LNA with resistor Nov. 1, 2011
8013676 High-efficiency power amplifier Sep. 6, 2011
7808311 Nested transimpedance amplifier Oct. 5, 2010
7696820 Increasing amplifier bandwidth by positive capacitive feedback Apr. 13, 2010
7652531 Low cost high performance power amplifier utilizing two-stage-included local negative feedback with feedback-shifting technology Jan. 26, 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
7554477 Amplifier array circuits and flash analog to digital converters Jun. 30, 2009
7551024 Nested transimpedance amplifier Jun. 23, 2009
7541869 Feedback amplifier Jun. 2, 2009
7495514 Low noise amplifier Feb. 24, 2009
7444123 Transmitter and mobile communication terminal using the same Oct. 28, 2008
7405616 Nested transimpendance amplifier Jul. 29, 2008
7403067 Compensation circuit for amplifiers having multiple stages Jul. 22, 2008
7366427 Line driver with variable bandwidth control Apr. 29, 2008
7355471 Circuit for DC offset cancellation Apr. 8, 2008
7352246 Noise-shaping amplifier with waveform lock Apr. 1, 2008
7304535 Balanced amplifier Dec. 4, 2007
7304536 Nested transimpendance amplifier Dec. 4, 2007
7292097 Amplifier and method for processing signals Nov. 6, 2007
7283840 Reconfigurable analog baseband for a single-chip dual-mode transceiver Oct. 16, 2007
7279970 Feedback circuit Oct. 9, 2007
7276965 Nested transimpedance amplifier Oct. 2, 2007
7239202 Variable-gain constant-bandwidth transimpedance amplifier Jul. 3, 2007
7173486 Nested transimpedance amplifier with capacitive cancellation of input parasitic capacitance Feb. 6, 2007
7116164 Variable-gain constant-bandwidth transimpedance amplifier Oct. 3, 2006
7023271 Variable-gain constant-bandwidth transimpedance amplifier Apr. 4, 2006
7010284 Wireless communications device including power detector circuit coupled to sample signal at interior node of amplifier Mar. 7, 2006
7002409 Compensation circuit for amplifiers having multiple stages Feb. 21, 2006
6836182 Nested transimpedance amplifier Dec. 28, 2004
6801087 Integrated circuit with an analog amplifier Oct. 5, 2004
6762644 Apparatus and method for a nested transimpedance amplifier Jul. 13, 2004
6756851 Transimpedance amplifier Jun. 29, 2004
6580326 High-bandwidth low-voltage gain cell and voltage follower having an enhanced transconductance Jun. 17, 2003
6552605 Differential transimpedance amplifier for optical communication Apr. 22, 2003
6446263 Anti-loading CATV interface circuit and method Sep. 3, 2002
6388516 Precision high speed magnetic coil driver circuit May. 14, 2002
6177963 Video signal distribution system Jan. 23, 2001
6175275 Preamplifier with an adjustable bandwidth Jan. 16, 2001
6163211 Cascode amplifier with positive feedback for high frequency performance and method for operating and optimizing such amplifier Dec. 19, 2000
6140879 Cascode amplifier with positive feedback for high frequency performance and method for operating and optimizing such amplifier Oct. 31, 2000

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