FreshPatents.com Logo
Enter keywords:  

Track companies' patents here: Public Companies RSS Feeds | RSS Feed Home Page
Popular terms

[SEARCH]

Amplifier Circuit topics
Amplifier Circuit
Semiconductor
Differential Amplifier Circuit
Differential Amplifier
Memory Cells
Semiconductor Device
Memory Cell
Semiconductor Substrate
Photodiode
Signal Processing
Memory Effect
Electronic Device
Electrical Signal
Storage Device
Communications

Follow us on Twitter
twitter icon@FreshPatents

Web & Computing
Cloud Computing
Ecommerce
Search patents
Smartphone patents
Social Media patents
Video patents
Website patents
Web Server
Android patents
Copyright patents
Database patents
Programming patents
Wearable Computing
Webcam patents

Web Companies
Apple patents
Google patents
Adobe patents
Ebay patents
Oracle patents
Yahoo patents

[SEARCH]

Amplifier Circuit patents



      
           
This page is updated frequently with new Amplifier Circuit-related patent applications. Subscribe to the Amplifier Circuit RSS feed to automatically get the update: related Amplifier RSS feeds. RSS updates for this page: Amplifier Circuit RSS RSS


Amplifier circuit

Date/App# patent app List of recent Amplifier Circuit-related patents
07/24/14
20140204720
 Constant voltage circuit and analog electronic clock patent thumbnailnew patent Constant voltage circuit and analog electronic clock
There are provided a constant voltage circuit that features low current consumption and stable operation, and an analog electronic clock provided with the constant voltage circuit. The constant voltage circuit includes a differential amplifier circuit which is turned on/off by a predetermined signal and which controls the voltage of a gate of an output transistor on the basis of a reference voltage and a feedback voltage that are received, a switch circuit which is connected to an output terminal of the differential amplifier circuit and which is turned on/off by a predetermined signal, and a voltage holding circuit which is connected between the gate of the output transistor and a power supply terminal and which has a resistor and a capacitor connected in series.
07/24/14
20140203876
 Amplifier circuit patent thumbnailnew patent Amplifier circuit
An amplifier circuit is described comprising a first field effect transistor comprising a first source/drain terminal coupled to a first supply terminal, a second source/drain terminal coupled to an output of the amplifier circuit and a gate terminal; a second field effect transistor comprising a first source/drain terminal coupled to an input of the amplifier circuit, a second source/drain terminal coupled to the gate terminal of the first field effect transistor and a gate terminal; a third field effect transistor comprising a first source/drain terminal coupled to a first bias current source of the amplifier circuit, a second source/drain terminal and a gate terminal coupled to its first source/drain terminal and the gate terminal of the second field effect transistor; a fourth field effect transistor comprising a first source/drain terminal coupled to a second bias current source, a second source/drain terminal coupled to a second supply terminal and a gate terminal coupled to the second source/drain terminal of the third field effect transistor; and a control circuit coupled to the gate of the fourth field effect transistor configured to control the source drain voltage of the fourth field effect transistor by means of the gate of the fourth field effect transistor to be equal to a reference voltage.. .
07/17/14
20140197892
 On-die harmonics filtering for radio frequency power amplifiers patent thumbnailOn-die harmonics filtering for radio frequency power amplifiers
A power amplifier architecture for connecting a radio frequency (rf) transceiver to an antenna. An input matching circuit is connected to its input port, and an output matching circuit is connected to its output port.
07/10/14
20140192588
 Nonvolatile memory device and read method thereof patent thumbnailNonvolatile memory device and read method thereof
A nonvolatile memory device is provided which includes a main area including main cells connected to word lines and main bit lines; a reference area including reference cells connected to the word lines and reference bit lines and programmed using the same write condition as that of the main area; a reference sense amplifier circuit configured to read data written at the reference area through the reference bit lines at a read operation; and control logic configured to control the reference sense amplifier circuit such that data written at the reference area is shifted with a weight scheme and then read, the data written at the reference area being used as a read reference value of the main area at a read operation.. .
07/10/14
20140191809
 Radio frequency amplifier circuit patent thumbnailRadio frequency amplifier circuit
A radio frequency amplifier circuit includes a transistor and an output-side matching circuit. The output-side matching circuit includes a first distributed constant line to which a radio frequency signal from the transistor is transmitted, a flat plate lead terminal transmitting the radio frequency signal from the first distributed constant line to an outside of the package, and a capacitive element having one electrode that is connected to the lead terminal and the other electrode that is grounded.
07/10/14
20140191777
 Monitoring system for detecting degradation of integrated circuit patent thumbnailMonitoring system for detecting degradation of integrated circuit
A monitoring system for detecting stress degradation of a semiconductor integrated circuit has an amplifier circuit and degradation test transistors. Multiplexers are provided that have an output coupled to a respective electrode of the degradation test transistor.
07/03/14
20140185372
 Memory sensing circuit patent thumbnailMemory sensing circuit
A sensing circuit includes a sense amplifier circuit having a first and second nodes through which a magnetic memory element is sensed. A first current source is coupled to the first node a second current source is coupled to the second node.
07/03/14
20140185369
 Sense amplifier scheme for low voltage sram and register files patent thumbnailSense amplifier scheme for low voltage sram and register files
In at least one embodiment, a sense amplifier circuit includes a bit line, a sense amplifier output, a keeper circuit, and a noise threshold control circuit. The keeper circuit is coupled to the bit line and includes an nmos transistor coupled between a power node and the bit line.
07/03/14
20140184338
 Ask modulation amplification circuit patent thumbnailAsk modulation amplification circuit
An amplitude shift keying (ask) modulation amplifier circuit includes a first amplifier to which a high frequency signal and a modulating signal are supplied, and that is configured to perform an amplification of the high frequency signal and an ask modulation, and a second amplifier to which an output of the first amplifier and the modulating signal are supplied, and that is configured to perform an amplification of the output signal from the first amplifier and an ask modulation. In some configurations, an amplification gain of the second amplifier is set higher than an amplification gain of the first amplifier..
07/03/14
20140184332
 Amplifier circuit including digital amplifier and analog amplifier patent thumbnailAmplifier circuit including digital amplifier and analog amplifier
An amplifier circuit includes a digital amplifier configured to amplify an input signal to output a first output signal, an analog amplifier configured to amplify the input signal to output a second output signal, a check circuit configured to produce a check signal responsive to frequencies of the input signal, and a selector circuit configured to select and output one of the first output signal and the second output signal in response to the check signal.. .
07/03/14
20140184331
Amplifier circuits and methods of amplifying an input signal
A method of operating an amplifier circuit having a pre-charge phase and a sample/conversion phase includes, during a pre-charge phase, charging first and second capacitors to first and second bias voltages. The first capacitor is coupled to a first input of an amplifier circuit, which has a second input and an output.
07/03/14
20140184314
Semiconductor device
A coulomb counter is provided. In the coulomb counter, a current generated on charge or discharge of a secondary battery is converted into a voltage by a resistor, and the voltage is amplified by an amplifier circuit.
06/26/14
20140179249
Integrated rf front end with stacked transistor switch
A monolithic integrated circuit (ic), and method of manufacturing same, that includes all rf front end or transceiver elements for a portable communication device, including a power amplifier (pa), a matching, coupling and filtering network, and an antenna switch to couple the conditioned pa signal to an antenna. An output signal sensor senses at least a voltage amplitude of the signal switched by the antenna switch, and signals a pa control circuit to limit pa output power in response to excessive values of sensed output.
06/26/14
20140179243
Amplifier circuits
Radio frequency (rf) amplifier circuits are disclosed which may exhibit improved video/instantaneous bandwidth performance compared to conventional circuits. For example, disclosed rf amplifier circuits employ various concepts for reducing an overall circuit inductance or enabling an increase in capacitance for a given circuit size..
06/26/14
20140177876
Audio amplifier performance while maintaining usb compliance and power down protection
An apparatus comprises a first audio amplifier circuit configured to provide an analog audio signal and an analog switch circuit including a first input configured to receive the analog audio signal, a second input configured to receive a first digital data signal, and a first output configured to provide one of the digital data signal or the analog audio signal. The apparatus also includes a first feedback circuit coupled to the first audio amplifier circuit and the analog switch circuit output, the feedback circuit configured to bias the first audio amplifier circuit..
06/26/14
20140177350
Single-ended sense amplifier circuit
A single-ended sense amplifier and a method for reading a memory cell are disclosed. The method includes the following steps.
06/26/14
20140176243
Systems and methods to adjust the matching conditions of an amplifier
A system and method improve amplifier efficiency of operation relative to that of a matching circuit with fixed matching conditions. A power level representing a level of transmission power from an amplifier circuit and an indicator of amplifier circuit operation are provided.
06/26/14
20140176241
High-frequency bandwidth amplifying circuit
A high-frequency bandwidth amplifier circuit comprises: a push-pull amplifier, a feedback resistor, a first active inductor, and a second active inductor. An input terminal of the push-pull amplifier is connected with an external input terminal.
06/26/14
20140176239
Adaptive control mechanisms to control input and output common-mode voltages of differential amplifier circuits
An amplifier circuit includes differential input nodes, a differential amplifier stage having differential input terminals and differential output terminals, and an input common-mode voltage adaptation circuit connected between the differential input nodes of the amplifier circuit and the differential input terminals of the differential amplifier stage. During an input common-mode adaptation phase, the input common-mode voltage adaptation circuit forces the differential input terminals of the differential amplifier stage to a common-mode voltage equal to an adaptive reference voltage, independent of a common-mode voltage applied to the differential input nodes of the amplifier circuit during the input common-mode adaptation phase.
06/19/14
20140169605
Wireless audio coupler and amplifier for mobile phone, tablet device, mp3 player and the like
An electronic amplifier device amplifies magnetic audio signals emanating from a portable electronic device placed thereon. The electronic amplifier device includes a housing having a designated area for placement of the portable electronic device thereon, an amplifier circuit, and at least one loudspeaker electrically coupled to the amplifier circuit.
06/19/14
20140168828
Circuit interrupter providing ground fault protection and systemincluding the same
A circuit interrupter includes a trip actuator configured to cooperate with an operating mechanism to trip open separable contacts. The circuit interrupter also includes a ground fault sensor configured to sense a difference between a current through a first electrical conductor and a current through a second electrical conductor and to output an output current based on the sensed difference and a ground fault amplifier circuit configured to convert the output current to an output voltage.
06/19/14
20140168113
Touch panel control circuit
A voltage generating unit includes an output transistor arranged as a first-terminal side extension of a path that includes a first terminal, a first resistive film, and a second terminal, and is configured to apply a first bias voltage to the first terminal. A current detection unit includes a detection transistor connected to the output transistor such that they form a current mirror circuit, a detection resistor arranged on a path of the detection transistor, and an amplifier circuit configured to amplify the difference between a voltage drop across a detection resistor and a predetermined voltage, and to output the difference thus amplified as a value which represents a panel current..
06/19/14
20140167852
Semiconductor device and offset voltage correcting method
A semiconductor device includes: an amplifier circuit that has an inverting input terminal, a non-inverting input terminal, and an output terminal; a first variable voltage source that generates a first bias voltage having a voltage value corresponding to a first set value; a second variable voltage source that generates a second bias voltage having a voltage value corresponding to a second set value; a first resistor whose one end is connected to the inverting input terminal; a second resistor that is connected between the output terminal and the inverting input terminal; a third resistor whose one end is connected to the non-inverting input terminal; and a fourth resistor that is connected between the second variable voltage source and the non-inverting input terminal. The first bias voltage is provided to the other end of the first resistor.
06/19/14
20140165734
Amplifier-embedded pressure sensor
An amplifier-embedded pressure sensor includes: a pressure-detecting element which detects the differential pressure between the fluid and the space where the pipe including a fluid passage of the fluid is installed, and outputs the pressure signal; an amplifier circuit board having an amplifier circuit for amplifying the pressure signal; a housing to which the pressure-detecting element is fixed; and a separation part which is fixed to the housing and separates a space inside the housing into a first space where the pressure-detecting element is disposed and a second space where the amplifier circuit board is disposed. The housing includes an inflow port for letting cooling gas for cooling the amplifier circuit board flow into the second space and a discharge port for discharging the cooling gas from the second space..
06/12/14
20140159820
Sense amplifier
A sense amplifier circuit includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a first resistive device, and a second resistive device. The first resistive device is coupled to a first data line and to a drain of the third transistor.
06/12/14
20140159816
Amplifier circuit
An amplifier circuit comprises an input, for receiving an input signal to be amplified; a preamplifier, for amplifying the input signal based on a variable gain; a power amplifier for amplifying the signal output from the preamplifier; and a variable voltage power supply for supplying one or more supply voltages to the power amplifier. The supply voltages are adjusted based on the variable gain or the input digital signal.
06/12/14
20140159809
Single stage switching power amplifier with bidirectional energy flow
A switching amplifier realizes bidirectional energy flow and combines switching and power amplification into one single stage so as to increase system efficiency. The modulator circuit of the amplifier receives and modulates an input signal, and generates and outputs modulated driver signals, which are used by the power driver circuit to generate signals to drive switching transformers of an amplifier circuit of the amplifier, and control signals, which are used to control an output generator circuit so as to allow individual inductors across the load by enabling current flowing through the load to have a path to ground.
06/12/14
20140158866
Amplifier and optical receiver
An amplifier circuit includes: a first transistor and a second transistor of which collectors/drains are coupled to a first power-source via a first load-impedance-element and the first power-source via a second load-impedance-element, respectively; a gain-adjustment-resistance-element that is connected to an emitter/source of the first transistor and an emitter/source of the second transistor; a first current-source and a second current-source that are connected to the emitters/the sources of the first transistor and the second transistor respectively, and a second power-source; a third transistor and a fourth transistor of which collectors/drains are connected to the first power-source and bases/gates are connected to the first load-impedance-element and the second load-impedance-element, respectively; a first feedback-resistance-element that is connected to a base/gate of the first transistor and an emitter/source of the third transistor; and a second feedback-resistance-element that is connected to a base/gate of the second transistor and an emitter/source of the fourth transistor.. .
06/12/14
20140157864
Gas sensor
A gas sensor instrument comprises a housing formed of two parts (102, 10) and a diffusion chamber inside the housing. The diffusion chamber is formed from two parts (106, 108) and at least one of the diffusion chamber parts is formed integrally with one of the housing parts.
06/05/14
20140153746
Microphone preamplifier circuit
A microphone preamplifier circuit (60) is described, adapted to be connected to a microphone circuit (mcd), the microphone circuit (mcd) comprising a microphone (3) and at least one output node (mo, mo′). The microphone preamplifier circuit (60) comprises a preamplifier (pa) comprising: —at least one input node (10, 10′) adapted to be connected to said output node (mo, mo′); —an operational amplifier (oa) comprising at least one input (20, 20′) and at least one output (21, 21′); —at least one input dc decoupling capacitor (cd, cd′) connected between said input node (10, 10′) and said first input of the operational amplifier (20,20′); at least one feedback capacitor (c2a, c2a′) connected between the input (20,20′) and the output (21, 21′) of the operational amplifier (oa) in order to set together with said input dc decoupling capacitor (cd, cd′) a gain value of the preamplifier circuit (60); —a first (40, 40′) and a second feed node (41, 41′) adapted to be fed by a first (vcimin) and a second (vcm) bias voltage respectively.
06/05/14
20140152388
Amplifier circuit and methods of operation thereof
A signal amplifying circuit and associated methods and apparatuses, the circuit comprising: a signal path extending from an input terminal to an output terminal, a gain controller arranged to control the gain applied along the signal path in response to a control signal; an output stage within the signal path for generating the output signal, the output stage having a gain that is substantially independent of its supply voltage, and a variable voltage power supply comprising a charge pump for providing positive and negative output voltages, the charge pump comprising a network of switches that is operable in a number of different states and a controller for operating the switches in a sequence of the states so as to generate positive and negative output voltages together spanning a voltage approximately equal to the input voltage.. .
06/05/14
20140152293
Sensing circuit
The present invention discloses a sensing circuit including a sensing device, a first amplifier circuit, a high-pass filter, a second amplifier circuit and a determination circuit. The sensing device produces a sensing signal.
05/29/14
20140145921
Display drive circuit, display device and method for driving display drive circuit
A source driver (20) includes: a first amplifier circuit and a second amplifier circuit each amplifying either one of input signals that are in-phase and antiphase; and a switching control circuit (29) which supplies an offset switching signal (4) for switching the input signals, the switching control circuit (29) supplying the offset switching signal (4) having a higher frequency than a horizontal synchronization signal. This provides a display drive circuit capable of enhancing a display quality while preventing a flicker from occurring in an entire display screen..
05/29/14
20140145791
Amplifier circuit
A integrated doherty amplifier circuit comprising a main input terminal, a peak input terminal and an output terminal, a main input conductor and a peak input conductor that are offset from one another in a first direction, the main and peak input conductors extend in a second direction that is perpendicular to the first direction, and wherein an input end of the main input conductor is coupled to the main input terminal and an input end of the peak input conductor is coupled to the peak input terminal, an output conductor that extends in the second direction, an output end of the output conductor is coupled to the output terminal, a main amplifier stage extends in the second direction and has a main stage input and a main stage output, a peak amplifier stage extends in the second direction and has a peak stage input and a peak stage output.. .
05/29/14
20140145714
Hall electromotive force signal detection circuit and current sensor thereof
The present invention relates to a hall electromotive force signal detection circuit and a current sensor thereof each of which is able to achieve excellent wide-band characteristics and fast response as well as high accuracy. A difference calculation circuit (15) samples a component synchronous with a chopper clock generated by a chopper clock generation circuit (14), out of an output voltage signal of a signal amplifier circuit (13), at a timing obtained from the chopper clock, so as to detect the component.
05/22/14
20140142447
Detection circuit
An amplifier circuit includes first and second amplification units. A first detection electrode and a high impedance circuit are connected to the input terminal of the first amplification unit.
05/22/14
20140140144
Sense amplifier circuit
A sense amplifier circuit includes first and second signal lines and first and second inverters. Each inverter includes an input terminal, an output terminal, and a power source terminal.
05/22/14
20140139713
Solid-state imaging device, imaging device, and signal reading method
This solid-state imaging device includes a first substrate and a second substrate which have circuit elements constituting pixels disposed therein are electrically connected to each other. The pixels includes: a photoelectric conversion element disposed in the first substrate; an amplifier circuit that amplifies a signal generated in the photoelectric conversion element to output the amplified signal; a signal accumulation circuit which is disposed in the second substrate and accumulates the amplified signal which is output from the amplifier circuit; and an output circuit that outputs the amplified signal accumulated in the signal accumulation circuit from the pixel..
05/15/14
20140133678
Circuit structure for achieving adaptive function in class-d audio power amplifier circuit
Disclosed is a circuit structure for implementing an adaptive function in a class-d audio power amplifier circuit, comprising an operation amplifier, a pulse width modulator and a driver stage that are sequentially and serially connected, an input terminal of the operation amplifier being connected to an external audio signal output terminal, and an output terminal of the driver stage being connected to a loudspeaker and connected to the input terminal of the operation amplifier via a feedback loop. The circuit structure further comprises: one or a plurality of a carrier adaptive circuit, a frequency adaptive circuit, a driver adaptive circuit, a temperature adaptive circuit..
05/15/14
20140132353
Amplifier circuit
An integrated power amplifier circuit is disclosed. The circuit comprises: first and second amplifiers fabricated on one or more dies, the one or more dies being mounted on a support structure; a first set of one or more connection elements connected to the first amplifier and passing above a portion of the support structure; and a second set of one or more connection elements connected to the second amplifier and passing above a portion of the support structure.
05/15/14
20140132351
Amplifier circuit
An amplifier circuit includes an amplifier circuit that emitter-grounds a first transistor that amplifies an input signal; and an emitter-grounded feedback circuit in which a collector of the first transistor is connected to an output line of the amplifier circuit and a base is wiring-connected only to the output line by using a resistor.. .
05/15/14
20140132347
Linearized high-ohmic resistor
Representative implementations of devices and techniques provide a linearized high-ohmic resistor. In an example, a quantity of serially connected nonlinear impedances is arranged as a resistance.
05/15/14
20140132342
Amplifier circuit and feedback circuit
An amplifier circuit whose frequency response has almost no soft knee characteristic or no peak when inverting input capacitance csin varies and when feedback capacitance cf is a fixed value of small capacitance, and a feedback circuit is provided. The amplifier circuit includes a plurality of amplifiers each of which negative feedback is provided to and which are connected in series, and a feedback means (feedback circuit) which is connected to an output side of an amplifier near output of the amplifier circuit and an input side of an amplifier near input of the amplifier circuit.
05/15/14
20140132284
Integrated low-noise sensing circuit with efficient bias stabilization
An integrated low-noise sensing circuit with efficient bias stabilization in accordance with the present invention comprises a first capacitance sensing element, a second capacitance sensing element, a sub-threshold transistor and an amplifier circuit wherein the first stage is an input transistor. The second capacitance sensing element is connected to the first capacitance sensing element.
05/08/14
20140126755
Multimodal headset
The multimodal headset may include: a first earpiece including a first earphone speaker and external speaker; a second earpiece including a second earphone speaker and external speaker; a controller for operating the multimodal headset in at least three modes, the controller may include: a power switch; a speaker switch; an earphone amplifier circuit; a speaker amplifier circuit; and a power source, wherein the power source is positioned within the first or second earpiece; wherein the input signal is routed to the earphone speakers, bypassing the earphone amplifier circuit, when the power switch is in an off position, wherein the input signal is routed through the earphone amplifier circuit to the earphone speakers when the power switch is in an on position and the speaker switch is in an internal earpiece position, and wherein the input signal is routed through the speaker amplifier circuit to the external speakers when the power switch is in the on position and the speaker switch is in an external speaker position.. .
05/08/14
20140126315
Circuit and method for improving sense amplifier reaction time in memory read operations
A sense amplifier circuit, a method of modifying a differential voltage in a sense amplifier circuit and a memory system incorporating the sense amplifier circuit or the method. In one embodiment, the sense amplifier circuit includes: (1) a differential amplifier having first and second inputs respectively couplable to first and second complimentary bit lines and configured to receive a differential voltage therefrom representing a current logic value to be read and (2) a sense speed alteration circuit having first and second outputs respectively coupled to the first and second inputs via respective first and second capacitors and configured to cause one of the first and second capacitors to discharge to increase the differential voltage when a previously read logic value is opposite the current logic value to be read..
05/08/14
20140125415
Power amplifier device and power amplifier circuit thereof
The present invention relates to a power amplifier apparatus and power amplifier circuit, and the power amplifier circuit uses the doherty circuit structure, and uses a high voltage heterojunction bipolor transistor (hvhbt) power amplifier to achieve a carrier amplifier of the doherty circuit structure, and uses lateral double-diffused metal oxide semiconductor (ldmos) to achieve a peak amplifier. The power amplifier apparatus and power amplifier circuit in the present invention improves the efficiency of the power amplifier..
05/08/14
20140125414
Operational amplifier circuit
An operational amplifier circuit includes an output stage circuit. The output stage circuit includes a first and a second output transistors, a capacitor unit, and a switch unit.
05/01/14
20140119063
Power converting device and synchronous rectifier control circuit
A power converting device includes a main switch, a synchronous rectifier switch, a rectifier-filter circuit which outputs an output voltage, and a synchronous rectifier control circuit which includes a sampling circuit coupled to the rectifier-filter circuit for outputting a voltage variation signal, a differential amplifier circuit that outputs an amplified signal by adding the output voltage and an offset voltage to the voltage variation signal attenuated thereby, and a comparison circuit that compares the amplified signal with the output voltage so as to output a trigger signal, such that the synchronous rectifier switch is turned on when the main switch is turned off, and is turned off prior to conduction of the main switch.. .
05/01/14
20140118075
Spur cancellation in gsm-gprs-edge power amplifiers with dc-dc converters
A radio frequency (rf) power amplifier circuit with spur cancellation for gsm/gprs/edge transceivers is disclosed. There is a power amplifier with an rf input, an rf output, and a voltage supply input.
05/01/14
20140118074
Power amplifier controller
The present disclosure provides a power amplifier controller for starting up, operating, and shutting down a power amplifier. The power amplifier controller includes current sense amplifier circuitry adapted to monitor a main current of the power amplifier.
05/01/14
20140118070
Doherty amplifier circuit with phase-controlled load modulation
A symmetric doherty amplifier includes a main amplifier and a peaking amplifier of the same size as the main amplifier. The symmetric doherty amplifier is configured to operate at peak output power when the main amplifier and the peaking amplifier are each in saturation, and at output-back-off (obo) when the main amplifier is in saturation and the peaking amplifier is not in saturation.
04/24/14
20140113578
Amplifiers with noise splitting
Amplifiers with noise splitting to improve noise figure are disclosed. In an exemplary design, an apparatus (e.g., a wireless device, an integrated circuit, etc.) includes a plurality of amplifier circuits and at least one interconnection circuit.
04/17/14
20140104921
Semiconductor memory device having otp cell array
Provided is a semiconductor memory device. The semiconductor includes a one time programmable (otp) cell array, a converging circuit and a sense amplifier circuit.
04/17/14
20140104004
Amplifier circuits
Radio frequency (rf) amplifier circuits are disclosed which may exhibit improved video/instantaneous bandwidth performance compared to conventional circuits. For example, disclosed rf amplifier circuits may employ a baseband decoupling network connected in parallel with a low-pass rf matching network of the amplifier circuit..
04/17/14
20140104003
Operational amplifier circuit and method implementing the same
The disclosure provides an operational amplifier circuit, in which a power supply of an amplifying circuit is coupled to a first voltage clamping circuit, and the first voltage clamping circuit clamps a supply voltage of the amplifying circuit when the supply voltage exceeds a normal-operation allowable voltage of the amplifying circuit. The disclosure also provides a method for implementing the operational amplifier circuit.
04/17/14
20140104001
Amplifier circuit
An amplifier circuit includes a differential amplifier circuit configured to amplify a voltage between a signal input to a first input terminal and a signal input to a second input terminal, a plurality of output circuits each configured to output a signal corresponding to a signal output from the differential amplifier circuit, and a control circuit configured to set a selected one of the plurality of output circuits in an operating state to drive an output terminal of the selected output circuit, and set a remaining output circuit in a non-operating state and set an output terminal of the remaining output circuit in a high impedance state.. .
04/17/14
20140103994
Detection device provided with a transimpedance circuit
The invention concerns a detection device including a photodiode (ph) designed to capture a luminous signal to transform it into a current (lph) and including first and second terminals, a transimpedance amplifier circuit connected between the first terminal and the second terminal of the photodiode (ph) and designed to amplify the current (lph) coming from the photodiode (ph). The transimpedance amplifier circuit includes a plurality of operational amplifiers (aop1, aop2, aop3) connected in parallel and a gain resistor (rgain) common to all the connected amplifiers..
04/17/14
20140103193
Binary image sensors and unit pixels thereof
A binary image sensor includes a plurality of unit pixels on a substrate having a surface on which light is incident. At least one quantum dot is disposed on the surface of a substrate.
04/10/14
20140098150
Fluid ejection device and fluid ejection printer with a power amplifier stopping section
A fluid ejection device includes: a modulator adapted to pulse-modulate a drive waveform signal forming a basis of a drive signal of an actuator to obtain a modulated signal; a digital power amplifier circuit adapted to power-amplify the modulated signal to obtain a power-amplified modulated signal; a low pass filter adapted to smooth the power-amplified modulated signal to obtain the drive signal; and a power amplification stopping section operating when holding a voltage of the actuator constant.. .
04/10/14
20140097842
Electron spin resonance for medical imaging
A method includes generating, from an integrated oscillator circuit, an oscillating output signal and generating, by an integrated power amplifier (pa) circuit, an amplified oscillating output signal based on the oscillating output signal. The method further includes receiving, by integrated receiver amplifier circuit, an electron spin resonance (esr) signal from biological samples that include a magnetic species and generating, by the integrated receiver amplifier circuit, an amplified esr signal based on the received esr signal.
04/03/14
20140094674
Implantable wireless neural device
Systems and methods for providing an electrical interface to a body are provided. In one embodiment, an implantable module is disclosed, comprising: an implantable electrode array, implantable within a body and capable of providing a plurality of communication channels for communicating electrical signals detected in a body; an amplifier circuit for processing electrical signals received from the electrode array; a wireless transceiver for sending and receiving telemetry data between the amplifier circuit and a wireless receiver located outside of the body; and a sealed enclosure that houses the amplifier circuit and the wireless transmitter and is biocompatible with surrounding tissue, the enclosure having a window that is transparent to a wireless medium used by the wireless transceiver.
04/03/14
20140094129
Multi-mode power amplifier
A multi-mode power amplifier includes a high-power mode amplifier circuit, a mid-power mode amplifier circuit, and a low power amplifier circuit, where the low-power mode amplifier circuit comprises a plurality of independently selectable power cell/amplifier branches. The multi-mode power amplifiers selectively enable or disable amplifier branches to provide multiple levels of amplification.
04/03/14
20140092671
Cross-point variable resistance nonvolatile memory device
A cross-point memory device including memory cells each includes: a variable resistance element that reversibly changes at least between a low resistance state and a high resistance state; and a current steering element that has nonlinear current-voltage characteristics, and the cross-point memory device comprises a read circuit which includes: a reference voltage generation circuit which comprises at least the current steering element; a differential amplifier circuit which performs current amplification on an output voltage in the reference voltage generation circuit; a feedback controlled bit line voltage clamp circuit which sets the low voltage side reference voltage to increase with an output of the differential amplifier circuit; and a sense amplifier circuit which determines a resistance state of a selected memory cell according to an amount of current flowing through the selected memory cell.. .


Popular terms: [SEARCH]

Amplifier Circuit topics: Amplifier Circuit, Semiconductor, Differential Amplifier Circuit, Differential Amplifier, Memory Cells, Semiconductor Device, Memory Cell, Semiconductor Substrate, Photodiode, Signal Processing, Memory Effect, Electronic Device, Electrical Signal, Storage Device, Communications

Follow us on Twitter
twitter icon@FreshPatents

###

This listing is a sample listing of patent applications related to Amplifier Circuit for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Amplifier Circuit with additional patents listed. Browse our RSS directory or Search for other possible listings.
     SHARE
  
         


FreshNews promo



0.4503

3905

449496 - 0 - 72