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)
03/2014
03/12/2014CN103636122A Non-foster circuit
03/12/2014CN103636121A Front-end amplifier
03/12/2014CN103636120A Amplifier with improved noise reduction
03/12/2014CN103636119A Power supply device for high-frequency power amplification circuit, and high-frequency power amplification circuit
03/12/2014CN103633956A Charge amplifier
03/12/2014CN103633955A 0-10M wideband amplifier
03/12/2014CN103633954A Two-stage operational amplifier
03/12/2014CN103633953A Data receiving circuit and semiconductor device
03/12/2014CN103633952A Switching mode amplifier operation
03/12/2014CN103633951A Power amplification circuit and ultrasonic thickness measuring device adopting same
03/12/2014CN103633950A Power amplifier control device and power amplifier control method of car-mounted multimedia device
03/12/2014CN103633949A Multimode power amplifier, multimode switching method and mobile terminal of multimode power amplifier
03/12/2014CN103633947A Noninductive and high-gain CMOS (Complementary Metal Oxide Semiconductor) broadband low-noise amplifier
03/12/2014CN103633945A Clock access front end amplifying circuit of source synchronization high-speed serial interface
03/12/2014CN103633944A System and method for operating a power amplifier and a load modulation network
03/12/2014CN102340358B Apparatus applied for detection and transmission of low frequency signal
03/12/2014CN102158187B 信号处理电路 The signal processing circuit
03/12/2014CN102065030B Transmission line driver and driving method
03/12/2014CN102055420B Wave detector circuit and high-frequency circuit
03/12/2014CN101876834B Tracking power supply device and control method thereof
03/12/2014CN101849354B Multi-mode power amplifier with high efficiency under backoff operation
03/12/2014CN101842978B Power amplifier and power amplifier control method
03/12/2014CN101789805B Amplifying device and signal processing method based on same
03/11/2014US8669815 Amplifier, apparatus and method for controlling amplifier in communication system
03/11/2014US8669812 High power amplifier
03/11/2014US8669811 Radio-frequency power amplifier with fast envelope tracking
03/11/2014US8669810 Time difference amplifier and amplification method using slew rate control
03/11/2014US8669809 Differential output inductor for class D amplifier
03/11/2014US8669791 Semiconductor device and electronic apparatus using the same
03/11/2014US8669788 Multi-level output comparator
03/06/2014WO2014036543A1 Method and apparatus for an active negative-capacitor circuit
03/06/2014WO2014036542A1 Method and apparatus for reducing the clock kick-back of adc comparators
03/06/2014WO2014034084A1 Semiconductor device
03/06/2014US20140064523 System and Method for Adjusting the Sensitivity of a Capacitive Signal Source
03/06/2014US20140062604 System and Method for a Power Amplifier
03/06/2014US20140062603 System and method for operating a power amplifier and a load modulation network
03/06/2014US20140062602 Read out integrated circuit
03/06/2014US20140062601 Doherty amplifier having compact output matching and combining networks
03/06/2014US20140062598 Input/output sense amplifier
03/06/2014US20140062597 External programmable dfe strength
03/06/2014US20140062596 Chopped oscillator
03/06/2014US20140062595 Differential output circuit and semiconductor device
03/06/2014US20140062594 Chip card
03/06/2014US20140062593 Class resonant-h electrosurgical generators
03/06/2014US20140062592 Pop-free single-ended output class-d amplifier
03/06/2014US20140062591 Power amplifier with variable output impedance
03/06/2014US20140062589 Quasi-broadband doherty amplifier with associated capacitor circuit
03/06/2014US20140061441 Optical module
03/06/2014DE102013217069A1 System und verfahren für einen leistungsverstärker System and method for a power amplifier
03/06/2014DE102013109363A1 Chipkarte Smart card
03/05/2014EP2704320A1 Power amplifying apparatus for amplifying power and transmitter for transmitting signal by amplifying power
03/05/2014EP2704319A1 Audio device and output method thereof
03/05/2014EP2704318A1 Predistorter and predistorter control method
03/05/2014EP2704316A2 Power amplification device
03/05/2014EP2702688A1 Isolated zero degree reactive radio frequency high power combiner
03/05/2014CN203466783U Dual-band variable-frequency power amplifier
03/05/2014CN203466780U Low-noise amplifier
03/05/2014CN103620955A Rf power amplifiers with improved efficiency and output power
03/05/2014CN103620954A Power transistor gate driver
03/05/2014CN103620953A Pre-distortion architecture for compensating non-linear effects
03/05/2014CN103618511A Reference circuit of error amplifier
03/05/2014CN103618510A Operation amplifier
03/05/2014CN103618509A Frequency compensation differential input amplifying circuit
03/05/2014CN103618508A Error amplifier system
03/05/2014CN103618507A Radio frequency power amplifier system and lighting equipment
03/05/2014CN102340284B Low power voltage transconductance adjustable transconductance-constant rail-to-rail input operational amplifier
03/05/2014CN102236047B Power detector circuit for measuring output power of amplifier circuit, and electronic circuit
03/05/2014CN101924523B Power amplifier integrated circuit with temperature and output power compensation mechanism
03/04/2014US8665028 Amplifier with integrated filter
03/04/2014US8665025 Push-pull amplification systems and methods
03/04/2014US8665024 Control of minimum current in output transistors of an amplifier output stage
03/04/2014US8665023 Class-AB/B amplifier with quiescent control circuit
03/04/2014US8665022 Low noise-linear power distributed amplifier
03/04/2014US8665021 Apparatus and methods for amplifier power supply control
03/04/2014US8665020 Differential amplifier circuit that can change current flowing through a constant-current source according to load variation, and series regulator including the same
03/04/2014US8665019 Power amplifier
03/04/2014US8664932 Voltage generating circuit, device including the same, and method of generating voltage
02/2014
02/27/2014WO2014030756A1 Semiconductor Device having an amplifying circuit
02/27/2014WO2014029961A1 Inductive power transfer system
02/27/2014WO2014029942A1 Analogue amplification device intended in particular for a laser anemometer
02/27/2014WO2014029807A1 High efficiency power amplifier architecture for off-peak traffic hours
02/27/2014WO2014029412A1 Device for negative group delay
02/27/2014WO2014029240A1 Multimode power amplifier, multimode switching method and mobile terminal thereof
02/27/2014WO2014008189A3 Common mode bias circuit
02/27/2014US20140056443 Audio Amplifier for Portable Devices
02/27/2014US20140056118 Light detecting element, and optical pick-up device and optical disc drive including the light detecting element
02/27/2014US20140055202 Amplifier Bias Control
02/27/2014US20140055201 Techniques for sensing a semiconductor memory device
02/27/2014US20140055200 LOW-VOLTAGE CONSTANT-gm RAIL-TO-RAIL CMOS INPUT STAGE WITH IMPROVED GAIN
02/27/2014US20140055196 Power amplifying apparatus for amplifying power and transmitter for transmitting signal by amplifying power
02/27/2014US20140055195 High Efficiency Power Amplifier Architecture for Off-Peak Traffic Hours
02/26/2014EP2701305A1 Amplifying device
02/26/2014EP2701304A1 Switching mode amplifier operation
02/26/2014EP2701279A1 System and method of enabling a signal processing device in a relatively fast manner to process a low duty cycle signal
02/26/2014EP2700175A1 Amplitude control in a variable load environment
02/26/2014EP2700160A1 Rf power amplifiers with improved efficiency and output power
02/26/2014EP2700159A2 Linear amplifier arrangement for high-frequency signals
02/26/2014CN203457116U CMFB differential amplification circuit and integrated circuit
02/26/2014CN203457115U Mute-starting kind-D amplifier
02/26/2014CN203457114U Signal amplifier of interphone
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