| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 10/04/2001 | WO2001073942A2 Concurrent multi-band low noise amplifier architecture |
| 10/04/2001 | WO2001073789A1 A track and hold amplifier |
| 10/04/2001 | US20010026564 Signal treating circuit with a class A/B output stage connectable to a source of multiple supply voltages |
| 10/04/2001 | US20010026292 Driving device and driving method for ink jet printing head |
| 10/04/2001 | US20010026196 Loop delay compensation for a digital power amplifier |
| 10/04/2001 | US20010026194 Operational amplifier with high gain and symmetrical output-current capability |
| 10/04/2001 | US20010026193 Amplifier phase reversal suppression |
| 10/04/2001 | US20010026192 Differential amplifier and filter circuit using the same |
| 10/04/2001 | US20010026191 Resonant gate drive technique for a digital power amplifier |
| 10/04/2001 | US20010026174 Self-timed switching for a digital power amplifier |
| 10/04/2001 | EP1138129A1 A method for use in a teleloop system, a teleloop system and an amplifier for a teleloop system |
| 10/04/2001 | EP1138115A1 Amplitude modulation to phase modulation cancellation method in an rf amplifier |
| 10/04/2001 | EP0840951B1 Amplifier with active-bootstrapped gain-enhancement technique |
| 10/04/2001 | EP0564490B1 Improved switching amplifier |
| 10/04/2001 | DE10109417A1 Aktive Vorspannschaltung mit Wilson- und Widlar-Konfigurationen Active bias circuit with Wilson and Widlar configurations |
| 10/04/2001 | DE10016445A1 Electronic output stage that can be controlled with small electrical drive signals - has voltages of input signals and drives to first and third transistors and to second and fourth transistors varying in opposition to each other |
| 10/04/2001 | DE10015315A1 Antennenverstärker Antenna amplifier |
| 10/03/2001 | CN1316132A Circuit arrangement and optical read/write device including the circuit arrangement |
| 10/02/2001 | US6298226 Receiver for RF signals |
| 10/02/2001 | US6297701 Wide dynamic range transimpedance amplifier |
| 10/02/2001 | US6297699 Bias rail buffer circuit and method |
| 10/02/2001 | US6297698 Circuit for automatic regulation of a differential amplifier's gain |
| 10/02/2001 | US6297697 Methods and apparatus for noise shaping a mixed signal power output |
| 10/02/2001 | US6297696 Optimized power amplifier |
| 10/02/2001 | US6297694 High frequency power amplifier |
| 10/02/2001 | US6297693 Techniques for synchronizing a self oscillating variable frequency modulator to an external clock |
| 10/02/2001 | US6297692 Pulse modulation power amplifier with enhanced cascade control method |
| 10/02/2001 | US6297688 Current generating circuit |
| 09/27/2001 | WO2001071905A2 Amplifier circuit and method for providing negative feedback thereto |
| 09/27/2001 | US20010024477 Method for controlling a data transmission pre-emphasis unit and a data transmission system employing the method |
| 09/27/2001 | US20010024141 Semiconductor power amplifier and multistage monolithic integrated circuit |
| 09/27/2001 | US20010024132 Electronic circuit comprising a differential pair provided with degeneration means for degenerating a transconductance of the differential pair |
| 09/26/2001 | EP1137171A1 Microwave amplifier |
| 09/26/2001 | EP1137170A2 High frequency circuit |
| 09/26/2001 | EP1136798A1 Photodetector device |
| 09/26/2001 | EP1135863A1 Transceiver operation in radio system |
| 09/26/2001 | EP1135769A1 Circuit for reduction and optimization of write-to-read settling times in magnetic medium storage devices |
| 09/26/2001 | EP0806057B1 Mos transistor |
| 09/26/2001 | EP0796523B1 Comparator with smooth start-up for high frequencies |
| 09/26/2001 | CN1315074A Microwave amplifier |
| 09/25/2001 | US6295442 Amplitude modulation to phase modulation cancellation method in an RF amplifier |
| 09/25/2001 | US6294959 Circuit that operates in a manner substantially complementary to an amplifying device included therein and apparatus incorporating same |
| 09/25/2001 | US6294958 Apparatus and method for a class AB output stage having a stable quiescent current and improved cross over behavior |
| 09/25/2001 | US6294957 RF power amplifier having synchronous RF drive |
| 09/25/2001 | US6294956 System and method for producing amplified signal(s) or version(s) thereof |
| 09/25/2001 | US6294955 Apparatus and method for use in disconnecting and/or replacing one of a plurality of power amplifiers in a transmitter while the transmitter is operating |
| 09/25/2001 | US6294954 Adaptive dead time control for switching circuits |
| 09/25/2001 | US6294949 Voltage drive circuit, voltage drive apparatus and semiconductor-device testing apparatus |
| 09/25/2001 | CA2230419C Planar dielectric integrated circuit |
| 09/20/2001 | WO2001069871A1 Variable gain line driver depending on frequency |
| 09/20/2001 | WO2001069779A1 System and method of producing direct audio from a power supply |
| 09/20/2001 | US20010022534 Power amplifier |
| 09/20/2001 | US20010022531 Integrated power amplifier which allows parallel connections |
| 09/20/2001 | US20010022530 Dual independently clocked analog-to-digital conversion for a digital power amplifier |
| 09/20/2001 | US20010022338 Probe signal outputting apparatus |
| 09/20/2001 | DE10012777A1 Method of LF and HF signal transmission and amplification employs floating symmetrical differential amplification stages with push-pull output |
| 09/19/2001 | EP1134894A2 Improvements in or relating to digital-to-analog converters |
| 09/19/2001 | EP1134891A1 Circuit arrangement for working point adjustment of a high frequency transistor and amplifier circuit |
| 09/19/2001 | EP0759228B1 Continuous time programmable analog block architecture |
| 09/18/2001 | US6292390 Semiconductor device |
| 09/18/2001 | US6292122 Digital-to-analog interface circuit having adjustable time response |
| 09/18/2001 | US6292063 Oscillating apparatus including two-band resonance circuit |
| 09/18/2001 | US6292059 Systems, methods, and circuits for providing thermal compensation in amplifiers |
| 09/18/2001 | US6292057 Output stage of an operational amplifier and method having a latchup-free sourcing current booster for driving low impedance loads |
| 09/18/2001 | US6292056 Differential amplifier with adjustable common mode output voltage |
| 09/18/2001 | US6292055 Electronic apparatus comprising a power amplifier |
| 09/18/2001 | US6292054 System and method for producing an amplified signal |
| 09/18/2001 | US6292053 Power amplifier system |
| 09/18/2001 | US6292052 Output amplifier for a discrete filter-less optical reference receiver |
| 09/18/2001 | US6292034 Low noise transconductance device |
| 09/18/2001 | US6292033 Precision, low-power transimpedance circuit with differential current sense inputs and single ended voltage output |
| 09/18/2001 | US6292031 Level shift circuit with common mode level control |
| 09/18/2001 | CA2099260C A tri-state switching amplifier |
| 09/13/2001 | WO2001067596A1 Rf communication system using an rf digital amplifier |
| 09/13/2001 | WO2001067595A1 Instrumentation amplifier |
| 09/13/2001 | WO2001067594A1 Circuit arrangement for adjusting the operating point of a high-frequency transistor and an amplifier circuit |
| 09/13/2001 | WO2001067593A2 Improved method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio |
| 09/13/2001 | WO2001067591A2 Digital-to-analog interface circuit having adjustable time response |
| 09/13/2001 | WO2000070746A8 Power modulation systems and methods that separately amplify low and high frequency portions of an amplitude waveform |
| 09/13/2001 | US20010021813 Voltage sensing system with input impedance balancing for electrocardiogram (ECG) sensing applications |
| 09/13/2001 | US20010020873 Method and system for suppressing oscillations in a multi-stage amplifier |
| 09/13/2001 | US20010020872 High frequency power amplifier, and communication apparatus |
| 09/13/2001 | US20010020871 Low noise amplifier |
| 09/13/2001 | US20010020870 Amplifier output stage |
| 09/13/2001 | US20010020869 Class AB single-stage advanced operational amplifier |
| 09/13/2001 | US20010020865 Transconductor and filter circuit |
| 09/13/2001 | DE10109873A1 Signalverarbeitungsvorrichtung Signal processing apparatus |
| 09/13/2001 | CA2739554A1 Transmitter architectures for communications systems |
| 09/13/2001 | CA2402468A1 Improved method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio |
| 09/12/2001 | EP1133084A1 An optical reference receiver and output amplifier without a discrete filter |
| 09/12/2001 | EP1131886A1 Multi-reference, high-accuracy switching amplifier |
| 09/12/2001 | EP1131885A1 Circuit and method for linearizing amplitude modulation in a power amplifier |
| 09/12/2001 | EP1131884A1 An amplifier |
| 09/12/2001 | EP1131883A1 Rf power amplifier linearization using parallel rf power amplifiers having intermod-complementing predistortion paths |
| 09/12/2001 | EP0995281B1 Data reception circuit for infrared signals |
| 09/12/2001 | EP0995280B1 Wake-up circuit for an electronic apparatus |
| 09/11/2001 | US6288814 In-line predistorter for linearization of electronic and optical signals |
| 09/11/2001 | US6288619 Bias circuit for use in quadrature modulator |
| 09/11/2001 | US6288608 Radio frequency power amplifier for a battery powered handset unit of a wireless communications system |
| 09/11/2001 | US6288606 Linear power amplifier arrangement and method for its operation |