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9041465 Amplifier circuits  
Differential amplifier circuits for LDMOS-based amplifiers are disclosed. The differential amplifier circuits comprise a high resistivity substrate and separate DC and AC ground connections. Such...
9030257 Differential circuit compensated with self-heating effect of active device  
A differential circuit with a function to compensate unevenness observed in the differential gain thereof is disclosed. The differential circuit provides a low-pass filter in one of the paired...
9030258 Operational transconductance amplifier with increased current sinking capability  
An amplifier circuit includes an input terminal and an output terminal. A current sinking transistor includes a first conduction terminal coupled to the output terminal and a second conduction...
9013236 Operational transconductance amplifier  
An operational transconductance amplifier for connection with multiple input voltage sources includes a resistance simulation unit, two current cancellation units, a first differential output...
9008332 Processing chip for a digital microphone and related input circuit and a digital microphone  
A processing chip for a digital microphone and related input circuit and a digital microphone are described herein. In one aspect, the input circuit for a processing chip of a digital microphone...
8988402 Output circuit, data driver, and display device  
An output circuit includes a differential amplifier circuit, an output amplifier circuit, a control circuit, input and output terminals, and first to third supply terminals applied with first to...
8970308 Input match network with RF bypass path  
A power circuit includes a RF transistor and an input match network coupled to an input to the RF transistor and to an input to the power circuit. The input match network includes a resistor, an...
8949083 Modeling gate transconductance in a sub-circuit transistor model  
A method for modeling a transistor includes providing a transistor model having at least a source node, a drain node, and a gate node, simulating operation of a device using the transistor model...
8941047 Molecular transistor driving of nanoscale actuators from differential amplifier circuits compatible with carbon nanotube sensors and transducers  
A carbon nanotube electronic circuit utilizing a differential amplifier is implemented on a single carbon nanotube. Field effect transistors are formed from a first group of electrical conductors...
8942760 Integrated bluetooth and wireless LAN transceivers having merged low noise and power amplifier  
A group of transistors operate as a combined power amplifier, to amplify signals to be transmitted, and as a low noise amplifier, to amplify signals which are received. In a first mode, the group...
8937508 Differential amplifier  
Aspects of the disclosure provide a differential amplifier. The differential amplifier includes a first pair of complementary transistors, a second pair of complementary transistors, and a current...
8937510 Operational amplifier module and method for enhancing driving capability of operational amplifier circuit  
An operational amplifier module including an operational amplifier circuit and a comparator circuit is provided. The operational amplifier circuit includes an input stage circuit and an output...
8934858 Digital demodulation circuit using automatic gain control circuit having temperature compensation function  
A digital demodulation circuit amplifies a received signal of an intermediate frequency with a variable gain control amplifier so as to convert it into a baseband signal, which is separated into a...
8933749 Circuits and methods for calibrating offset in an amplifier  
In one embodiment, the present disclosure includes a circuit comprising an amplifier having an input and an output, an offset detection circuit to detect an offset of the amplifier at the output...
8928406 Low-power inverter-based differential amplifier  
A new inverter-based fully-differential amplifier is provided including one or more common-mode feedback transistors coupled to each inverter, which transistors operate in the liner region....
8928408 High-gain low-noise preamplifier and associated amplification and common-mode control method  
A preamplifier includes a differential pair of transistors receiving a bias current having a differential input and a differential output, a first resistor coupled to a first differential output...
8922282 Low output impedance RF amplifier  
A radio frequency (RF) power amplifier includes a low impedance pre-driver driving the input of a common-source output amplifier stage. The preamplifier includes a first transistor that has a...
8902004 Reducing the effect of parasitic mismatch at amplifier inputs  
A circuit includes an amplifier including a differential input stage including a first input terminal and a second input terminal. The circuit further includes a differential input line coupled to...
8897467 Capacitive load driving amplifier  
An electronic amplifier for driving a capacitive load may include first and second differential input terminals to receive an input signal, and first and second differential output terminals to...
8890623 System and method for reducing stress in a cascode common-source amplifier  
A method of reducing stress in a cascode common-source amplifier including a first transistor and a second transistor connected in a cascode arrangement. The method includes providing an input...
8890612 Dynamically biased output structure  
A transconductance amplification stage (301) includes a differential pair (306) wherein a bias current flows through each transistor (302, 304) of the pair when input voltages are equal. Tail...
8886151 Receiving device and method for removing mismatch between signal paths in a low noise amplifier in wireless communication system, and low-power amplifier therefor  
The present invention relates to a receiving device and method for removing a mismatch in a wireless communication system, and to a low noise amplifier (LNA) therefor. According to the present...
8878608 Comparator and amplifier  
A comparator has a differential pair circuit, a current control circuit, and a latch. The differential pair circuit has first and second comparator transistors, and is arranged to compare a first...
8878609 Differential amplifier circuit  
A differential amplifier circuit includes a differential amplification unit configured to amplify a difference of an input signal and a reference voltage and generate an output signal and an...
8872586 Folded-cascode amplifier  
An amplifier with gain boosting is disclosed according to an aspect of the subject technology. The gain boosting may be used to improve the noise figure of the amplifier, and may be achieved by...
8847683 Differential amplifying circuit  
A differential amplifying circuit includes: two metal oxide semiconductor transistors to form a differential pair and receive a differential signal; a plurality of capacitance elements coupled in...
8836427 Folded cascode operational amplifier  
A folded cascode operational amplifier is disclosed. The folded cascode operational amplifier includes a first current source, a second current source, and a first voltage terminal connected to...
8829995 System and method for process, voltage, temperature (PVT) stable differential amplifier transfer function  
A method is provided for process, voltage, temperature (PVT) stable transfer function calibration in a differential amplifier. The gain resistors of a differential amplifier are initially selected...
8823451 High-frequency signal processing device  
Disclosed is a high-frequency signal processing device capable of reducing transmission power variation and harmonic distortion. For example, the high-frequency signal processing device includes a...
8823450 Multiple-output transconductance amplifier based instrumentation amplifier  
This disclosure is directed to devices and integrated circuits for instrumentation amplifiers. In one example, an instrumentation amplifier device uses two non-inverted outputs of a first...
8816770 Low-voltage constant-gm rail-to-rail CMOS input stage with improved gain  
The present invention concerns an apparatus comprising a first circuit and a second circuit. The first circuit may be configured to generate an output signal in response to a differential input...
8816769 Differential stacked output stage for power amplifiers  
A power amplifier system includes a transistor stack and an upper portion. The upper portion includes an LC tank. The LC tank is configured to generate selected harmonics to mitigate voltage...
8816771 Signal amplifying circuit with reduced output signal noise by introducing coupling effect and related method thereof  
A signal amplifying circuit includes: an input stage circuit, arranged to receive an input signal; a first inductive device coupled between the input stage circuit and a first reference voltage;...
8810315 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Differential amplifying circuit
 
A differential amplifying circuit includes: two metal oxide semiconductor transistors to form a differential pair and receive a differential signal; a plurality of capacitance elements coupled in...
8810319 Dual-stage continuous-time linear equalizer  
One embodiment relates an equalizer which includes a first amplifier stage and a second amplifier stage. The first amplifier stage is configured to apply a first gain at a characteristic frequency...
8803596 Differential source follower having 6dB gain with applications to WiGig baseband filters  
Sallen-Key filters require an operational amplifier with a large input impedance and a small output impedance to meet the external filter characteristics. This invention eliminates the need for...
8803609 Bandwidth extension of an amplifier  
An amplifier may include a gain stage configured to convert an input voltage signal to a current signal and to amplify the input voltage signal according to a gain. The amplifier may also include...
8791758 Apparatus and methods for buffer linearization  
Apparatus and methods for buffer linearization are provided. In certain implementations, an amplifier includes a buffer circuit and a gain circuit. The buffer circuit includes a buffer transistor...
8791752 Two-stage class AB operational amplifier  
The invention relates to a two stage class AB operational amplifier for driving a load, comprising at least an input stage comprising differential input terminals and an output terminal to provide...
8786364 Gain enhancement for cascode structure  
Aspects of the present invention provide apparatuses and methods to provide significant gain enhancement for a cascode structure for a differential amplifier. The cascode structure of the...
8787507 Detection and mitigation of interference in a receiver  
A novel receiver architecture optimizes receiver performance in the presence of interference. In various embodiments, power estimation circuits are used with variable selectivity to determine the...
8786475 Input configuration for analog to digital converter  
A circuit includes an input, two or more sampling capacitors each in a different channel, means for connecting each sampling capacitor to the input, means for discharging the sampling capacitors...
8779853 Amplifier with multiple zero-pole pairs  
An amplifier is disclosed. In accordance with some embodiments of the present disclosure, an amplifier may comprise a differential pair comprising a first transistor and a second transistor,...
8774741 Reconfigurable power amplifier for improved low-power efficiency  
A radio frequency (RF) power amplifier (PA) is reconfigured to operate in a low power mode from a high power mode. The RF PA has a first RF amplifier is connected to the first and second inputs of...
8766720 Hybrid load differential amplifier operable in a high temperature environment of a turbine engine  
A circuitry (120) adapted to operate in a high-temperature environment of a turbine engine is provided. The circuitry may include a differential amplifier (122) having an input terminal (124)...
8754881 Operational amplifier and liquid crystal drive device using same, as well as parameter setting circuit, semiconductor device, and power supply unit  
The operational amplifier according to the present invention has at least one differential input part for generating a voltage signal corresponding to an electric potential difference between a...
8742845 Amplifier circuits with reduced power consumption  
Various embodiments of an amplifier circuit are provided. In one embodiment, the amplifier circuit includes an input differential circuitry configured to convert a pair of input differential...
8736370 Variable gain amplifier circuit  
A variable gain amplifier circuit is disclosed. The variable gain amplifier circuit includes a first transistor, a second transistor, a third transistor, a fourth transistor, a first gain...
8736369 Electronic circuit for adjusting an offset of a differential amplifier  
An electronic circuit has a differential amplifier with a differential transistor pair having two transistors. The electronic circuit also has two digital-to-analog converters, a respective one of...
8729961 Voltage output device having an operational amplifier  
A voltage output device capable of preventing an increase in circuit scale includes an offset compensation function and is suitably applicable to a drive circuit for display devices. The voltage...