| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 06/15/2006 | US20060125563 Method and apparatus for calibrating analog circuits using statistical techniques |
| 06/15/2006 | US20060125562 Variable gain amplifiers systems and methods |
| 06/15/2006 | US20060125561 High slew ECL device and method therefor |
| 06/15/2006 | US20060125558 Radio frequency power amplifier for lossless power combining |
| 06/15/2006 | US20060125556 Signal amplifier and integrated circuit |
| 06/15/2006 | US20060125555 Digital amplifier |
| 06/15/2006 | US20060125554 Asynchronous BTL design for a class-D audio amplifier |
| 06/15/2006 | US20060125532 A low voltage differential signal driver with high power supply rejection ration |
| 06/15/2006 | US20060124833 Method and apparatus for acquiring physical information, method for manufacturing semiconductor device including array of plurality of unit components for detecting physical quantity distribution, light-receiving device and manufacturing method therefor, and solid-state imaging device and manufacturing method therefor |
| 06/15/2006 | US20060124830 Amplification with feedback capacitance for photodetector signals |
| 06/15/2006 | CA2589911A1 Amplifier system with current-mode servo feedback |
| 06/14/2006 | EP1670137A1 High frequency amplifier |
| 06/14/2006 | EP1670096A2 Antenna module for receiving signal having a broadcasting frequency |
| 06/14/2006 | EP1668775A1 High performance low noise amplifier |
| 06/14/2006 | EP1398886B1 Dynamic bias for rf power amplifiers |
| 06/14/2006 | EP1384286B1 Inverted-f ferroelectric antenna |
| 06/14/2006 | EP1088392B1 Transmitter amplifier circuit |
| 06/14/2006 | EP0908006B1 Bias circuit for a power amplifier |
| 06/14/2006 | CN2788449Y Radio frequency power amplifier biasing circuit |
| 06/14/2006 | CN1787364A Low noise amplifier with low noise and high gain |
| 06/14/2006 | CN1259727C Semiconductor device and apparatus for communication system |
| 06/13/2006 | US7062392 Configurable voltage regulator |
| 06/13/2006 | US7061740 System and method for protecting an audio amplifier output stage power transistor |
| 06/13/2006 | US7061415 Word length reduction circuit |
| 06/13/2006 | US7061329 Semiconductor device having balanced circuit for use in high frequency band |
| 06/13/2006 | US7061328 Integrated direct drive inductor means enabled headphone amplifier |
| 06/13/2006 | US7061327 Single supply headphone driver/charge pump combination |
| 06/13/2006 | US7061326 Transmission circuit capable of efficiently operating a power amplifier |
| 06/13/2006 | US7061325 Digital compensation for offset and gain correction |
| 06/13/2006 | US7061324 Use of analog-valued floating-gate transistors for parallel and serial signal processing |
| 06/13/2006 | US7061323 Apparatus and method for controlling operation of an amplifier device when supply voltage varies |
| 06/13/2006 | US7061322 Low voltage differential amplifier circuit and bias control technique enabling accommodation of an increased range of input levels |
| 06/13/2006 | US7061321 Low impedance read amplifier for magnetoresistive head |
| 06/13/2006 | US7061320 Differential amplifier |
| 06/13/2006 | US7061319 Apparatus and method for a low-voltage supply low-power variable gain amplifier |
| 06/13/2006 | US7061318 System and method for a startup circuit for a differential CMOS amplifier |
| 06/13/2006 | US7061315 Auxiliary amplifier network |
| 06/13/2006 | US7061314 High linearity doherty communication amplifier with phase control |
| 06/13/2006 | US7061312 Systems and methods for providing multi channel pulse width modulated audio with staggered outputs |
| 06/13/2006 | US7061309 Transconductance-adjusting circuit |
| 06/13/2006 | US7061303 Photoelectric leak current compensating circuit and optical signal circuit using same |
| 06/13/2006 | US7061072 Integrated circuit inductors using driven shields |
| 06/13/2006 | US7060960 Solid-state imaging device and method of manufacturing the same |
| 06/13/2006 | CA2425647C System and method of amplifier gain control by variable bias and degeneration |
| 06/08/2006 | WO2006060137A1 Inductorless architecture for a switching amplifier |
| 06/08/2006 | WO2006059956A1 A power multiplier apparatus and method |
| 06/08/2006 | WO2006059930A1 Coupling net and mmic amplifier |
| 06/08/2006 | WO2006039649A3 Unified analog input front end apparatus and method |
| 06/08/2006 | WO2005067443A3 Low noise charge amplification ccd |
| 06/08/2006 | US20060121875 Wireless communication system |
| 06/08/2006 | US20060119436 High linearity digital variable gain amplifier |
| 06/08/2006 | US20060119434 Voltage level detector for power amplifier protection control |
| 06/08/2006 | US20060119433 High frequency amplifier |
| 06/08/2006 | US20060119432 Layout structure of signal driver |
| 06/08/2006 | US20060119431 Differential operational amplifier |
| 06/08/2006 | US20060119430 Adaptive bias scheme for high-voltage compliance in serial links |
| 06/08/2006 | US20060119429 High frequency receiver preamplifier with CMOS rail-to-rail capability |
| 06/08/2006 | US20060119428 Power amplification apparatus using switching structure in a wireless communication system and method for controlling the same |
| 06/08/2006 | US20060119426 Dual band power amplifier module for wireless communication devices |
| 06/08/2006 | US20060119399 Differential circuits |
| 06/08/2006 | DE102005053419A1 Digitaler Audioverstärker, Audiosystem und Audiosignalverstärkungsverfahren Digital audio amplifiers, audio system and audio signal amplification method |
| 06/08/2006 | DE102005050391A1 Ladungsverstärker Charge amplifier |
| 06/08/2006 | DE102005014946A1 Offset-Kompensationsschaltung für eine Überwachungs-Photodiode Offset compensation circuit for a monitor photodiode |
| 06/08/2006 | DE102004058595A1 Treiberschaltung mit selbständiger Offsetkompensation eines Verstärkers und Verfahren zur Offsetkompensation eines Verstärkers einer Treiberschaltung Driver circuit with independent offset compensation of an amplifier and method for offset compensation of an amplifier of a driver circuit |
| 06/07/2006 | EP1667330A1 Transmission device, transmission power control method, and radio communication device |
| 06/07/2006 | EP1667320A1 Amplifier |
| 06/07/2006 | EP1665575A2 Phase conjugation circuit |
| 06/07/2006 | EP1665523A1 Monolithic array amplifier with periodic bias-line bypassing structure and method |
| 06/07/2006 | EP1665521A2 Differential amplifier arrangement |
| 06/07/2006 | EP1665519A2 Method and apparatus providing integrated load matching using adaptive power amplifier compensation |
| 06/07/2006 | EP1428313A4 A system and method for minimizing dissipation in rf power amplifiers |
| 06/07/2006 | EP1060574B1 A differential line driver |
| 06/07/2006 | CN1783716A Pulse amplitude modulating method and circuit for improving D class audio amplifier property |
| 06/07/2006 | CN1783707A Power amplifier |
| 06/07/2006 | CN1783706A Transconductance amplifier having common mode feedback circuit and method of operating the same |
| 06/07/2006 | CN1783705A Circuit arrangement with short circuit protection circuit |
| 06/07/2006 | CN1783703A Low noise amplifier using cascode structure to realize single end input to differential pair output |
| 06/07/2006 | CN1258870C Compensation circuit and method for power transistor |
| 06/07/2006 | CN1255944C Antenna amplifier |
| 06/06/2006 | US7058823 Integrated circuit having programmable voltage level line drivers and method of operation |
| 06/06/2006 | US7058464 Device and method for signal processing |
| 06/06/2006 | US7058463 Method and apparatus for implementing a class D driver and speaker system |
| 06/06/2006 | US7058373 Hybrid switched mode/linear power amplifier power supply for use in polar transmitter |
| 06/06/2006 | US7058136 Method and apparatus for generating an RF signal |
| 06/06/2006 | US7057909 Current/charge-voltage converter |
| 06/06/2006 | US7057672 Method and apparatus for high frequency data transmission and testability in a low voltage, differential swing design |
| 06/06/2006 | US7057464 Lineariser |
| 06/06/2006 | US7057463 Differential amplifier with improved frequency characteristic |
| 06/06/2006 | US7057462 Temperature compensated on-chip bias circuit for linear RF HBT power amplifiers |
| 06/06/2006 | US7057460 Differential amplifier with adaptive biasing and offset cancellation |
| 06/06/2006 | US7057459 Semiconductor integrated circuit |
| 06/06/2006 | US7057458 Balanced power amplifier and high-frequency communication apparatus |
| 06/06/2006 | US7057457 Low-noise amplifying circuit |
| 06/06/2006 | US7057456 Class D amplifier |
| 06/06/2006 | US7057455 System and method for reducing dynamic range and improving linearity in an amplication system |
| 06/06/2006 | US7057448 Variable output-type constant current source circuit |
| 06/06/2006 | US7057445 Bias voltage generating circuit and differential amplifier |
| 06/06/2006 | US7057443 Temperature independent current source and active filter circuit using the same |
| 06/06/2006 | US7057423 Current-voltage transforming circuit employing limiter circuit |
| 06/06/2006 | US7057422 Comparator |