| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 04/28/2009 | US7525384 Transmission line amplifier |
| 04/28/2009 | US7525383 Differential amplifier |
| 04/28/2009 | US7525382 Multi-level slew and swing control buffer |
| 04/28/2009 | US7525381 Amplifier structures that enhance transient currents and signal swing |
| 04/28/2009 | US7525380 Method and system for varying gain exponentially with respect to a control signal |
| 04/28/2009 | US7525379 Low voltage CMOS differential amplifier |
| 04/28/2009 | US7525346 Driver circuits and methods |
| 04/28/2009 | US7525078 Photodetector array with background current compensation means |
| 04/23/2009 | WO2009052283A2 Adaptively tuned rf power amplifier |
| 04/23/2009 | WO2008147932A9 Reconfigurable tunable rf power amplifier |
| 04/23/2009 | WO2007030164A3 Linear commutating amplifier |
| 04/23/2009 | WO2006124087A3 Circuits and methods for implementing power amplifiers for millimeter wave applications |
| 04/23/2009 | WO2006116743A3 Radio frequency power amplifier and method using an amplitude control system |
| 04/23/2009 | US20090103673 Signal power combiner with dynamic phase compensation |
| 04/23/2009 | US20090103381 Asynchronous sense amplifier for read only memory |
| 04/23/2009 | US20090102592 Multi-Primary Distributed Active Transformer Amplifier Power Supply and Control |
| 04/23/2009 | US20090102571 Cascode amplifier and differential cascode voltage-controlled oscillator using the same |
| 04/23/2009 | US20090102562 Cross-coupled low noise amplifier for cellular applications |
| 04/23/2009 | US20090102561 Amplifier having an output protection, in particular operational amplifier for audio application |
| 04/23/2009 | US20090102560 Slew-enhanced input stages and amplifiers |
| 04/23/2009 | US20090102559 Monotonic variable gain amplifier and an automatic gain control circuit |
| 04/23/2009 | US20090102558 Operational amplifier |
| 04/23/2009 | US20090102557 Class D amplifier |
| 04/23/2009 | US20090102556 Class d amplifier |
| 04/23/2009 | US20090102554 Output Networks In Combination With LINC Technique |
| 04/23/2009 | US20090102553 Doherty amplifier |
| 04/23/2009 | US20090102552 Semiconductor integrated circuit with variable gain amplifier |
| 04/23/2009 | US20090102551 Operational amplifier with improved current monitoring and scalable output |
| 04/23/2009 | US20090102550 Audio signal amplifier circuit with a mute function |
| 04/23/2009 | US20090102549 Digital pulse width modulated feedback system for a switching amplifier and method therefor |
| 04/23/2009 | US20090102515 Sense-amplifying circuit having two amplification stages |
| 04/23/2009 | US20090101798 Circuit Providing Low-Noise Readout |
| 04/23/2009 | DE19882089B4 Verstärker zur kontinuierlichen schmalbandigen Signalverstärkung mit hohem Verstärkungsfaktor und Verstärkungsverfahren Continuous narrow-band amplifier for signal amplification with a high gain and amplification method |
| 04/23/2009 | DE102008046566A1 Integrierter Schaltkreis, Differenzverstärker und CMOS-Verstärker An integrated circuit differential amplifier and CMOS amplifier |
| 04/23/2009 | DE102008038573A1 Schaltungsanordnung, Integrationsschaltung und Verfahren zum Integrieren eines Spannungssignals A circuit arrangement, the integration circuit and method for integrating a voltage signal |
| 04/23/2009 | DE102005021450B4 Integrierter Schaltkreis und Verfahren zur Herstellung eines integrierten Schaltkreises und dessen Verwendung Integrated circuit and method for producing an integrated circuit and the use thereof |
| 04/22/2009 | EP2051390A2 A radio transmission apparatus |
| 04/22/2009 | EP2051389A1 Transmitter |
| 04/22/2009 | EP2051373A1 Matrix balun |
| 04/22/2009 | EP2051372A2 System and method for resistance temperature compensation |
| 04/22/2009 | EP2051371A1 Systems, methods and devices for dual closed loop modulation controller for non-linear RF amplifier |
| 04/22/2009 | EP2051370A2 RF power amplifier apparatus and power supply circuit for controlling power-supply voltage to RF power amplifier |
| 04/22/2009 | CN201226507Y Power amplification circuit for power line carrier communication |
| 04/22/2009 | CN201226506Y Audio power amplification circuit |
| 04/22/2009 | CN201226017Y Apparatus for verifying audio power amplification |
| 04/22/2009 | CN101416460A Frequency limiting amplifier in a fsk receiver |
| 04/22/2009 | CN101416397A Digital signal converter |
| 04/22/2009 | CN101416386A Highly linear variable gain amplifier |
| 04/22/2009 | CN101416385A Low power consumption adaptive power amplifier related application |
| 04/22/2009 | CN101416384A Active splitter apparatus and method using duplexing frontend |
| 04/22/2009 | CN101416382A Method and equipment for reducing frequency memory effect of RF power amplifier |
| 04/22/2009 | CN101414807A Signal amplification circuit |
| 04/22/2009 | CN101414806A RF power amplifier apparatus and power supply circuit for controlling power-supply voltage to RF power amplifier |
| 04/22/2009 | CN101414805A Semiconductor integrated circuit with variable gain amplifier |
| 04/22/2009 | CN100481732C Method and device for performing full bridge integral noise shaping for quantization of pulse width modulation signals |
| 04/22/2009 | CN100481720C An amplifier for analog-digital converter |
| 04/22/2009 | CN100481719C Differential amplifier circuit and mixer circuit having improved linearity |
| 04/22/2009 | CN100481718C AB rail-to-rail operational amplifier |
| 04/22/2009 | CN100481717C High linearity programmable gain amplifier using switch |
| 04/22/2009 | CN100481716C Bias circuit and control circuit thereof |
| 04/22/2009 | CN100480942C Current drive circuit reducing VDS dependency |
| 04/21/2009 | US7522004 High-frequency electronic switch, and burst wave generating device using the same and short range radar using the same |
| 04/21/2009 | US7522003 Constant margin CMOS biasing circuit |
| 04/21/2009 | US7522002 Biasing current to speed up current mirror settling time |
| 04/21/2009 | US7522000 Design structure for a serial link output stage differential amplifier |
| 04/21/2009 | US7521999 Differential amplifier and sampling and holding circuit |
| 04/21/2009 | US7521998 Operational amplifier and scanning electron microscope using the same |
| 04/21/2009 | US7521997 Low-power variable gain amplifier |
| 04/21/2009 | US7521996 Differential amplifier and radio system with a differential amplifier |
| 04/21/2009 | US7521995 Inverted doherty amplifier with increased off-state impedence |
| 04/21/2009 | US7521994 Three-stage amplifier |
| 04/21/2009 | US7521662 Portable handheld artificial light detector |
| 04/16/2009 | WO2009047705A1 Transmitter |
| 04/16/2009 | WO2009047704A1 Transmitter |
| 04/16/2009 | WO2009047393A1 Apparatus and method for measuring the level of rf signals, and a transmitter including a wide band measurement circuit |
| 04/16/2009 | WO2009014740A3 Reduced distortion radio frequency amplifiers |
| 04/16/2009 | WO2009009420A3 Low glitch offset correction circuit for auto-zero sensor amplifiers and method |
| 04/16/2009 | WO2007044126A3 System and method of transmitter power detection |
| 04/16/2009 | WO2007025262A3 Circuit for creating tracking transconductors of different types |
| 04/16/2009 | US20090097589 Lower complexity layered modulation signal processor |
| 04/16/2009 | US20090096532 Differential amplifier with single ended output |
| 04/16/2009 | US20090096531 Rf power amplifier apparatus and power supply circuit for controlling-power supply voltage to rf power amplifier |
| 04/16/2009 | US20090096530 Solid state rf power amplifier |
| 04/16/2009 | US20090096529 High-frequency power amplifier |
| 04/16/2009 | US20090096527 Automatic gain control circuit and low noise amplifying circuit |
| 04/16/2009 | US20090096526 Cascoded circuit |
| 04/16/2009 | US20090096525 Power amplifier |
| 04/16/2009 | US20090096524 Differential amplification circuit and manufacturing method thereof |
| 04/16/2009 | US20090096523 Differential amplification circuit |
| 04/16/2009 | DE202008016015U1 Combo-Verstärker Combo Amplifier |
| 04/16/2009 | DE102008037405A1 Differenzverstärkerschaltung und ihr Herstellungsverfahren Differential amplifier circuit and its manufacturing method |
| 04/16/2009 | DE102006001117B9 Apparat für Strom-Erfass-Verstärker-Kalibrierung in MRAM-Einrichtungen Apparatus for current-sense amplifier calibration in MRAM devices |
| 04/15/2009 | EP2047594A1 Passive amplification of signals |
| 04/15/2009 | EP2047593A1 Stacked buffers |
| 04/15/2009 | EP1595330B1 Dual band power amplifier with improved isolation |
| 04/15/2009 | EP1374398B1 Circuit and method for input side impedance matching of a power amplifier in an electronic device |
| 04/15/2009 | EP1293038B1 Pwm limiter |
| 04/15/2009 | CN201222746Y 网络功率放大器 Network Power Amplifier |
| 04/15/2009 | CN101411059A Converter with parallel coupled differential input pairs |
| 04/15/2009 | CN101411056A Amplifier and method of amplifying an input signal |