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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 569
327/543 Using field-effect transistor 1,048
327/542 With diverse type transistor devices 180
327/540 With voltage source regulating 981


Patents under this class:
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Patent Number Title Of Patent Date Issued
7142042 Nulled error amplifier Nov. 28, 2006
7138852 Semiconductor integrated circuit device Nov. 21, 2006
7132902 Oscillator circuit for EEPROM high voltage generator Nov. 7, 2006
7129775 Self-mirroring current mirror Oct. 31, 2006
7129774 Method and apparatus for generating a reference signal Oct. 31, 2006
7129773 Band-gap type constant voltage generating circuit Oct. 31, 2006
7126412 Preamplification circuit Oct. 24, 2006
7119605 Dynamic transconductance boosting technique for current mirrors Oct. 10, 2006
7118274 Method and reference circuit for bias current switching for implementing an integrated temperature sensor Oct. 10, 2006
7116157 High output impedance current source Oct. 3, 2006
7113024 Circuit module with high-frequency input/output interfaces Sep. 26, 2006
7113005 Current mirror circuit Sep. 26, 2006
7112948 Voltage source circuit with selectable temperature independent and temperature dependent voltage outputs Sep. 26, 2006
7098720 High impedance thermal shutdown circuit Aug. 29, 2006
7098723 Semiconductor circuit regulator Aug. 29, 2006
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

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