Patents
Patents for G05F 3 - Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties (12,739)
05/2008
05/22/2008US20080116875 Systems, apparatus and methods relating to bandgap circuits
05/22/2008US20080116874 Bandgap Reference Circuits With Isolated Trim Elements
05/21/2008CN101183273A Band-gap reference source produce device
05/21/2008CN101183272A Systems, apparatus and methods relating to bandgap circuits
05/20/2008US7375909 Write driver with power optimization and interconnect impedance matching
05/20/2008US7375504 Reference current generator
05/15/2008US20080111594 Switching booster power circuit
05/15/2008US20080111532 Fast voltage regulators for charge pumps
05/14/2008CN101180594A Process-invariant bandgap reference circuit and method
05/14/2008CN101178610A Circuit outputting adjustable positive and negative or zero-temperature coefficient electrical current and voltage reference
05/14/2008CN101178608A Low-dropout voltage regulator having temperature proctive circuit
05/13/2008US7372748 Voltage regulator in a non-volatile memory device
05/13/2008US7372322 Current drive circuit reducing VDS dependency
05/13/2008US7372321 Robust start-up circuit and method for on-chip self-biased voltage and/or current reference
05/13/2008US7372319 Constant boosted voltage generator circuit for feedback switches in a switched capacitor circuit
05/13/2008US7372318 Precision, low drift, stacked voltage reference
05/13/2008US7372245 Semiconductor integrated circuit
05/13/2008US7372244 Temperature reference circuit
05/13/2008US7372243 Reference voltage circuit driven by non-linear current mirror circuit
05/13/2008US7372242 System and method for generating a reference voltage
05/13/2008US7372238 Apparatus and method for step-down switching voltage regulation
05/08/2008WO2007098073A3 Current mirror with improved output impedance at low power supplies
05/08/2008US20080106327 Closed-Loop Control for Performance Tuning
05/08/2008US20080106326 Reference voltage circuit and method for providing a reference voltage
05/08/2008US20080106247 Trimmed current mirror
05/08/2008DE102006017989B4 Schneller CMOS-Stromspiegel Fast CMOS current mirror
05/07/2008CN100386706C Bias compensation circuit for adjusting transconductance variation range of transistor in load
05/06/2008US7368978 Self regulating charge pump
05/06/2008US7368900 Constant voltage circuit and constant current source, amplifier, and power supply circuit using the same
05/02/2008WO2008050375A1 Bias circuit
05/02/2008WO2007123905A3 Power efficient startup circuit for activating a bandgap reference circuit
05/02/2008WO2007120682A3 Start up circuit apparatus and method
04/2008
04/30/2008DE112006001377T5 Energieversorgungssteuerung und Halbleitervorrichtung Power supply controller and semiconductor device
04/30/2008CN101169672A Method and circuit for promoting current source mirror circuit matching degree
04/30/2008CN101169671A Reference voltage generation circuit
04/30/2008CN100385363C CMOS reference current source with higher-order temperature compensation
04/29/2008US7365928 Write driver with improved boosting circuit and interconnect impedance matching
04/29/2008US7365594 Current driver, data driver, display device and current driving method
04/29/2008US7365592 Power supply circuit
04/29/2008US7365591 Voltage generating circuit
04/29/2008US7365455 Energy harvesting for wireless sensor operation and data transmission
04/24/2008WO2008047416A1 Voltage detecting circuit
04/24/2008WO2008028089A3 Wide input common mode for input bias current cancellation
04/24/2008US20080094386 Methods and apparatus for latch-up free boosting
04/24/2008US20080094131 Bias Circuits
04/24/2008US20080094126 Buffer circuit
04/24/2008US20080094050 Reference current generator circuit
04/24/2008DE102006044530A1 Vorrichtung und Verfahren zur Strommessung bzw. Stromverstärkung Apparatus and method for power measurement or current gain
04/23/2008CN100383691C Reference current source of low-temperature coefficient and low power-supply-voltage coefficient
04/22/2008US7362084 Fast voltage regulators for charge pumps
04/22/2008US7362081 Low-dropout regulator
04/17/2008US20080089141 Voltage regulator in a non-volatile memory device
04/17/2008US20080088379 Current device and method for phase-locked loop
04/17/2008US20080088361 Reference voltage generating circuit
04/16/2008CN201048462Y Improved structure of voltage stabilizer
04/16/2008CN101164031A Power supply device, electronic device using the same, and semiconductor device
04/16/2008CN101162896A Starting circuit of non-standby current
04/15/2008US7358796 Input circuit for receiving a variable voltage input signal and method
04/15/2008US7358795 MOSFET temperature compensation current source
04/15/2008US7358792 Discharge device and DC power supply system
04/10/2008WO2008040933A1 Start-up circuit for bandgap circuit
04/10/2008WO2008040817A1 Voltage reference electronic circuit
04/10/2008US20080086239 Method for voltage instability load shedding using local measurements
04/10/2008DE10041880B4 Verfahren zum Betreiben von mindestens zwei elektrischen Verbrauchern A method of operating at least two electrical consumers
04/09/2008EP1745536A4 Method and system for communicating filter compensation coefficients for a digital power control system
04/09/2008CN100380266C Bias circuit for maintaining a constant value of transconductance divided by load capacitance
04/08/2008US7355368 Efficient in-rush current limiting circuit with dual gated bidirectional hemts
04/03/2008WO2007059450A3 Buck dc to dc converter and method
04/03/2008US20080079482 Circuit Arrangement and Method of Operating a Circuit Arrangement
04/03/2008US20080079413 Auto-nulled bandgap reference system and strobed bandgap reference circuit
04/03/2008DE102006044662A1 Reference voltage generating circuit, has regulating transistor with control terminal that is coupled with supply terminal of amplifier, where inputs of amplifier are coupled with taps of resistor chain, respectively
04/02/2008CN101154116A Ultramicro power consumption reference source circuit with low temperature coefficient
04/01/2008US7352235 Current mirror
04/01/2008US7352163 Early effect cancelling circuit, differential amplifier, linear regulator, and early effect canceling method
03/2008
03/27/2008WO2008035357A1 Remote control operated modular switching system
03/27/2008WO2005101633A3 Methods and devices for low noise current source with dynamic power distribution
03/26/2008CN101149629A Current generating apparatus and feedback-controlled system utilizing the current generating apparatus
03/26/2008CN101149628A Reference voltage source circuit
03/26/2008CN100377020C Voltage generation circuit and method using digital/analog conversion circuit to conduct voltage microregulation
03/25/2008US7348835 Midpoint potential generating circuit for use in a semiconductor device
03/25/2008US7348833 Bias circuit having transistors that selectively provide current that controls generation of bias voltage
03/25/2008US7348830 Integrated circuit with automatic start-up function
03/25/2008US7348827 Apparatus and methods for adjusting performance of programmable logic devices
03/25/2008US7348767 Bidirectional power conversion with multiple control loops
03/20/2008WO2008032606A1 Reference current circuit, reference voltage circuit, and startup circuit
03/20/2008US20080067996 Reference current generator adjustable by a variable current source
03/19/2008CN101145068A Band gap reference circuit and temperature information output apparatus using the same
03/19/2008CN101145067A Regulator circuit
03/19/2008CN101145066A Balanced compensation circuit of multiple electric power output voltage
03/18/2008US7345465 Two pin-based sensing of remote DC supply voltage differential using precision operational amplifier and diffused resistors
03/18/2008US7345461 Semiconductor circuit device and data processing system
03/18/2008US7345459 Emulated inductor current automatic correction without knowledge of actual inductor current ramp for emulated peak control mode PWM
03/13/2008US20080062087 Plasma display and voltage generator thereof
03/13/2008US20080061869 Semiconductor circuit and semiconductor device using same
03/13/2008US20080061867 Methods and apparatus to reduce substrate voltage bounces and spike voltages in switching amplifiers
03/13/2008US20080061761 Temperature sensing circuit
03/13/2008US20080061760 Band gap reference circuit and temperature information output apparatus using the same
03/13/2008US20080061730 Frequency converter, motor, motor drive system and maintenance method for motor drive system
03/12/2008EP1898293A1 Constant current circuit
03/12/2008CN201035440Y 电流镜 Current mirror
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