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Class Information
Number: 327/538
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Specific identifiable device, circuit, or system > With specific source of supply or bias voltage > Stabilized (e.g., compensated, regulated, maintained, etc.)
Description: Subject matter wherein the bias circuit or a particular arrangement of the power supply offsets undesired changes in the circuit signals or maintains the circuit in its normal operating state.










Sub-classes under this class:

Class Number Class Name Patents
327/539 Using bandgap 562
327/543 Using field-effect transistor 1,040
327/542 With diverse type transistor devices 180
327/540 With voltage source regulating 968


Patents under this class:
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Patent Number Title Of Patent Date Issued
7098728 Output voltage correction circuit for multiplexed multi-phase hysteretic voltage regulator Aug. 29, 2006
7098752 Circuit arrangement for generating a reference current and oscillator circuit having the circuit arrangement Aug. 29, 2006
7088085 CMOS bandgap current and voltage generator Aug. 8, 2006
7088160 Circuit arrangement for regulating a parameter of an electrical signal Aug. 8, 2006
7081787 Analog circuit for calculating square and reciprocal of a current Jul. 25, 2006
7078957 Internal voltage generator of semiconductor device comprising characteristic controller Jul. 18, 2006
7075358 Base current compensation for a bipolar transistor current mirror circuit Jul. 11, 2006
7075413 Reference circuit enhancement for passive RFID tags Jul. 11, 2006
7068024 Voltage regulator having positive temperature coefficient for self-compensation and related method of regulating voltage Jun. 27, 2006
7061308 Voltage divider for integrated circuits Jun. 13, 2006
7062662 I/O resonance cancellation circuit based on charge-pumped capacitors Jun. 13, 2006
7057382 Voltage reference circuit Jun. 6, 2006
7057442 Temperature-independent current source circuit Jun. 6, 2006
7053656 Level shifter utilizing input controlled zero threshold blocking transistors May. 30, 2006
7049797 Semiconductor integrated circuit device May. 23, 2006
7049880 High precision digital-to-analog converter with optimized power consumption May. 23, 2006
7042277 Circuit and method for reducing jitter in a PLL of high speed serial links May. 9, 2006
7042278 Voltage reference circuit with reduced power consumption May. 9, 2006
7038529 Voltage stabilizer May. 2, 2006
7034603 Floating-gate reference circuit Apr. 25, 2006
7030685 Frequency boosting circuit for high swing cascode biasing circuits Apr. 18, 2006
7023181 Constant voltage generator and electronic equipment using the same Apr. 4, 2006
7019583 Current inrush limiting circuit Mar. 28, 2006
7015748 DC-DC converter circuit for converting an input voltage to an output voltage with a predetermined holdover time Mar. 21, 2006
6992523 Low voltage current monitoring circuit Jan. 31, 2006
6987403 Driver for an external FET with high accuracy and gate voltage protection Jan. 17, 2006
6985028 Programmable linear-in-dB or linear bias current source and methods to implement current reduction in a PA driver with built-in current steering VGA Jan. 10, 2006
6985095 Current supply circuit Jan. 10, 2006
6980046 Charge pump circuit using active feedback controlled current sources Dec. 27, 2005
6977600 Determining analog error using parallel path sampling Dec. 20, 2005
6975162 Constant current driving circuit Dec. 13, 2005
6972615 Voltage reference generator Dec. 6, 2005
6960932 Apparatus and method to correct a reference voltage Nov. 1, 2005
6956413 Ramp generator for image sensor ADC Oct. 18, 2005
6956428 Base current compensation for a bipolar transistor current mirror circuit Oct. 18, 2005
6956753 Method and system for providing a temperature compensated feedback signal Oct. 18, 2005
6954102 Fast dynamic mirror sense amplifier with separate comparison equalization and evaluation paths Oct. 11, 2005
6954110 Replica cell for ring oscillator Oct. 11, 2005
6946897 Technique for measuring temperature and current via a MOSFET of a synchronous buck voltage converter Sep. 20, 2005
6943616 Semiconductor integrated circuit device, and adjustment method of semiconductor integrated circuit device Sep. 13, 2005
6943618 Compensation mechanism for compensating bias levels of an operation circuit in response to supply voltage changes Sep. 13, 2005
6940335 Constant-voltage circuit Sep. 6, 2005
6940339 Mobility proportion current generator, and bias generator and amplifier using the same Sep. 6, 2005
6933769 Bandgap reference circuit Aug. 23, 2005
6927622 Current source Aug. 9, 2005
6922092 Impedance controlled output driver Jul. 26, 2005
6922098 Internal voltage generating circuit Jul. 26, 2005
6914548 Programmable DC voltage generator Jul. 5, 2005
6906576 High precision digital-to-analog converter with optimized power consumption Jun. 14, 2005
6906578 Control loop compensation circuit and method Jun. 14, 2005

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