Patents
Sitemap › H03 - Basic electronic circuitry › H03F - Amplifiers › H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008)
12/2010
12/01/2010CN101364136B Ultra low dropout voltage regulator
12/01/2010CN101154924B Photoreceiver/amplifier circuit, optical pickup device, and optical disk device
12/01/2010CN101136616B Sigma-Delta type power amplifier and modulation method thereof
12/01/2010CN101064497B Complementary metal oxide semiconductor cascade high-gain current-to-voltage converter
11/2010
11/30/2010US7843513 Automatic adaptation of a video source to a receiver
11/30/2010US7843273 Millimeter wave monolithic integrated circuits and methods of forming such integrated circuits
11/30/2010US7843272 Low noise amplifier
11/30/2010US7843271 Audio amplifier and methods for use therewith
11/30/2010US7843270 Low noise amplifier circuit with noise cancellation and increased gain
11/30/2010US7843269 Cascode-cascade power amplifier assembly
11/30/2010US7843268 Modified distributed amplifier to improve low frequency efficiency and noise figure
11/30/2010US7843265 Methods and apparatus to reduce idle current in power amplifiers
11/30/2010US7843264 Differential amplifier with accurate input offset voltage
11/30/2010US7843263 Power amplifier with noise shaping function
11/30/2010US7843260 Method and apparatus for high performance class D audio amplifiers
11/30/2010US7843205 Process monitor for monitoring an integrated circuit chip
11/30/2010US7843038 High linearity digital variable gain amplifier
11/30/2010CA2338539C Hardware-efficient transceiver with delta-sigma digital-to-analog converter
11/25/2010WO2010135710A1 Buffer with active output impedance matching
11/25/2010WO2010135709A1 Output circuit with integrated impedance matching, power combining and filtering for power amplifiers and other circuits
11/25/2010WO2010134858A1 A harmonic control apparatus
11/25/2010WO2010133969A1 Circuits and methods combining signal power
11/25/2010WO2010115158A3 Variable gain instrumentation amplifier
11/25/2010WO2010108030A3 Common-gate common-source amplifier
11/25/2010WO2010088113A3 Amplification system for interference suppression in wireless communications
11/25/2010US20100295620 High-speed, multi-stage class ab amplifiers
11/25/2010US20100295619 Low Noise Amplifier
11/25/2010US20100295618 Differential amplifier, reference voltage generating circuit, differential amplifying method, and reference voltage generating method
11/25/2010US20100295617 Apparatus and method for driving an led
11/25/2010US20100295616 Audio compensation method and audio apparatus with class ab power amplifier
11/25/2010US20100295615 Cml output driver
11/25/2010US20100295610 Circuit with a power amplifier and amplification method
11/25/2010US20100295609 Method and Apparatus for Providing Dynamic Multi-Stage Amplification in a Medical Device
11/25/2010US20100295589 Multi-stage differential amplification circuit and input buffer for semiconductor device
11/25/2010US20100294918 Photodetection device
11/25/2010US20100294917 Apparatus and Methods for Imaging
11/24/2010EP2253064A1 Multi-mode power amplifiers
11/24/2010EP1500187B1 A differential amplifier
11/24/2010EP0977354B1 Amplifier for radio transmission
11/24/2010CN201656918U Signal processing circuit
11/24/2010CN201655957U Automobile side window glass printing antenna amplifier system
11/24/2010CN101897077A Radial power amplification device with phase dispersion compensation of the amplification paths
11/24/2010CN101896874A Constant voltage circuit
11/24/2010CN101895295A Operational amplifier-shared low-power consumption production line analog-digital converter
11/24/2010CN101895265A Full differential CMOS multimode low-noise amplifier
11/24/2010CN101895264A High-speed low-power consumption large-swing operational amplifier for analog-digital converter of production line
11/24/2010CN101895263A Digital input class-d power amplifier circuit
11/24/2010CN101895262A Millimeter waveband signal power amplification and synthesis method
11/24/2010CN101895261A Low-noise amplifier with adjustable working frequency in UHF (ultra-high-frequency) RFID (Radio Frequency Identification) reader
11/24/2010CN101895257A Low-noise, low-power, low drift offset correction in operational and instrumentation amplifiers
11/24/2010CN101894863A Field-effect transistor
11/23/2010US7840015 Thermal feedback for switch mode amplification
11/23/2010US7839219 Low-noise amplifier circuit including band-stop filter
11/23/2010US7839218 RF power amplifier apparatus and power supply circuit for controlling-power supply voltage to RF power amplifier
11/23/2010US7839217 High-frequency amplifier, high-frequency module, and mobile wireless apparatus using the same
11/23/2010US7839216 RF power amplifiers with linearization
11/23/2010US7839215 Method and apparatus for power converter for class D audio power amplifiers
11/23/2010US7839212 Method and apparatus for a high bandwidth amplifier with wide band peaking
11/23/2010US7839211 Error correction system for a class-D power stage
11/23/2010US7838812 Semiconductor device
11/23/2010US7838809 Nanoelectronic differential amplifiers and related circuits having carbon nanotubes, graphene nanoribbons, or other related materials
11/23/2010US7838808 Laser light detector with reflection rejection algorithm
11/23/2010CA2577791C Broadband microwave amplifier
11/23/2010CA2495855C Signal, interference and noise power measurement
11/18/2010WO2010132705A1 Multi-bit class-d power amplifier system
11/18/2010WO2010132699A1 Switchable input pair operational amplifiers
11/18/2010WO2010132421A1 Digital hybrid amplifier calibration and compensation method
11/18/2010WO2010132340A1 Push-pull low-noise amplifier with area-efficient implementation
11/18/2010WO2010132108A1 Operational trans-conductance amplifier with output clamp circuit
11/18/2010WO2010131232A1 A circuit for a transmitter
11/18/2010WO2010130688A1 Rf amplifier with digital filter for polar transmitter
11/18/2010US20100291890 Receiver
11/18/2010US20100291881 Push-pull low-noise amplifier with area-efficient implementation
11/18/2010US20100290646 Switching amplifier
11/18/2010US20100289911 Image sensor and pixel that has positive transfer gate voltage during integration period
11/18/2010US20100289586 Method for obtaining field strength information
11/18/2010US20100289584 Transimpedance amplifier with distributed control of feedback line
11/18/2010US20100289583 Variable gain rf amplifier
11/18/2010US20100289582 Fully-differential amplifier circuit
11/18/2010US20100289581 Differential amplifying device
11/18/2010US20100289580 Operational trans-conductance amplifier with output clamp circuit
11/18/2010US20100289579 Switchable input pair operational amplifiers
11/18/2010US20100289578 Multi-bit class-d power amplifier system
11/18/2010US20100289577 Cascade Voltage Amplifier and Method of Activating Cascaded Electron Tubes
11/18/2010US20100289576 High efficiency power amplifier power architecture
11/18/2010US20100289571 Apparatus and method for maximizing performance of peaking amplifier in doherty amplifier
11/18/2010US20100289570 Amplifier circuit, electronic device, method for configuring an amplifier circuit
11/17/2010EP2251977A2 Low-noise, low-power, low drift offset correction in operational and instrumentation amplifiers
11/17/2010EP2251976A1 RF amplifier with digital filter for polar transmitter
11/17/2010EP2251975A1 Electronic device with data-rate-dependent power amplifier bias
11/17/2010EP2251974A1 Quad LINC transmitter comprising switchable Chireix amplifiers
11/17/2010EP2250728A1 Differential current output driver with overvoltage protection
11/17/2010CN201639704U Jumper for the improvement of the coaxial cable transmission internet of Ethernet of cable television
11/17/2010CN201639547U Single-OPAMP prime amplifier applying LF256H single operational amplifier
11/17/2010CN201637860U Differential pre-amplification circuit
11/17/2010CN101888263A Electronic device with data-rate-dependent power amplifier bias
11/17/2010CN101888217A Fully-differential amplifier circuit
11/17/2010CN101888216A Radio frequency power amplifier with push-pull structure
11/17/2010CN101888215A Radio-frequency power amplifier circuit with adjustable predistortion function
11/17/2010CN101888214A Cascode power amplifier with improved efficiency and linearity
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