| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 09/11/2001 | US6288605 Power switching output stage with dead zone minimization and possibility of parallel synchronous connection |
| 09/11/2001 | US6288604 CMOS amplifier providing automatic offset cancellation |
| 09/11/2001 | US6288576 Fast pre-amplifier for an interface arrangement |
| 09/11/2001 | US6288575 Pseudo-differential current sense amplifier with hysteresis |
| 09/11/2001 | US6286996 Method and arrangement for measuring temperature of a semiconductor component in an inactive state |
| 09/07/2001 | WO2001065698A1 Dc offset correction adaptable to multiple requirements |
| 09/06/2001 | US20010019289 Traveling wave power combiner and radio base station |
| 09/06/2001 | US20010019287 Active bias circuit having wilson and widlar configurations |
| 09/06/2001 | US20010019273 Signal processing apparatus |
| 09/06/2001 | DE10054971A1 Pufferschaltung und Halteschaltung Buffer circuit and hold circuit |
| 09/05/2001 | EP1130771A1 Amplifier circuit for a physical random number generator and a random number generator using the same |
| 09/05/2001 | EP1130770A2 Low power radio |
| 09/05/2001 | EP1130769A2 Feed-forward compensation scheme for feedback circuits |
| 09/05/2001 | CN2446718Y Splitting safety power supply TV antenna |
| 09/05/2001 | CN1311918A Method of attenuating zero crossing distortion and noise in a amplifier, amplifier and uses of the method and amplifier |
| 09/04/2001 | US6286127 Control circuit having multiple functions set by a single programmable terminal |
| 09/04/2001 | US6285615 Multiple output current mirror with improved accuracy |
| 09/04/2001 | US6285259 System and method for converting from single-ended to differential signals |
| 09/04/2001 | US6285258 Offset voltage trimming circuit |
| 09/04/2001 | US6285257 Feedback type variable gain amplifier |
| 09/04/2001 | US6285256 Low-power CMOS voltage follower using dual differential amplifiers driving high-current constant-voltage push-pull output buffer |
| 09/04/2001 | US6285255 Adaptive compensation for carrier signal phase distortion |
| 09/04/2001 | US6285254 System and method for linearizing vacuum electronic amplification |
| 09/04/2001 | US6285251 Amplification systems and methods using fixed and modulated power supply voltages and buck-boost control |
| 09/04/2001 | US6285245 Constant voltage generating circuit |
| 09/04/2001 | US6285232 Driver circuit and output stabilizing method therefor |
| 09/04/2001 | US6285231 Reference buffer technique for high speed switched capacitor circuits |
| 09/04/2001 | US6285214 Output buffer stage for use with a current controlled oscillator |
| 09/04/2001 | CA2254542C Telecommunication device with a combiner-splitter |
| 09/04/2001 | CA2248337C Offset correction circuit and dc amplification circuit |
| 08/30/2001 | WO2001063829A1 Data transmission system |
| 08/30/2001 | WO2001063795A1 Envelope - tracking amplifier having improved gain, terminal device for mobile communication using the same, and method for improving gain relating thereto |
| 08/30/2001 | WO2001063767A2 Current-controlled cmos circuits with inductive broadbanding |
| 08/30/2001 | WO2001063756A1 A signal combiner, a signal splitter and a circuit using a combiner and a splitter |
| 08/30/2001 | WO2001063755A1 Differential circuit with reverse isolation |
| 08/30/2001 | WO2001063754A1 Electronic circuit comprising a differential pair provided with degeneration means for degenerating a transconductance of the differential pair |
| 08/30/2001 | WO2001063749A1 Signal treating circuit with a class a/b output stage connectable to a source of multiple supply voltages |
| 08/30/2001 | WO2001063748A1 Spectral distortion monitor for controlling pre-distortion and feed-forward linearization of rf power amplifier |
| 08/30/2001 | WO2001026416A3 High performance audio transmission channel |
| 08/30/2001 | US20010017576 Isolator device with built-in power amplifier |
| 08/30/2001 | US20010017571 System and method for converting from single- ended to differential signals |
| 08/30/2001 | US20010017569 Amplifier circuit for a physical random number generator and a random number generator using the same |
| 08/30/2001 | US20010017556 Frequency multiplier without spurious oscillation |
| 08/30/2001 | DE10056517A1 Amplifier with variable gain has gain controller that generates gain control signals applied to first and third amplifier stages to set them to predetermined gains, fixed gain second stage |
| 08/29/2001 | EP1128548A2 FET bias circuit |
| 08/29/2001 | EP1127479A1 An electrical component and an electrical circuit module having connected ground planes |
| 08/29/2001 | EP1127408A1 Variable gain amplifier with improved linearity |
| 08/29/2001 | EP1127407A1 An amplifier for use in a mobile phone |
| 08/29/2001 | EP1127406A1 High efficiency power amplifier |
| 08/29/2001 | CN1310516A 功率放大器 PA |
| 08/28/2001 | US6282129 Memory devices and memory reading methods |
| 08/28/2001 | US6281936 Broadcast transmission system with sampling and correction arrangement for correcting distortion caused by amplifying and signal conditioning components |
| 08/28/2001 | US6281871 Liquid crystal drive circuit |
| 08/28/2001 | US6281844 Electrical component and an electrical circuit module having connected ground planes |
| 08/28/2001 | US6281835 Radar transmitter |
| 08/28/2001 | US6281767 Reconstruction filter for eliminating the switching residue in a switched system |
| 08/28/2001 | US6281756 Transistor with internal matching circuit |
| 08/28/2001 | US6281755 High-frequency power amplifier |
| 08/28/2001 | US6281754 Amplifier circuit |
| 08/28/2001 | US6281753 MOSFET single-pair differential amplifier having an adaptive biasing scheme for rail-to-rail input capability |
| 08/28/2001 | US6281752 Amplifier with improved, high precision, high speed and low power consumption architecture |
| 08/28/2001 | US6281751 Frequency compensation for single-ended class AB operational amplifiers with fully-differential input stages |
| 08/28/2001 | US6281750 Transistor amplifier |
| 08/28/2001 | US6281749 Sound enhancement system |
| 08/28/2001 | CA2027979C Switching apparatus with cascaded switch sections |
| 08/23/2001 | WO2001061853A1 High noise rejection voltage-controlled ring oscillator architecture |
| 08/23/2001 | WO2001061843A1 Improved signal receiver having wide band amplification capability |
| 08/23/2001 | WO2001061842A1 Variable transconductance variable gain amplifier utilizing a degenerated differential pair |
| 08/23/2001 | WO2001061430A1 Voltage current transformer |
| 08/23/2001 | WO2000007301A3 Hardware-efficient transceiver with delta-sigma digital-to-analog converter |
| 08/23/2001 | US20010016016 Power amplification using a direct-upconverting quadrature mixer topology |
| 08/23/2001 | US20010015676 Wireless communication system |
| 08/23/2001 | US20010015674 Semiconductor integrated circuit device |
| 08/23/2001 | US20010015668 Fet bias circuit |
| 08/23/2001 | EP1145449A3 Hardware-efficient transceiver with delta-sigma digital-to-analog converter |
| 08/23/2001 | DE10103504A1 Abfrage zum Bestimmen der optimalen Impedanz Query to determine the optimum impedance |
| 08/22/2001 | EP1126595A1 Power amplifier |
| 08/22/2001 | EP1126544A2 System for calibrating and characterizing an antenna system and method for characterizing an array of antenna elements |
| 08/22/2001 | EP1126350A1 Voltage-to-current converter |
| 08/22/2001 | EP1125362A1 Linear transconductance circuits having class ab amplifiers parallel coupled with concave compensation circuits |
| 08/22/2001 | EP1125360A2 A video output amplifier |
| 08/22/2001 | EP1125297A1 Comparators, memory devices, comparison methods and memory reading methods |
| 08/22/2001 | EP1125180A1 Load device |
| 08/22/2001 | EP0787381B1 Class-BC power amplifier for AM-FM transmitter |
| 08/22/2001 | CN1309831A Amplifier output stage |
| 08/22/2001 | CN1309465A Method and apparatus for adaptive adjusting feedforward linearized amplifier |
| 08/21/2001 | US6278326 Current mirror circuit |
| 08/21/2001 | US6278323 High gain, very wide common mode range, self-biased operational amplifier |
| 08/21/2001 | US6278322 Transconductance amplifier and automatic gain control device using it |
| 08/21/2001 | US6278321 Method and apparatus for an improved variable gain amplifier |
| 08/21/2001 | US6278301 Circuit and method for modulating the base frequency of a waveform generator |
| 08/21/2001 | US6278299 Voltage to current converter |
| 08/16/2001 | WO2001059928A1 Balanced circuit arrangement |
| 08/16/2001 | WO2001059927A1 Multistage amplifier |
| 08/16/2001 | WO2001059926A1 Differential amplifier with gain substantially independent of temperature |
| 08/16/2001 | WO2001059925A1 Low-voltage transconductance amplifier/filters |
| 08/16/2001 | WO2001059923A2 Amplifier arrangement |
| 08/16/2001 | US20010014593 High-efficiency modulating rf amplifier |
| 08/16/2001 | US20010013851 Display driving apparatus having variable driving ability |
| 08/16/2001 | US20010013814 Contactless IC card system |