| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 03/24/2005 | US20050063270 Amplifier circuit for optical desk drive |
| 03/24/2005 | US20050062555 High bandwidth magnetically isolated signal transmission circuit |
| 03/24/2005 | US20050062545 Two-stage amplifier with series L-R coupling network |
| 03/24/2005 | US20050062544 Integrated circuit and optical pickup device |
| 03/24/2005 | US20050062543 Optical dispersion correction in transimpedance amplifiers |
| 03/24/2005 | US20050062542 Fast-response current limiting |
| 03/24/2005 | US20050062541 Bias circuit |
| 03/24/2005 | US20050062540 Amplifier and frequency converter |
| 03/24/2005 | US20050062539 Method and apparatus for current amplification |
| 03/24/2005 | US20050062538 RF power amplifier having an operating current measuring device |
| 03/24/2005 | US20050062537 Amplifier arrangement |
| 03/24/2005 | US20050062536 Amplifier apparatus, method, and system |
| 03/24/2005 | US20050062535 Impedance matched low noise amplifier |
| 03/24/2005 | US20050062534 High-frequency power amplifier having differential inputs |
| 03/24/2005 | US20050062533 Coupled-inductance differential amplifier |
| 03/24/2005 | US20050062532 Method for aligning feed forward loops |
| 03/24/2005 | US20050062528 High-power amplification circuit |
| 03/24/2005 | US20050062527 Digital amplifier |
| 03/24/2005 | US20050062526 High-efficiency amplifier, converter and methods |
| 03/24/2005 | US20050062524 Transconductance-adjusting circuit |
| 03/24/2005 | US20050062514 Charge signal converting amplifier |
| 03/24/2005 | US20050062509 Buffer/voltage-mirror arrangements for sensitive node voltage connections |
| 03/24/2005 | US20050062508 Driver circuit |
| 03/24/2005 | US20050062506 Electronic circuit for converting a current signal to a voltage signal |
| 03/24/2005 | US20050062504 Current sense amplifier |
| 03/24/2005 | US20050062491 Process monitor for monitoring and compensating circuit performance |
| 03/24/2005 | US20050061954 Receiving circuit for free-space optical communication |
| 03/24/2005 | DE10011056B4 Leseverstärker für magnetisches Speichersystem Sense amplifiers for magnetic storage system |
| 03/23/2005 | EP1517439A1 Transistor amplifier |
| 03/23/2005 | EP1517438A1 Digital amplifier |
| 03/23/2005 | EP1517437A1 RF power amplifier with operating current measuring circuitry |
| 03/23/2005 | EP1517127A2 Charge signal converting amplifier |
| 03/23/2005 | EP1254510B1 Low distortion driving amplifier for integrated filters |
| 03/23/2005 | EP1252633A4 A switched-opamp technique for low-voltage switched-capacitor circuits |
| 03/23/2005 | EP1131883A4 Rf power amplifier linearization using parallel rf power amplifiers having intermod-complementing predistortion paths |
| 03/23/2005 | CN2687948Y Audio power output circuit for amplifying circuit |
| 03/23/2005 | CN1599975A Differential amplifier with temp compensation function |
| 03/23/2005 | CN1599974A Integrated circuit with an amplifier |
| 03/23/2005 | CN1599973A 放大器 Amplifiers |
| 03/23/2005 | CN1599257A D类放大器 Class D Amplifier |
| 03/23/2005 | CN1599240A RF power amplifier with operating current measuring circuitry |
| 03/23/2005 | CN1599239A Magnetic suspension bearing power amplifier based on FPGA |
| 03/23/2005 | CN1599238A Bias circuit of power amplifier |
| 03/23/2005 | CN1599237A Small two-way module |
| 03/23/2005 | CN1599236A 集成电路和光拾波装置 Integrated circuits and optical pick-up apparatus |
| 03/23/2005 | CN1599220A Supply unit and electronic equipment comprising the supply unit |
| 03/22/2005 | US6871058 Frequency conversion circuit |
| 03/22/2005 | US6870524 Driving apparatus and method of liquid crystal display apparatus |
| 03/22/2005 | US6870426 Output stage, amplifier and associated method for limiting an amplifier output |
| 03/22/2005 | US6870425 System and method of amplifier gain control by variable bias and degeneration |
| 03/22/2005 | US6870424 Low voltage differential in differential out receiver |
| 03/22/2005 | US6870422 Low voltage rail-to-rail CMOS input stage |
| 03/22/2005 | US6870421 Temperature characteristic compensation apparatus |
| 03/22/2005 | US6870318 Multiple stage depressed collector (MSDC) klystron based amplifier for ground based satellite and terrestrial communications |
| 03/22/2005 | CA2342155C Linear traveling wave tube amplifier utilizing input drive limiter for optimization |
| 03/17/2005 | WO2005025055A1 Transistor arrangement, integrated circuit and method for operating field effect transistors |
| 03/17/2005 | WO2005025054A1 Linear amplification device with a non-linear amplification element for a mobile radio device |
| 03/17/2005 | WO2004112425B1 Audio amplifier with local interface system |
| 03/17/2005 | WO2002089322A8 Linearized switch-based power amplifier |
| 03/17/2005 | US20050059373 Frequency generator and communication system using the same |
| 03/17/2005 | US20050059362 Method and apparatus providing integrated load matching using adaptive power amplifier compensation |
| 03/17/2005 | US20050058209 Class D amplifier |
| 03/17/2005 | US20050057414 Reconfigurable radiation desensitivity bracket systems and methods |
| 03/17/2005 | US20050057310 Monolithic array amplifier with periodic bias-line bypassing structure and method |
| 03/17/2005 | US20050057309 Transistor amplifier |
| 03/17/2005 | US20050057307 Output stage circuit for an operational amplifier |
| 03/17/2005 | US20050057306 Step gain-variable CMOS amplifier |
| 03/17/2005 | US20050057305 Radio frequency low noise amplifier with automatic gain control |
| 03/17/2005 | US20050057304 Single-ended input, differential output low noise amplifier |
| 03/17/2005 | US20050057232 Power converter circuit and method for power conversion |
| 03/17/2005 | DE10337829A1 Vorrichtung und Verfahren zur Begrenzung der Fehlanpassung von Endstufen Apparatus and method for limiting the mismatch of power amplifiers |
| 03/17/2005 | DE10336881A1 Hochfrequenzanregungsanordnung mit einer Begrenzungsschaltung High-frequency excitation system with a limiting circuit |
| 03/16/2005 | EP1515449A1 Coupling device for interfacing power amplifier and antenna in differential mode |
| 03/16/2005 | EP1515434A1 High-frequency amplifier |
| 03/16/2005 | EP1515433A1 Controlled offset amplifier |
| 03/16/2005 | EP1515432A1 Translinear amplifier |
| 03/16/2005 | EP1515431A1 Step gain-variable CMOS amplifier |
| 03/16/2005 | EP1514110A2 An apparatus and method for two-dimensional electron gas actuation and transduction for gaas nems |
| 03/16/2005 | EP1277275A4 Ft-multiplier amplifier with low-power biasing circuit |
| 03/16/2005 | CN2686033Y Electrical level regulator |
| 03/16/2005 | CN1595796A Differential amplifier, data driver and display device |
| 03/16/2005 | CN1595795A 半导体集成电路器件 The semiconductor integrated circuit device |
| 03/16/2005 | CN1193499C Circuit arrangement for adjusting operating point of high-frequency transistor and amplifier circuit |
| 03/15/2005 | US6867908 Optical amplifier having various control circuitry |
| 03/15/2005 | US6867744 Tunable horn antenna |
| 03/15/2005 | US6867722 H-bridge common-mode noise reduction circuit |
| 03/15/2005 | US6867653 Apparatus and method for converting a fully-differential class-AB input signal to a rail-to-rail single ended output signal |
| 03/15/2005 | US6867652 Fast-response current limiting |
| 03/15/2005 | US6867651 MMIC driver amplifier having zig-zag RF signal flow |
| 03/15/2005 | US6867650 Variable gain amplifier circuit |
| 03/15/2005 | US6867649 Common-mode and differential-mode compensation for operational amplifier circuits |
| 03/15/2005 | US6867648 Linearization apparatus capable of adjusting peak-to-average power ratio |
| 03/15/2005 | US6867647 Operational amplifier arrangement including a quiescent current control circuit |
| 03/15/2005 | US6867644 Current control circuitry |
| 03/15/2005 | US6867643 Rail-to-rail operational amplifier circuits to extract the mean (common mode) voltage of two input signals |
| 03/15/2005 | US6867636 Circuit arrangement for a current-controlled resistor having an enlarged linear range |
| 03/15/2005 | US6867633 Complementary electronic system for lowering electric power consumption |
| 03/15/2005 | US6867623 Receiving circuit |
| 03/15/2005 | US6867618 Voltage mode differential driver and method |
| 03/10/2005 | WO2005022740A2 Method and apparatus providing integrated load matching using adaptive power amplifier compensation |