| Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
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| 08/08/2001 | EP0908006A4 Bias circuit for a power amplifier |
| 08/08/2001 | EP0760184A4 In-line predistorter for linearization of electronic and optical signals |
| 08/08/2001 | CN1307746A Amplifier circuitry |
| 08/08/2001 | CN1307745A Set-up method for linearising circuit |
| 08/07/2001 | US6272326 Distortion compensation address generator, distortion compensating circuit, and transmitter |
| 08/07/2001 | US6271724 Linearization method and amplifier arrangement |
| 08/07/2001 | US6271723 Distortion compensating device |
| 08/07/2001 | US6271722 Partial or complete amplifier bypass |
| 08/07/2001 | US6271721 Common-base transistor amplifiers with linearity augmentation |
| 08/07/2001 | US6271695 Precision low-noise current mode biasing scheme for BJT with inductive emitter degeneration |
| 08/07/2001 | CA2239343C A matching circuit and a method for matching a transistor circuit |
| 08/02/2001 | WO2001056176A2 Ingrated rf power sensor that compensates for bias changes |
| 08/02/2001 | WO2001056147A1 Transmission feedback system |
| 08/02/2001 | WO2001056146A1 Method and system for compensating non-linearities and time-varying changes of a transfer function acting on an input signal |
| 08/02/2001 | US20010010483 Radio frequency transmitting circuit |
| 08/02/2001 | US20010010482 Circuit for amplifying and outputting audio signals |
| 08/01/2001 | EP1120904A2 Power amplifier using upstream signal information |
| 08/01/2001 | EP1120903A1 Transmission feedback system |
| 08/01/2001 | EP1120902A2 Transmitter and mobile station |
| 08/01/2001 | EP1120901A1 Line driver |
| 08/01/2001 | EP1119918A1 Transmission power amplifier for a mobile telephone |
| 08/01/2001 | EP1119906A1 Method and apparatus for preventing power amplifier saturation |
| 08/01/2001 | EP1119905A1 In-line, unbalanced amplifier, pre-distortion circuit |
| 08/01/2001 | EP1119904A1 Circuit arrangement for stabilizing the operating point of a transistor |
| 08/01/2001 | CN2441271Y Weighted visual frequency amplifier |
| 07/31/2001 | US6269251 Method of calculating a code value for electric power control according to temperature compensation in wireless communication terminal |
| 07/31/2001 | US6268774 Self-tuning amplifier |
| 07/31/2001 | US6268773 Power system |
| 07/31/2001 | US6268771 Amplifying device |
| 07/31/2001 | US6268770 Wide bandwidth, current sharing, MOSFET audio power amplifier with multiple feedback loops |
| 07/31/2001 | US6268768 Amplifier having linear characteristics |
| 07/26/2001 | WO2001054271A1 A switchless high efficiency amplifier |
| 07/26/2001 | WO2001054269A1 Line driver with a low power dissipation |
| 07/26/2001 | WO2001054268A2 Circuit for reducing second and third order intermodulation distortion for a broadband rf amplifier |
| 07/26/2001 | WO2001053903A1 Bandgap voltage reference source |
| 07/26/2001 | US20010009390 OW current amplifier circuit with protection against static electricity |
| 07/26/2001 | US20010009388 Amplifier cercuit |
| 07/26/2001 | DE10001151A1 Verfahren und Vorrichtung zur Linearisierung eines Hochfrequenz-Hochleistungsverstärkers Method and device for the linearization of an RF high power amplifier |
| 07/25/2001 | EP1119111A1 Isolator with built-in power amplifier |
| 07/25/2001 | EP1119102A2 Feedback circuit and amplifier and mixer comprising the same |
| 07/25/2001 | EP1119100A2 Amplifiers |
| 07/25/2001 | EP1118176A1 In-line predistorter for linearization of electronic and optical signals |
| 07/25/2001 | EP1118156A1 Amplifier apparatus with transient recovery aid |
| 07/25/2001 | EP1117328A1 Methods, systems, and associated implantable devices for dynamic monitoring of tumors |
| 07/25/2001 | EP0840950A4 Field effect transistor cable television line amplifier |
| 07/25/2001 | CN1305660A Method of reducing distortion and noise of square-wave pulses, circuit for generating minimally distorted pulses and use of method and circuit |
| 07/25/2001 | CN1305659A Method of reducing distortion and noise of square-wave pulses, circuit for generating minimally distorted pulses and use of methode and circuit |
| 07/25/2001 | CN1069004C Apparatus and method for performing error corrected amplification in RF system |
| 07/25/2001 | CN1069003C Amplifier circuit and method for controlling amplifier in RF communication system |
| 07/24/2001 | US6266517 Method and apparatus for correcting distortion in a transmitter |
| 07/24/2001 | US6265943 Integrated RF power sensor that compensates for bias changes |
| 07/24/2001 | US6265942 Low power gain controlled amplifier with high dynamic range |
| 07/24/2001 | US6265940 Detector and transmitter incorporating the detector |
| 07/24/2001 | US6265935 Amplifier for radio transmission |
| 07/24/2001 | US6265908 Low voltage balun circuit |
| 07/24/2001 | US6265905 Quasi-voltage sensing input impedance controlled preamplifier for magnetoresistive elements |
| 07/19/2001 | WO2001052408A1 Carrier-blanking mechanism for sweeping detector used to measure and correct rf power amplifier distortion |
| 07/19/2001 | WO2001052407A1 Circuit configuration and method for reducing the 1/f noise of mosfets |
| 07/19/2001 | WO2001052406A1 Low-noise amplifier circuit and a method for amplifying low-power signals in a low-noise manner |
| 07/19/2001 | WO2001052405A2 Method and device for the linearization of a high-frequency high-capacity amplifier |
| 07/19/2001 | WO2001052403A2 Difference frequency impedance transformation circuits and methods for providing same in power amplifier systems |
| 07/19/2001 | US20010008383 Feedback circuit and amplifier and mixer comprising the same |
| 07/18/2001 | EP1116325A1 High efficiency switched gain power amplifier |
| 07/18/2001 | EP1116324A1 Differential amplifier with gain linearization through transconductance compensation |
| 07/18/2001 | EP0694229B1 Multistage amplifier with hybrid nested miller compensation |
| 07/18/2001 | CN1304588A Communication device and communication method |
| 07/18/2001 | CN1304585A Differential line driver |
| 07/17/2001 | US6262633 High output current operational amplifier output stage |
| 07/17/2001 | US6262631 Silicon power bipolar junction transistor with an integrated linearizer |
| 07/17/2001 | US6262629 High efficiency power amplifier having reduced output matching networks for use in portable devices |
| 07/17/2001 | US6262626 Circuit comprising means for reducing the DC-offset and the noise produced by an amplifier |
| 07/17/2001 | US6262625 Operational amplifier with digital offset calibration |
| 07/17/2001 | US6262616 Open loop supply independent digital/logic delay circuit |
| 07/17/2001 | CA2117648C Circuitry for superimposing small, low energy signals and large, essentially higher energy signals |
| 07/12/2001 | WO2001050600A1 Amplifier ctb reduction by phase filtering |
| 07/12/2001 | WO2001050596A1 Voltage level translation circuits |
| 07/12/2001 | WO2001050595A1 Voltage level translation circuits |
| 07/12/2001 | WO2001050594A1 Control of bias voltage |
| 07/12/2001 | US20010007443 Differential amplifier, comparator, and A/D converter |
| 07/12/2001 | US20010007435 Distortion compensating apparatus |
| 07/12/2001 | US20010007434 Double input buffer for track-and-hold amplifier |
| 07/12/2001 | DE10064103A1 Halbleiterschaltung mit Ausgangspufferschaltung und Treiberschaltung zum Treiben einer Ausgangspufferschaltung Semiconductor circuit with output buffer circuit and driver circuit for driving an output buffer circuit |
| 07/11/2001 | EP1115211A1 Method and apparatus for power amplification |
| 07/11/2001 | EP1114518A1 A two-port with a frequency-dependent network |
| 07/11/2001 | EP1114510A1 A method and arrangement for measuring temperature in an intermittently operating semiconductor |
| 07/11/2001 | CN1303181A Apparatus for simultaneous receiving/transmitting signal with low noise amplifier |
| 07/10/2001 | US6259644 Equipotential sense methods for resistive cross point memory cell arrays |
| 07/10/2001 | US6259335 Combining network to implement a power amplifier having monolithically integrated planar interconnect and transistors |
| 07/10/2001 | US6259324 Active bias network circuit for radio frequency amplifier |
| 07/10/2001 | US6259320 Error correction within power amplifiers |
| 07/10/2001 | US6259319 Adaptive gain and/or phase adjustment control system and method |
| 07/10/2001 | US6259318 Method for extending the liner range of an amplifier |
| 07/10/2001 | US6259316 Low voltage buffer amplifier for high speed sample and hold applications |
| 07/10/2001 | US6259312 Circuit arrangement for adjusting the impedance of a differential active component |
| 07/10/2001 | US6259297 Protection circuit for power transistor |
| 07/05/2001 | WO2001049002A1 Memoryless non-linear predistortion of digital amplitude modulation |
| 07/05/2001 | WO2001048998A1 Predistorter controlled by post-amplifier equalization in the transmitter |
| 07/05/2001 | WO2001048932A2 Transmitter for transmitting signals over radio channels and method for transmitting signals over radio channels |
| 07/05/2001 | WO2001048913A1 Wide band amplifier circuit and signal discriminating circuit using it |
| 07/05/2001 | WO2001048912A1 Locally-adapted fractionally-spaced linear predistorter |