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Class Information
Number: 327/54
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Specific signal discriminating (e.g., comparing, selecting, etc.) without subsequent control > By amplitude > With sensing amplifier > Differential amplifier > Having feedback
Description: Subject matter wherein a portion of the output signal is returned to an input.

Sub-classes under this class:

Class Number Class Name Patents
327/55 Cross-coupled 365

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8710867 Electronic system auto-mute control circuit and control method thereof Apr. 29, 2014
8604838 Comparator with improved time constant Dec. 10, 2013
8598913 Reduced temperature dependent hysteretic comparator Dec. 3, 2013
8581632 Comparator with transition threshold tracking capability Nov. 12, 2013
8581631 Sense amplifier and electronic apparatus using the same Nov. 12, 2013
8525554 High-side signal sensing circuit Sep. 3, 2013
8514631 Determining a logic state based on currents received by a sense amplifer Aug. 20, 2013
8482317 Comparator and method with adjustable speed and power consumption Jul. 9, 2013
8483001 Level detector, internal voltage generator including level detector, and semiconductor memory device including internal voltage generator Jul. 9, 2013
8456215 Limiting amplifier and method thereof Jun. 4, 2013
8378716 Bulk-driven current-sense amplifier and operating method thereof Feb. 19, 2013
8330498 Sense amplifier and electronic apparatus using the same Dec. 11, 2012
8284624 Level detector, internal voltage generator including level detector, and semiconductor memory device including internal voltage generator Oct. 9, 2012
8232828 Analog circuit having improved response time Jul. 31, 2012
8230281 Techniques for boundary scan testing using transmitters and receivers Jul. 24, 2012
8081015 Differential amplifier with a feedback unit Dec. 20, 2011
8031547 Differential sense amplifier Oct. 4, 2011
8030972 High-speed latched comparator circuit with variable positive feedback Oct. 4, 2011
8018253 Sense amplifier circuit and related configuration and operation methods Sep. 13, 2011
7983089 Sense amplifier with capacitance-coupled differential sense amplifier Jul. 19, 2011
7965118 Method and apparatus for achieving 50% duty cycle on the output VCO of a phased locked loop Jun. 21, 2011
7847598 Sense amplifier and electronic apparatus using the same Dec. 7, 2010
7825733 Circuit providing compensated power for sense amplifier and driving method thereof Nov. 2, 2010
7813201 Differential sense amplifier Oct. 12, 2010
7782126 Detection and accommodation of hot-plug conditions Aug. 24, 2010
7778374 Dual reference input receiver of semiconductor device and method of receiving input data signal Aug. 17, 2010
7768320 Process variation tolerant sense amplifier flop design Aug. 3, 2010
7759981 Amplifying circuit of semiconductor integrated circuit Jul. 20, 2010
7714622 Integrated circuit input stage May. 11, 2010
7701256 Signal conditioning circuit, a comparator including such a conditioning circuit and a successive approximation converter including such a circuit Apr. 20, 2010
7633318 Data receiver of semiconductor integrated circuit and method for controlling the same Dec. 15, 2009
7619464 Current comparison based voltage bias generator for electronic data storage devices Nov. 17, 2009
7605615 Voltage comparator circuit Oct. 20, 2009
7583122 Receiver of digital signals having a variable hysteresis, in particular for audio digital application Sep. 1, 2009
7545685 High voltage switch circuit having boosting circuit and flash memory device including the same Jun. 9, 2009
7525346 Driver circuits and methods Apr. 28, 2009
7514991 High accuracy current mode duty cycle and phase placement sampling circuit Apr. 7, 2009
7482843 Signal amplifier Jan. 27, 2009
7400279 Circuits and methods with comparators allowing for offset reduction and decision operations Jul. 15, 2008
7378881 Variable gain amplifier circuit May. 27, 2008
7368955 Current-balanced logic circuit May. 6, 2008
7315478 Internal voltage generator for a semiconductor memory device Jan. 1, 2008
7262638 Current sense amplifier Aug. 28, 2007
7199657 Amplification gain stages having replica stages for DC bias control Apr. 3, 2007
7173856 Sense amplifier for a non-volatile memory device Feb. 6, 2007
7132861 Amplifier with digital DC offset cancellation feature Nov. 7, 2006
7102394 Programming and control of an integrated circuit using an externally connected resistor network Sep. 5, 2006
7049853 Resetable control circuit devices for sense amplifiers May. 23, 2006
7046567 Sense amplifying circuit and bit comparator with the sense amplifying circuit May. 16, 2006
7042249 Method for actuating a transistor May. 9, 2006

1 2 3 4

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