219476 ⎘
Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements; Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit by offset reduction
Sub-classes:SYSTEMS AND METHODS FOR HIGH ACCURACY OPEN LOOP TRANSCONDUCTANCE AMPLIFIER HAVING GAIN SET BY OUTPUT LOAD
#2DE-SKEWING DIFFERENTIAL SIGNALS
#3DIFFERENTIAL CHOPPER COMPARATOR CAPABLE OF REMOVING KICKBACK NOISE
#4CHARGE AMPLIFICATION CIRCUITS AND METHODS
#5CIRCUIT FOR DEVICE TEMPERATURE PROTECTION
#6DIRECT CURRENT OFFSET CURRENT CANCELLATION CIRCUIT AND METHOD, RELATED DEVICE, AND SYSTEM
#7PRECISION OPERATIONAL AMPLIFIER USING FLOATING INPUT STAGE
#8Charge amplification circuits and methods
#9Fast settling ripple reduction loop for high speed precision chopper amplifiers
#10Offset compensated photodiode amplifier
#11System and methods for mixed-signal computing
#12Semiconductor integrated circuit, receiving device, and DC offset cancellation method
#13Switched capacitor amplifier circuit, voltage amplification method, and infrared sensor device
#14System and methods for mixed-signal computing
#15Amplifier capable of cancelling offset and sensor capable of cancelling offset component
#16Method to operate an optical sensor arrangement with improved offset correction and optical sensor arrangement
#17Method and system for a feedback transimpedance amplifier with sub-40khz low-frequency cutoff
#18Amplifier nonlinear offset drift correction
#19Current sensor integrated circuit with common mode voltage rejection
#20Offset correction for pseudo differential signaling
#21System and methods for mixed-signal computing
#22Common mode rejection including temperature drift correction
#23System and methods for mixed-signal computing
#24Method and system for a feedback transimpedence amplifier with sub-40KHZ low-frequency cutoff
#25On-chip resistor divider compensation with a 2VRMS input
#26Amplifier flicker noise and offset mitigating systems and methods
#27IMPEDANCE BOOTSTRAP CIRCUIT FOR AN INTERFACE OF A MONITORING DEVICE
#28Semiconductor device, display device, and electronic device
#29Switched capacitor amplifier circuit, voltage amplification method, and infrared sensor device
#30Differential amplification device
#31Optical receiver, active optical cable, and control method for optical receiver
#32Ripple reduction method for chopper amplifiers
#33Method and system for a feedback transimpedance amplifier with sub-40khz low-frequency cutoff
#34DC offset cancellation circuit
#35Semiconductor device, display device, and electronic device
#36Switched-capacitor bandgap reference circuit using chopping technique
#37Method and system for a feedback transimpedance amplifier with sub-40KHZ low-frequency cutoff
#38Optical receiver, active optical cable, and control method for optical receiver
#39Output buffer with offset cancellation structure and offset cancellation method using the same
#40Transimpedance amplifier circuit
#41Peak detector using charge pump and burst-mode transimpedance amplifier
#42Impedance bootstrap circuit for an interface of a monitoring device
#43Apparatus and methods for multi-channel autozero and chopper amplifiers
#44Chopped operational-amplifier (OP-AMP) system
#45Sensor signal output circuit and method for adjusting it
#46Manufacturing method for current sensor and current sensor
#47DC offset cancellation circuit
#48Method and system for a feedback transimpedance amplifier with sub-40khz low-frequency cutoff
#49Apparatus and method for amplifying signal
#50Operational amplifier circuit
#51One-bit digital-to-analog converter offset cancellation
#52Receiver with adaptive filter and gain control
#53Chopper amplifier
#54Pop/click noise reduction circuitry for power-up and power-down of audio output circuitry
#55Impedance bootstrap circuit for an interface of a monitoring device
#56Integrated amplifier for driving acoustic transducers
#57Fully differential autozeroing amplifier
#58Auto-zero amplifier and feedback amplifier circuit using the auto-zero amplifier
#59Amplifier for receiving optical signals complementary to each other
#60Common mode input control for switch capacitor amplifier in pipeline analog-to-digital converter
#61Difference amplifier arrangement with transconductance amplifier based current compensation
#62Low switching error, small capacitors, auto-zero offset buffer amplifier
#63Audio amplifying circuit with improved noise performance
#64Offset cancellation for analog to digital converters
#65Amplitude control circuit, polar modulation transmission circuit, and polar modulation method
#66Method and system for a feedback transimpedance amplifier with sub-40khz low-frequency cutoff
#67Offset cancellation for differential circuits
#68Amplifier circuit and integrated circuit therefor
#69Circuits and methods for calibrating offset in an amplifier
#70DC offset cancellation circuit
#71Operational amplifier
#72Systems and methods for high order asymmetry correction
#73Chopper-stabilized instrumentation amplifier for impedance measurement
#74Amplifying circuit with offset compensation
#75Level shift circuit
#76Low-noise, low-power, low drift offset correction in operational and instrumentation amplifiers
#77Amplifier circuit and magnetic sensor
#78Offset removal circuit, associative memory including the same, and offset voltage removal method
#79DC-offset cancelled programmable gain array for low-voltage wireless LAN system and method using the same
#80Method and device for performing offset cancellation in an amplifier using floating-gate transistors
#81High-speed multi-stage voltage comparator
#82Chopper-stabilized instrumentation amplifier for impedance measurement
#83Digital microphone
#84Method for processing sensor signals subject to an offset and sensor arrangement designed to carry out the method
#85Multi-input operational amplifier and method for reducing input offset thereof
#86Current-voltage conversion circuit
#87Multistage amplifier and a method of settling the multistage amplifier
#88Fully differential comparator and fully differential amplifier
#89INSTRUMENTATION AMPLIFICATION WITH INPUT OFFSET ADJUSTMENT
#90Variable gain amplifier and receiver including the same
#91Apparatuses and methods for providing offset compensation for operational amplifier
#92Low-offset input circuit including amplifier circuit to correct circuit characteristics to cancel offset of the input circuit
#93Variable gain amplifier having variable gain DC offset loop
#94Receiver of high speed digital interface
#95Common-mode bandwidth reduction circuit and method for differential applications
#96Transconductance signal capacity format
#97Common mode rejection calibration method for difference amplifiers
#98Amplifier circuit
#99Low glitch offset correction circuit for auto-zero sensor amplifiers and method
#100Arrangement for canceling offset of driver amplifier circuitry
#101RF power sensing circuit
#102Amplifier device capable of reducing offset voltage
#103SAMPLE AND HOLD CIRCUITS WITH BUFFER OFFSET REMOVED
#104Dual transconductance amplifiers and differential amplifiers implemented using such dual transconductance amplifiers
#105Chopper-stabilized instrumentation amplifier for impedance measurement
#106DC offset calibration apparatus and method
#107SIGNAL-ENHANCEMENT SYSTEM FOR PHOTODETECTOR OUTPUTS
#108Three-stage amplifier
#109Adaptive controller for linearization of transmitter with impairments
#110Input offset voltage corrector
#111Method and apparatus for DC offset cancellation in amplifiers
#112Offset adjusting apparatus
#113Control of an adjustable gain amplifier
#114AMPLIFIER SYSTEM WITH CURRENT-MODE SERVO FEEDBACK
#115DC offset cancellation apparatus
#116Full swing amplifying circuit and applications thereof
#117Op driver with the function of canceling op offset
#118Method and device for performing offset cancellation in an amplifier using floating-gate transistors
#119Operational amplifier
#120Circuit utilizing op-sharing technique and related method thereof
#121Notch filter for ripple reduction in chopper stabilized amplifiers
#122DC offset correction for high gain complex filter
#123Digital signal offset adjusting apparatus and pulse pattern generator using the same
#124Multi-phase techniques for tuning and/or measuring operations of an amplifier
#125Operational amplifier with zero offset
#126Output offset protection for power amplifier
#127Offset canceller for compensating for offset in signal output
#128Circuit arrangement having an amplifier arrangement and an offset compensation arrangement
#129Chopper-stabilized operational amplifier and method
#130Laser power control circuit
#131Multiple differential amplifier system and method for transconductance mismatch compensation
#132Temperature compensation circuit
#133Chopper stabilized amplifier without DC output ripple
#134Sensor including circuitry for recovering time-varying information and removing DC offsets
#135DC cancellation circuit
#136Method and circuit for input offset correction in an amplifier circuit
#137Data receiver including a transconductance amplifier
#138Differential two-stage miller compensated amplifier system with capacitive level shifting
#139Differential output driver and semiconductor device having the same
#140Amplification system capable of reducing DC offset
#141Ultra low-frequency response, DC-blocked low-noise amplifier
#142VARIABLE GAIN AMPLIFIER
#143Amplifier arrangement, and method for compensating for an offset
#144Apparatus for removing DC offset and amplifying signal with variable gain simultaneously
#145System, method and apparatus for providing ground separation between different environments
#146Compensation circuits for unequal input/output common mode voltages
#147Signal-enhancement system for photodetector outputs
#148Low noise filter for a wireless receiver
#149Phase corrected miller compensation of chopper and nested chopper amplifiers
#150Charge comparator with low input offset
#151Differential amplifier with adaptive biasing and offset cancellation
#152Techniques to adjust vertical offset
#153Measurement interface optimized for both differential and single-ended inputs
#154Correcting DC offsets in a multi-stage amplifier
#155Analog buffer and method for driving the same
#156Method and circuit for reduced setting time in an amplifier
#157Variable rate RC calibration circuit with filter cut-off frequency programmability
#158Amplifier system with current-mode servo feedback
#159Sensor device and a signal amplification device of a small detection signal provided by the sensor
#160Measurement interface optimized for both differential and single-ended inputs
#161System and methods for mixed-signal computing