Patents
Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008)
11/2014
11/06/2014US20140327484 Systems and methods of rf power transmission, modulation, and amplification, including control functions to transition an output of a miso device
11/06/2014US20140327483 Complementary metal oxide semiconductor power amplifier
11/06/2014US20140327482 Radio frequency power amplifier with no reference voltage for biasing and electronic system
11/06/2014US20140327481 Digital hybrid mode power amplifier system
11/04/2014US8880014 CMOS RF switch device and method for biasing the same
11/04/2014US8880011 Power amplifiers with improved power control
11/04/2014US8879927 Optical receiver based on a decision feedback equalizer
11/04/2014US8879754 Sound reproducing system with superimposed digital signal
11/04/2014US8879666 Electronic system, RF power amplifier and temperature compensation method thereof
11/04/2014US8879665 Controlling a power amplifier based on transmitter output emissions
11/04/2014US8879284 Filter for switched mode power supply
11/04/2014US8878622 System and method for generating a pulse-width modulated signal
11/04/2014US8878619 Variable phase amplifier circuit and method of use
11/04/2014US8878612 Accurate bias tracking for process variation and supply modulation
11/04/2014US8878611 High-frequency amplifier
11/04/2014US8878609 Differential amplifier circuit
11/04/2014US8878608 Comparator and amplifier
11/04/2014US8878604 Switching circuit and envelope signal amplifier
10/2014
10/30/2014US20140320214 Doherty power amplification apparatus and method
10/30/2014US20140320213 Radio frequency power amplifier circuit and method
10/30/2014US20140320212 Radio frequency power amplifiers
10/30/2014US20140320211 Distributed amplifier with improved stabilization
10/30/2014US20140320208 Adaptive operational amplifier bias current
10/30/2014US20140320206 Method and system for a pseudo-differential low-noise amplifier at ku-band
10/30/2014US20140320205 Autotransformer-based impedance matching circuits and methods for radio-frequency applications
10/28/2014US8874188 Arrangement and method for influencing and/or detecting magnetic particles
10/28/2014US8874053 Low variation current multiplier
10/28/2014US8872599 Power synthesis circuit for radio frequency power amplifier
10/28/2014US8872592 High-speed transimpedance amplifier
10/28/2014US8872590 Low-noise signal amplifying circuit and method thereof
10/28/2014US8872588 Amplifier
10/28/2014US8872587 Generating negative impedance compensation
10/28/2014US8872586 Folded-cascode amplifier
10/28/2014US8872585 Amplifier for receiving optical signals complementary to each other
10/28/2014US8872582 Amplifier circuit
10/28/2014US8872581 Class-D power amplifier capable of reducing electromagnetic interference and triangular wave generator thereof
10/28/2014US8872088 Noise-matching dynamic bias for column ramp comparators in a CMOS image sensor
10/23/2014US20140315504 Power supply circuit, power supply system, and radio communication apparatus
10/23/2014US20140314173 Pvt tolerant differential circuit
10/23/2014US20140314171 Mismatched differential circuit
10/23/2014US20140312988 Ka-band high power amplifier structure having minimum processing and assembling errors
10/23/2014US20140312979 Amplifying circuit including active inductor
10/23/2014US20140312978 High-frequency module
10/23/2014US20140312977 Apparatus and methods for reducing capacitive loading of an envelope tracker
10/23/2014US20140312976 Amplfiers and related integrated circuits
10/23/2014US20140312974 Apparatus and methods for envelope shaping in power amplifier systems
10/23/2014US20140312973 Low noise amplifier
10/23/2014US20140312972 High-frequency amplifier circuit, semiconductor device, and magnetic recording and reproducing device
10/23/2014US20140312971 Differential amplifier circuit
10/23/2014US20140312970 Power supply circuit
10/23/2014US20140312969 Power control
10/23/2014US20140312968 Differential output inductor for class d amplifier
10/23/2014US20140312967 Chopper amplifier
10/21/2014US8868022 Broadband transconductance amplifier
10/21/2014US8868017 Rectifier, received signal strength indicator, and receiver
10/21/2014US8867929 Optical receiver using single ended voltage offset measurement
10/21/2014US8867668 Coupling system for data receivers
10/21/2014US8867509 Integrated bluetooth and wireless LAN transmitters having simultaneous bluetooth and wireless LAN transmissions
10/21/2014US8866555 Power amplifier with variable output impedance
10/21/2014US8866554 Translinear slew boost circuit for operational amplifier
10/21/2014US8866553 Output stage with fast feedback for driving ADC
10/21/2014US8866552 Current-mode line driver
10/21/2014US8866551 Impedance compensation for operational amplifiers used in variable environments
10/21/2014US8866550 Amplifier circuit with overshoot suppression
10/21/2014US8866549 Method of power amplifier calibration
10/21/2014US8866548 High speed power supply system
10/21/2014US8866545 Linearity power amplification device
10/21/2014US8866544 Class D pulse width modulator with dual feedback
10/21/2014US8866531 Broadband analog radio-frequency integrator
10/21/2014US8866514 Transmit driver circuit
10/16/2014US20140307825 Digital polar modulator for a switch mode rf power amplifier
10/16/2014US20140306769 Dual instantaneous envelope tracking
10/16/2014US20140306768 Operational amplifier circuit
10/16/2014US20140306765 Doherty power amplifier, and method and device for improving power amplification efficiency of doherty power amplifier
10/16/2014US20140306763 Integrated circuit wireless communication unit and method for providing a power supply
10/16/2014US20140306762 System and method for digital memorized predistortion for wireless communication
10/16/2014US20140306759 Semiconductor device
10/16/2014US20140306758 Versatile Audio Power Amplifier
10/16/2014US20140306756 Power supply arrangement for multi-stage amplifier
10/16/2014US20140306755 Low inductance transformer
10/16/2014US20140306754 Feedback Control And Coherency Of Multiple Power Supplies In Radio Frequency Power Delivery Systems For Pulsed Mode Schemes In Thin Film Processing
10/16/2014US20140306737 Low-power voltage mode high speed driver
10/14/2014US8862088 Adjustable circuit architecture
10/14/2014US8861748 Amplifier and amplifier control method
10/14/2014US8861619 System and method for high-frequency amplifier
10/14/2014US8861149 ESD protection devices and methods for forming ESD protection devices
10/14/2014US8860529 Impedance transforming coupler
10/14/2014US8860524 Polar modulator
10/14/2014US8860523 Pulse width modulation circuit and voltage-feedback class-D amplifier circuit
10/14/2014US8860510 Bias control for push-pull amplifier arrangement
10/14/2014US8860509 Clipping circuit, differential amplifying circuit, and amplifying circuit
10/14/2014US8860507 Amplifier with gain circuit coupeld to primary coil of transformer
10/14/2014US8860505 Lock-in amplifier with phase-synchronous processing
10/14/2014US8860093 Semiconductor device and radio communication device
10/14/2014US8859946 Light detecting device including a peaking circuit
10/09/2014WO2014165480A1 Amplifiers with boosted or deboosted source degeneration inductance
10/09/2014WO2014164170A1 Amplifiers with inductive degeneration and configurable gain and input matching
10/09/2014WO2014161778A1 Quadrature power amplifier having increased efficiency
10/09/2014US20140304828 System and Method for Securing Information Distribution via eMail
10/09/2014US20140301577 Class-d power amplifier
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