219363 ⎘
Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements; Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit; Long tailed pairs Non-folded cascode stages
Wideband active balun circuit based on differential amplifier
#302Differential circuit
#303Differential amplifier using body-source cross coupling
#304Low noise amplifier with embedded filter and related wireless communication unit
#305Signal conditioning circuit, a comparator including such a conditioning circuit and a successive approximation converter including such a circuit
#306Low mutual inductance matched inductors
#307Scheme for improving settling behavior of gain boosted fully differential operational amplifier
#308Multi-gain amplifier with input impedance control
#309Differential amplifier and sampling and holding circuit
#310Power control for a dual mode transmitter
#311Feedback-type variable gain amplifier and method of controlling the same
#312Linearization apparatus of triode region type operational transconductance amplifier
#313ACTIVE EMI SUPPRESSION CIRCUIT
#314System and method for linearizing a CMOS differential pair
#315Transmitter power amplifier working at different power supplies
#316Circuit with Q-enhancement cell having programmable bias current slope
#317Circuit with Q-enhancement cell having feedback loop
#318Apparatus and method for biasing cascode devices in a differential pair using the input, output, or other nodes in the circuit
#319Variable gain amplifier with wide gain variation and wide bandwidth
#320Peak detector and fixed gain amplifier circuit for automatic gain control and variable gain amplifier circuit
#321Variable-gain amplifier
#322Amplifier circuit with cross-coupled cascode transistors
#323Push-pull amplifier and method for low noise amplification
#324DAC based switching power amplifier
#325Dual power mode transmitter
#326Power amplifier transmission line transformer
#327Offset correcting method, offset correcting circuit, and electronic volume
#328Differential amplifier with active post-distortion linearization
#329Differential difference amplifier
#330Power management in a data acquisition system
#331Low noise amplifiers for low-power impulse radio ultra-wideband receivers
#332Integrated low noise amplifier
#333Voltage-controlled current source and variable-gain amplifier
#334Method for nullifying temperature dependence and circuit therefor
#335Ultra-wideband constant gain CMOS amplifier
#336CMOS amplifier of filter for ultra wideband application and method of the same
#337Bias circuit
#338Semiconductor circuit comprising vertical transistor
#339Gain variable circuit and automatic gain control amplifier using the same
#340Integrated switchless programmable attenuator and low noise amplifier
#341Low voltage low power class A/B output stage
#342Techniques for designing wide band low noise amplifiers
#343Sample and hold circuit with multiple channel inputs, and analog-digital converter incorporating the same
#344Operational amplifier for outputting high voltage output signal
#345Amplifier arrangement for ultra-wideband applications and method
#346Reducing flicker noise in two-stage amplifiers
#347Fully integrated tuner architecture
#348Radio frequency power amplifier
#349Output driver with common mode feedback
#350Multilevel power amplifier architecture using multi-tap transformer
#351Current mode phase shifter, mixer and amplifier
#352Use of a thick oxide device as a cascode for a thin oxide transconductance device in MOSFET technology and its application to a power amplifier design
#353Impedance matching techiques for multi-band or wideband RF amplifiers and associated amplifier designs
#354Differential amplifiers with enhanced gain and dynamic range
#355Variable gain amplifier and wireless communication apparatus including the same
#356Temperature compensation for internal inductor resistance
#357Ultra-wideband constant gain CMOS amplifier
#358Broadband low noise amplifier and RF signal amplification method of the same
#359Parallel power amplifier apparatus, method, and system
#360Sense amplifier and electronic apparatus using the same
#361Systems and methods for driving an output transistor
#362High output power radio frequency integrated circuit
#363Differential inductor based low noise amplifier
#364Variable gain amplifier for low voltage applications
#365Wireless transmitter having multiple power amplifier drivers (PADs) that are selectively biased to provide substantially linear magnitude and phase responses
#366Use of a thick oxide device as a cascode for a thin oxide transconductance device in MOSFET technology and its application to a power amplifier design
#367Linear and non-linear dual mode transmitter
#368Controllable amplifier and the use thereof
#369Transistor biasing independent of inductor voltage drop
#370Amplifier with increased bandwidth and method thereof
#371Controllable amplifier and method for amplifying a signal
#372Noise generator
#373CMOS variable gain amplifier for controlling dB linear gain
#374Ultra wideband filter based on a pair of cross-coupled transistors
#375Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier
#376Gain variable amplifier
#377Method for transforming output signals of a low-noise amplifier of a wireless transceiver
#378System and method for high frequency, high output swing buffers
#379Apparatus and method for biasing cascode devices in a differential pair using the input, output, or other nodes in the circuit
#380Use of a down-bond as a controlled inductor in integrated circuit applications
#381Adaptive bias scheme for high-voltage compliance in serial links
#382Variable gain amplifier
#383Low noise and high gain low noise amplifier
#384Multilevel power amplifier architecture using multi-tap transformer
#385Low power low noise amplifier for a magnetoresistive sensor
#386Variable gain amplifier
#387Linear high powered integrated circuit amplifier
#388Low voltage broadband gain cell
#389Gain boosting RF gain stage with cross-coupled capacitors
#390Multi-standard amplifier
#391Device for setting up a write current in an MRAM type memory and memory comprising
#392Non-match power amplifier and method for increased output 1 dB compression point
#393Sense amplifier with low common mode differential input signal
#394Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier
#395MOSFET amplifier having feedback controlled transconductance
#396Current mode analog-to-digital converter
#397Self biased differential amplifier
#398Power amplifier utilizing high breakdown voltage circuit topology
#399Differential amplifier with adaptive biasing and offset cancellation
#400Monolithic CMOS differential LNA with enhanced linearity
#401SOI sense amplifier with cross-coupled bit line structure
#402System and method for linearizing a CMOS differential pair
#403Ultra-wideband constant gain CMOS amplifier
#404Dual-band CMOS front-end with two gain modes
#405VGA-CTF combination cell for 10 Gb/s serial data receivers
#406Supply circuit for power amplifier drivers
#407Radio frequency variable gain amplifier with linearity insensitive to gain
#408Multi-primary distributed active transformer amplifier power supply and control
#409Adaptive radio transceiver with offset PLL with subsampling mixers
#410Multi-primary distributed active transformer oscillator power supply and control
#411Amplifying circuit with adjustable amplification and transmitter system comprising such an amplifying circuit
#412Operational amplifier including low DC gain wideband circuit and high DC gain narrowband gain circuit
#413System and method for on-chip filter tuning
#414Operational transconductance amplifier with DC offset elimination and low mismatch
#415Offset-compensated self-biased differential amplifier
#416Common mode feedback circuit for fully differential two-stage operational amplifiers
#417Clamping circuit
#418Enhancing SNR and throughput performance of integrated circuits
#419Integrated switchless programmable attenuator and low noise amplifier
#420Differential amplifier
#421Use of a down-bond as a controlled inductor in integrated circuit applications
#422High linearity, high efficiency power amplifier with DSP assisted linearity optimization
#423High performance switch for switched inductor tuned RF circuit
#424Tuning RF circuits using switched inductors provided in a monolithic integrated circuit
#425Use of a thick oxide device as a cascode for a thin oxide transcoductance device in MOSFET technology and its application to a power amplifier design
#426High speed amplifier incorporating pre-emphasis
#427Radio frequency unit analog level detector and feedback control system
#428Automatically adjusting low noise amplifier
#429Low-noise amplifying circuit
#430Common mode feedback circuit for fully differential two-stage operational amplifiers
#431Biasing technique using thin and thick oxide transistors
#432Integrated low noise amplifier
#433Radio frequency integrated circuit having symmetrical differential layout
#434Active filter circuit with operational amplifier
#435Offset correcting method, offset correcting circuit, and electronic volume
#436Switched-capacitor, common-mode feedback circuit for a differential amplifier without tail current
#437Biosensor circuit and sensor array consisting of a plurality of said biosensor circuits and biosensor array
#438Sense amplifier and electronic apparatus using the same
#439Amplified system for determining parameters of a patient
#440Current integrator and related signal processing system
#441Receiver intermediate variable gain stage for isolator products
#442Body bias circuit for current steering DAC switches
#443Continuous time linear equalizer that uses cross-coupled cascodes and inductive peaking