219444 ⎘
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 in differential amplifiers with FET transistors as the active amplifying circuit by using feedback means
Sub-classes:AMPLIFYING CIRCUIT AND AMPLIFYING DEVICE
#2TRANSCONDUCTANCE AMPLIFIER CIRCUIT AND DC-DC CONVERTER USING THE TRANSCONDUCTANCE AMPLIFIER CIRCUIT
#3FEEDFORWARD-BASED COMMON-MODE FEEDBACK SCHEME FOR OPAMPS
#4CONCEPT FOR A BUFFERED FLIPPED VOLTAGE FOLLOWER AND FOR A LOW DROPOUT VOLTAGE REGULATOR
#5AMPLIFIER WITH INPUT AND OUTPUT COMMON-MODE CONTROL IN A SINGLE AMPLIFICATION STAGE
#6RECEIVER CIRCUIT AND OPTICAL RECEIVER CIRCUIT
#7AMPLIFICATION CIRCUIT
#8Signal compensation with summed error signals
#9Operational amplifier and method for operating an operational amplifier
#10Differential amplifier circuit, reception circuit, and semiconductor integrated circuit
#11Concept for a buffered flipped voltage follower and for a low dropout voltage regulator
#12Multi-channel common-mode coupled AC gain amplifier
#13Amplifier circuit using voltage-to-current conversion and associated envelope tracking supply modulator using the same
#14Error amplifier device
#15METHODS AND APPARATUS FOR AN AMPLIFIER CIRCUIT
#16Clock drive circuit
#17Fully differential amplifier including feedforward path
#18Memories for receiving or transmitting voltage signals
#19Low energy transmitter
#20Operational amplifier and chip
#21Apparatus for receiving or transmitting voltage signals
#22Low energy transmitter
#23Methods and apparatus for an amplifier circuit
#24Amplifier class AB output stage
#25MEMS transducer amplifiers
#26Low voltage inverter-based amplifier
#27Oscillating circuit and method for calibrating a resonant frequency of an LC tank of an injection-locked oscillator (ILO) of the oscillating circuit while stopping self-oscillation of the ILO
#28Frequency-modulated continuous-wave radar system and frequency tracking method for calibrating frequency gains of a radio frequency signal to approach wideband flatness frequency responses
#29Chopper stabilized amplifier
#30Amplifier class AB output stage
#31Magnetic disk device capable of adjusting frequency of output signals for an in-phase AC current signal inputs
#32Channel select filter having a fully differential transresistance amplifier and CMOS current amplifier
#33MEMS transducer amplifiers
#34Two-stage operational amplifier
#35Amplifier with auxiliary path for maximizing power supply rejection ratio
#36Operational amplifier and differential amplifying circuit thereof
#37Frequency selective low noise amplifier circuit
#38Analog amplifier for recovering abnormal operation of common mode feedback
#39Overdrive amplifier and semiconductor device
#40Chopper stabilized amplifier
#41Telescopic amplifier with improved common mode settling
#42Circuits and methods for switched-mode operational amplifiers
#43Amplifier utilizing a configurable interface to a front end module
#44Operational transconductance amplifier, reconfigurable fully differential voltage sensing amplifier and reconfigurable fully differential capacitive sensing amplifier
#45ANALOG AMPLIFIER FOR RECOVERING ABNORMAL OPERATION OF COMMON MODE FEEDBACK
#46Common-mode feedback differential amplifier
#47Low-power inverter-based differential amplifier
#48Receiver using impedance shaping
#49Op-Amp sharing by swapping trans-conductance cells
#50METHOD FOR SYNTHESIZING SIGMA-DELTA MODULATOR
#51Flexible low noise, high linearity, high frequency, low power, fully differential mixer and class AB post-mixer amplifier system for SDR applications
#52Differential amplifier
#53Signal processing circuit with improved linearity
#54Method and device for controlling a common-mode voltage of a switched-capacitor system, in particular an analog-to-digital converter
#55Resistively loaded single stage differential amplifier having zero volt common mode input
#56Pre-amplifier for a receiver and a method therefor
#57Integrated circuit system for line regulation of an amplifier
#58Bandpass filter circuit, band-elimination filter circuit, infrared signal processing circuit
#59Low Current, High Gain, Single to Differential Buffer
#60Voltage-to-current converter
#61Method for nullifying temperature dependence and circuit therefor
#62Amplifier gain calibration system and method
#63Sense amplifier with low common mode differential input signal
#64Communication circuit including voltage mode harmonic-rejection mixer (HRM)
#65Low-power channel select filter using transresistance amplifier for DVB-H receivers
#66Synthesizer—power amplifier interface in a wireless circuit
#67Differential amplifier with common-mode biasing technique
#68Supply-noise-rejecting current source
#69Flexible signal chain processing circuits and method
#70Level-shifting amplifier
#71Amplifier common-mode control method
#72Circuits and methods for variable gain amplifiers
#73Stacked receivers