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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:

Patent Number Title Of Patent Date Issued
8704591 High-voltage tolerant biasing arrangement using low-voltage devices Apr. 22, 2014
8704590 Control circuit for power converter and method thereof Apr. 22, 2014
8692610 Reference voltage supply circuit Apr. 8, 2014
8692607 Control circuit for an internal voltage generation circuit Apr. 8, 2014
8680914 Controlled current source and method for sourcing a current Mar. 25, 2014
8680839 Offset calibration technique to improve performance of band-gap voltage reference Mar. 25, 2014
8674751 Reference generation in an integrated circuit device Mar. 18, 2014
8669807 Reduced gain variation biasing for short channel devices Mar. 11, 2014
8669801 Analog delay cells for the power supply of an RFID tag Mar. 11, 2014
8665029 Oscillator module and reference circuit thereof Mar. 4, 2014
8665008 Semiconductor device that can cancel noise in bias line to which bias current flows Mar. 4, 2014
8659348 Current mirrors Feb. 25, 2014
8653884 Semiconductor device Feb. 18, 2014
8648645 Microprocessor performance and power optimization through self calibrated inductive voltage droop monitoring and correction Feb. 11, 2014
8648584 Multi-hysteresis voltage controlled current source system Feb. 11, 2014
8643357 Internal voltage generator Feb. 4, 2014
8638161 Power control device and method therefor Jan. 28, 2014
8629713 System and method for controlling bypass of a voltage regulator Jan. 14, 2014
8626092 Low variation current multiplier Jan. 7, 2014
8619444 Voltage booster system and semiconductor chip Dec. 31, 2013
8618869 Fast power-on bias circuit Dec. 31, 2013
8618847 Gate control circuit Dec. 31, 2013
8614570 Reference current source circuit including added bias voltage generator circuit Dec. 24, 2013
8604870 Constant-voltage circuit and semiconductor device thereof Dec. 10, 2013
8598948 Self biased low noise high PSRR constant gm for VCO Dec. 3, 2013
8598944 Semiconductor integrated circuit deciding a power-supply voltage based on a delay test Dec. 3, 2013
8582374 Method and apparatus for dynamically adjusting voltage reference to optimize an I/O system Nov. 12, 2013
8582366 Semiconductor device using charge pump circuit Nov. 12, 2013
8581657 Voltage divider, constant voltage circuit using same, and trimming method in the voltage divider circuit Nov. 12, 2013
8581560 Voltage regulator circuit for generating a supply voltage in different modes Nov. 12, 2013
8575997 Voltage scaling system Nov. 5, 2013
8570097 Semiconductor integrated circuit Oct. 29, 2013
8570095 Offset-compensated active load and method Oct. 29, 2013
8570014 Advanced clock synchronization circuit for switch mode power supplies Oct. 29, 2013
8564364 Countermeasure method and device for protecting against a fault injection attack by detection of a well voltage crossing a threshold Oct. 22, 2013
8564361 Semiconductor device and method of controlling the same Oct. 22, 2013
8564360 Pad controlling apparatus Oct. 22, 2013
8564258 Semiconductor integrated circuit and method of controlling MEMS-type variable capacitance capacitor Oct. 22, 2013
8564096 Diffused integrated resistor Oct. 22, 2013
8559246 Digital retention voltage generation Oct. 15, 2013
8558608 Poly silicon resistor, reference voltage circuit comprising the same, and manufacturing method of poly silicon resistor Oct. 15, 2013
8542060 Constant current circuit Sep. 24, 2013
8542059 Ultra-low-power power supply system for an IC chip Sep. 24, 2013
8536933 Method and circuit for an operating area limiter Sep. 17, 2013
8536853 Data retention secondary voltage regulator Sep. 17, 2013
8519781 Adaptive voltage scaling using a delay line Aug. 27, 2013
8519694 Switchable current source circuit and method Aug. 27, 2013
8514009 Current sensing circuit Aug. 20, 2013
8513938 Reference voltage circuit and semiconductor integrated circuit Aug. 20, 2013
8513929 Method for providing and operating an LDO Aug. 20, 2013

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