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)
07/2012
07/04/2012CN102545791A Push-pull low noise amplifier and amplifier
07/04/2012CN102545790A Method and apparatus for canceling balun amplifier noise
07/04/2012CN102544667A Input apparatus on chip for differential signals and balun thereof
07/04/2012CN102543385A Bond wire transformer
07/04/2012CN101951227B Amplifier circuit
07/04/2012CN101924524B Differential complementary metal-oxide-semiconductor (CMOS) multi-mode low-noise amplifier with on-chip active Balun
07/04/2012CN101895264B High-speed low-power consumption large-swing operational amplifier for analog-digital converter of production line
07/04/2012CN101764579B Gain-adjustable audio power amplifier circuit
07/04/2012CN101677230B Three-stage frequency-compensated operational amplifier
07/04/2012CN101651412B Method of converting single power to dual power, voltage follower, virtual ground and pseudo ground generator, and DC regulated power
07/04/2012CN101594326B Pre-distorted radio frequency amplifier
07/04/2012CN101529717B Voltage-boosting stage
07/04/2012CN101507110B Switch-less bidirectional amplifier
07/04/2012CN101411059B Converter with parallel coupled differential input pairs
07/04/2012CN101404483B Differential amplifier
07/04/2012CN101331680B Enhanced low noise amplifier
07/04/2012CN101320961B Power amplification circuit
07/04/2012CN101277112B Low-power consumption assembly line a/d converter by sharing operation amplifier
07/04/2012CN101213755B Transmission circuit and communication device
07/03/2012US8212620 Boosted-rail amplifier
07/03/2012US8212619 Split-biased current scalable buffer
07/03/2012US8212617 Fast class AB output stage
07/03/2012US8212616 Biasing circuit for differential amplifier
07/03/2012US8212615 Variable-gain amplifier circuit and wireless communication device integrated circuit equipped therewith
07/03/2012US8212614 Class AB output stages and amplifiers including class AB output stages
07/03/2012US8212613 Switching amplifier using flyback transformer
07/03/2012US8212612 Closed-loop class-D amplifier with modulated reference signal and related method
07/03/2012US8212606 Apparatus and method for offset drift trimming
07/03/2012US8212605 Temperature compensation circuit
07/03/2012US8212200 Linear distributed pixel differential amplifier having mirrored inputs
07/03/2012CA2502467C Read-out circuit for infrared detectors
06/2012
06/28/2012WO2012088523A1 Techniques to improve the stress issue in cascode power amplifier design
06/28/2012WO2012088517A1 Cmos push-pull power amplifier with even-harmonic cancellation
06/28/2012WO2012088300A2 Power amplifier control circuit
06/28/2012WO2012087924A2 Switched-capacitance gain amplifier with improved input impedance
06/28/2012WO2012086830A1 Amplifier device and method of controlling same
06/28/2012WO2012086379A1 Amplifier circuit and wireless communication device
06/28/2012WO2012085677A1 Complementary darlington emitter follower with improved switching speed and improved cross-over control and increased output voltage
06/28/2012WO2012085666A1 Monolithic darlington with intermediate base contact
06/28/2012WO2012085540A2 Magnetic bearing drive circuit
06/28/2012WO2012036496A9 Charge sensing amplifier circuit for compensating for dc leakage current, and x-ray readout integrated circuit and x-ray sensor using same
06/28/2012WO2012021461A3 System and method for biasing a power amplifier
06/28/2012US20120161994 Switched-capacitance gain amplifier with improved input impedance
06/28/2012US20120161879 Techniques to improve the stress issue in cascode power amplifier design
06/28/2012US20120161878 Power amplifier control circuit
06/28/2012US20120161877 Pa bias power supply efficiency optimization
06/28/2012US20120161876 Accurate bias tracking for process variation and supply modulation
06/28/2012US20120161875 Amplification Circuit
06/28/2012US20120161874 Operational Amplifier
06/28/2012US20120161873 Differential pair with constant offset
06/28/2012US20120161872 Comparator and analog-to-digital
06/28/2012US20120161871 CMOS Push-Pull Power Amplifier With Even-Harmonic Cancellation
06/28/2012US20120161870 Figure 8 balun
06/28/2012US20120161869 Differential Amplifier
06/28/2012US20120161868 Semiconductor device
06/28/2012US20120161867 Metamaterial power amplifier systems
06/28/2012US20120161865 Amplifying device and amplifying method
06/28/2012US20120161864 Amplifier structure and amplification method thereof
06/28/2012US20120161844 Flexible low noise, high linearity, high frequency, low power, fully differential mixer and class ab post-mixer amplifier system for sdr applications
06/28/2012DE102010061060A1 Leistungsverstärker für Hochfrequenzanwendungen im Schaltermodus Power amplifier for high frequency applications in switch mode
06/28/2012DE102009033414B4 Integrierter Schaltkreis mit einpoligem Eingang und differenziellem Ausgang, Verfahren und elektronische Vorrichtung Integrated circuit with single-pole input and differential output, procedures and electronic device
06/27/2012EP2469706A2 Low noise CMOS transmitter circuit with high range of gain
06/27/2012EP2469705A1 Generation of a supply voltage from output of a class-D audio amplifier
06/27/2012EP2467943A1 Radio frequency power amplifier with linearizing predistorter
06/27/2012EP2467938A2 Digital tunable inter-stage matching circuit
06/27/2012EP2467937A1 Protection circuit for power amplifier
06/27/2012EP2467936A1 Circuit with reference source to control the small signal transconductance of an amplifier transistor
06/27/2012EP2467935A1 Stacked amplifier with diode-based biasing
06/27/2012EP2058944B1 Transconductance amplifier
06/27/2012CN102523008A Radio frequency signal processing circuit and quadrature power amplifier
06/27/2012CN102522959A Peripheral component interconnect extensions for instrument (PXI)-bus-based charge amplification device
06/27/2012CN102522958A Photovoltaic millimeter wave power synthesis circuit
06/27/2012CN102522957A Method for improving predistortion performance of radio-frequency power amplifier
06/27/2012CN102522417A Image sensor and source follower
06/27/2012CN101854149B Preamplifier design method and on-chip preamplifier design method
06/27/2012CN101771387B Log amplifier based on CMOS accurate voltage amplifier
06/27/2012CN101542898B Feedback controller having multiple feedback paths
06/27/2012CN101521489B Amplifier and class AB amplifier
06/27/2012CN101385238B D type amplifier and method thereof
06/27/2012CN101242160B Two-stage operational amplifier with class ab output stage
06/26/2012US8208863 Radio frequency unit analog level detector and feedback control system
06/26/2012US8207791 Amplifier circuit with a first and a second output line
06/26/2012US8207790 High frequency power amplifier
06/26/2012US8207789 Differential amplifier circuit
06/26/2012US8207788 Calibrated feedback
06/21/2012WO2012083256A2 Apparatus and methods for oscillation suppression
06/21/2012WO2012082787A1 Apparatus and methods for capacitive load reduction
06/21/2012WO2012082632A1 Apparatus and methods for biasing a power amplifier
06/21/2012WO2012082189A1 Current mirror and high-compliance single-stage amplifier
06/21/2012WO2012081588A1 Power supply circuit
06/21/2012WO2012080126A1 Low noise amplifier
06/21/2012WO2012080059A1 Amplifier circuit for a two-wire interface
06/21/2012WO2012079483A1 Pwm comparator and class d amplifier
06/21/2012WO2011143504A8 Area efficient concurrent matching transceiver
06/21/2012US20120154188 Sense-amplifier monotizer
06/21/2012US20120154056 Method and apparatus for canceling balun amplifier noise
06/21/2012US20120154055 Power amplifier
06/21/2012US20120154054 Apparatus and methods for oscillation suppression
06/21/2012US20120154052 Power amplifying apparatus
06/21/2012US20120154051 Voltage regulator circuit
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