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Class Information
Number: 330/100
Name: Amplifiers > Signal feedback > In cascade amplifiers > Multiple feedback > A feedback to input of a prior stage
Description: Subject matter wherein at least one of the signal feedback means has the signal feedback applied to the signal input of a prior stage so that the path of such feedback means extends to include all or a portion of at least one other signal feedback means (overlapping feedbacks).

Patents under this class:
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Patent Number Title Of Patent Date Issued
8687821 Plop-free amplifier Apr. 1, 2014
8610495 Adaptive filtering of blocker signals in demodulators Dec. 17, 2013
8341679 Intelligent device system and method for distribution of digital signals on a wideband signal distribution system Dec. 25, 2012
8105928 Graphene based switching device having a tunable bandgap Jan. 31, 2012
8049566 Feedback LNA with resistor Nov. 1, 2011
7893760 Amplifier circuit Feb. 22, 2011
7855602 Amplifier arrangement and signal generation method Dec. 21, 2010
7696820 Increasing amplifier bandwidth by positive capacitive feedback Apr. 13, 2010
7675364 Circuit and method of establishing DC bias levels in an RF power amplifier Mar. 9, 2010
7652531 Low cost high performance power amplifier utilizing two-stage-included local negative feedback with feedback-shifting technology Jan. 26, 2010
7616057 Nested transimpedance amplifier Nov. 10, 2009
7605649 Nested transimpedance amplifier Oct. 20, 2009
7551024 Nested transimpedance amplifier Jun. 23, 2009
7283840 Reconfigurable analog baseband for a single-chip dual-mode transceiver Oct. 16, 2007
7276965 Nested transimpedance amplifier Oct. 2, 2007
7265632 Amplifier circuit, and system incorporating same Sep. 4, 2007
7245887 High speed CMOS transmit-receive antenna switch Jul. 17, 2007
7173486 Nested transimpedance amplifier with capacitive cancellation of input parasitic capacitance Feb. 6, 2007
7164318 Continuous variable-gain low-noise amplifier Jan. 16, 2007
7120399 High speed CMOS transmit-receive antenna switch Oct. 10, 2006
6956431 Pulse width modulation amplifier Oct. 18, 2005
6952159 Coupling device Oct. 4, 2005
6943623 Amplification circuitry Sep. 13, 2005
6930548 Method and system for improving amplifier efficiency Aug. 16, 2005
6873703 Precision, low-power current-sense transmission channel for subscriber line interface circuit, programmable with single ended impedances and capable of exhibiting a voltage sense response Mar. 29, 2005
6836182 Nested transimpedance amplifier Dec. 28, 2004
6833757 Method and system for improving amplifier efficiency Dec. 21, 2004
6801087 Integrated circuit with an analog amplifier Oct. 5, 2004
6801089 Continuous variable-gain low-noise amplifier Oct. 5, 2004
6771711 Digital GMSK filter Aug. 3, 2004
6765438 Transconductance power amplifier Jul. 20, 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
6573791 Multipath nested Gm nested miller compensation Jun. 3, 2003
6501335 Semiconductor circuit with a stabilized gain slope Dec. 31, 2002
6476678 High performance amplifier circuits using separate power supplies Nov. 5, 2002
6388516 Precision high speed magnetic coil driver circuit May. 14, 2002
6353367 Cascode amplifier integrated circuit with reduced miller capacitance at an output buffer stage during a transient fall response Mar. 5, 2002
6208206 Frequency compensation techniques for low-power multistage amplifiers Mar. 27, 2001
6177963 Video signal distribution system Jan. 23, 2001
6175274 Switched gain low noise amplifier Jan. 16, 2001
6118991 Device including a broadband amplifier circuit Sep. 12, 2000
6061238 Information processing apparatus, method of arranging components of the apparatus, and heat sink May. 9, 2000
6028487 Negative-feedback amplifier circuit capable of independently controlling a gain and an impedance Feb. 22, 2000
5815040 Wide bandwidth, current sharing, MOSFET audio power amplifier with multiple feedback loops Sep. 29, 1998
5745010 Operational amplifier Apr. 28, 1998
5705951 Method for correction of error signals in a signal amplification system and an apparatus used for that purpose Jan. 6, 1998
5705950 Hybrid solid state/vacuum tube audio amplifier Jan. 6, 1998
5453704 Sense amplifier with positive feedback and self-biasing to achieve full voltage swing Sep. 26, 1995

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