| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 12/13/2005 | US6975687 Linearized offset QPSK modulation utilizing a sigma-delta based frequency modulator |
| 12/13/2005 | US6975177 Method and system for a generation of a two-level signal |
| 12/13/2005 | US6975175 Charge pump |
| 12/13/2005 | US6975172 Smart voltage rail reduction audio amplifier |
| 12/13/2005 | US6975171 Balanced amplifier and filter using the same |
| 12/13/2005 | US6975170 Adaptive amplifier output common mode voltage adjustment |
| 12/13/2005 | US6975169 Low-voltage differential amplifier |
| 12/13/2005 | US6975168 Drive circuit |
| 12/13/2005 | US6975166 Power amplifier |
| 12/13/2005 | US6975163 Precision margining circuitry |
| 12/13/2005 | US6975144 System, method and apparatus for improving sense amplifier performance characteristics using process feedback |
| 12/13/2005 | US6974977 Heterojunction bipolar transistor |
| 12/08/2005 | WO2005117382A2 Multi-channel pulse modulator system |
| 12/08/2005 | WO2005117274A1 Transmission output control circuit, and wireless device using the same |
| 12/08/2005 | US20050271162 Techniques to adjust vertical offset |
| 12/08/2005 | US20050271161 Digital amplitude modulation |
| 12/08/2005 | US20050270264 Offset cancel circuit of voltage follower equipped with operational amplifier |
| 12/08/2005 | US20050270214 Loudspeaker control circuit |
| 12/08/2005 | US20050270107 Low distortion amplifier |
| 12/08/2005 | US20050270106 Power amplification circuit for output terminal of an RFIC |
| 12/08/2005 | US20050270104 Broadband amplifier with improved noise figure and distortion characteristics |
| 12/08/2005 | US20050270102 Power amplifying apparatus |
| 12/08/2005 | US20050270101 Input circuit for receiving an input signal, and a method for adjusting an operating point of an input circuit |
| 12/08/2005 | US20050270100 Bias current cancellation for differential amplifiers |
| 12/08/2005 | US20050270099 Amplifier arrangement and method for operation of an amplifier arrangement |
| 12/08/2005 | US20050270098 General-purpose wideband amplifier |
| 12/08/2005 | US20050270097 RF generator with voltage regulator |
| 12/08/2005 | US20050270096 RF generator with phase controlled mosfets |
| 12/08/2005 | US20050270095 Paralleling digital-input amplifiers |
| 12/08/2005 | US20050270093 Class D amplifier |
| 12/08/2005 | US20050270092 Calibration technique for variable-gain amplifiers |
| 12/08/2005 | US20050270083 Radio frequency switching circuit and semiconductor device using the same |
| 12/08/2005 | US20050270078 Delay value adjusting method and semiconductor integrated circuit |
| 12/08/2005 | US20050270071 Sampling signal amplifier |
| 12/08/2005 | US20050270010 Voltage-controlled current source capable of controlling output current by a wide range of control voltage |
| 12/08/2005 | US20050269631 Circuit for driving gate of power mosfet |
| 12/08/2005 | US20050269590 Semiconductor device |
| 12/08/2005 | DE102004024082A1 Eingangsschaltung zum Empfangen eines Eingangssignals sowie ein Verfahren zum Anpassen eines Arbeitspunktes einer Eingangsschaltung Input circuitry for receiving an input signal as well as a method for adjusting a bias point of an input circuit |
| 12/08/2005 | DE102004022991B3 Abtast-Differenzverstärker und Abtast-Verstärker Sample-and-difference amplifier and sample-and-amplifier |
| 12/07/2005 | EP1603231A1 RF generator with voltage regulator |
| 12/07/2005 | EP1603139A1 Apparatus and method to compensate errors in a sample and hold circuit |
| 12/07/2005 | EP1602996A1 Voltage-controlled current source capable of controlling output current by a wide range of control voltage |
| 12/07/2005 | EP1602260A2 Transducer assembly with modifiable buffer circuit and method for adjusting thereof |
| 12/07/2005 | EP1602173A1 Self zeroing for critical, continuous-time applications |
| 12/07/2005 | EP1425850A4 Circuits and methods for compensating switched mode amplifiers |
| 12/07/2005 | EP1374395B1 Travelling wave amplifiers |
| 12/07/2005 | CN1706097A Linear amplification device with a non-linear amplification element for a mobile radio device |
| 12/07/2005 | CN1706096A Predistortion linearizing |
| 12/07/2005 | CN1231104C Electrical component and connecting device and equipment including circuit module and at least one electrical component |
| 12/06/2005 | US6973334 Cellular telephone |
| 12/06/2005 | US6973290 Radio architecture |
| 12/06/2005 | US6972916 Preamplifier arranged in proximity of disk drive head |
| 12/06/2005 | US6972640 Directional coupler, high frequency circuit module and wireless communication system |
| 12/06/2005 | US6972630 Self-biased darlington amplifier |
| 12/06/2005 | US6972628 Integratable, voltage-controlled RF power amplifier |
| 12/06/2005 | US6972627 High frequency power amplifier module |
| 12/06/2005 | US6972626 High frequency power amplification electric part and wireless communication system |
| 12/06/2005 | US6972625 Variable transconductance variable gain amplifier utilizing a degenerated differential pair |
| 12/06/2005 | US6972624 Low-voltage high dynamic range variable-gain amplifier |
| 12/06/2005 | US6972623 Differential amplifier without common mode feedback |
| 12/06/2005 | US6972622 Optimization of error loops in distributed power amplifiers |
| 12/06/2005 | US6972620 Post amplifier array integrated circuit |
| 12/06/2005 | US6972617 FM demodulator including a DC offset detector |
| 12/06/2005 | US6972616 Low-noise, fast-settling bias circuit and method |
| 12/06/2005 | US6972601 Sense amplifier having synchronous reset or asynchronous reset capability |
| 12/06/2005 | US6972549 Bandgap reference circuit |
| 12/06/2005 | US6972427 Switching device for reconfigurable interconnect and method for making the same |
| 12/06/2005 | CA2389303C High-frequency amplifier |
| 12/01/2005 | WO2005114838A1 Method and apparatus having a digital pwm signal generator with integral noise shaping |
| 12/01/2005 | WO2005114834A1 Amplifier circuit with automatic gain correction |
| 12/01/2005 | WO2005114833A2 Self-oscillation switching amplifier |
| 12/01/2005 | WO2005114832A1 Medium voltage or high voltage audio power amplifier and protection circuit |
| 12/01/2005 | WO2005053150A3 An operational amplifier selecting one of inputs, and an amplifying apparatus using the op amplifier the verification method |
| 12/01/2005 | WO2005048300A3 Electronically programmable multimode circuit |
| 12/01/2005 | WO2004054093A3 Amplifier circuit having an impedance-controllable bias-boosting circuit |
| 12/01/2005 | US20050266810 Differential signal comparator |
| 12/01/2005 | US20050266809 Controlling transmission mode on basis of power in preceding time slot |
| 12/01/2005 | US20050264970 Power supply controller and method for controlling power supply circuit |
| 12/01/2005 | US20050264510 Drive circuit, operation state detection circuit, and display device |
| 12/01/2005 | US20050264365 Linearity enhanced amplifier |
| 12/01/2005 | US20050264364 Quadrature offset power amplifier |
| 12/01/2005 | US20050264363 Temperature compensated on-chip bias circuit for linear RF HBT power amplifiers |
| 12/01/2005 | US20050264362 Amplifier for amplifying a signal |
| 12/01/2005 | US20050264359 Programmable automatic signal amplitude control circuit |
| 12/01/2005 | US20050264358 High output current wideband output stage/buffer amplifier |
| 12/01/2005 | US20050264357 Gain boosted operational amplifier having a field effect transistor with a well biasing scheme |
| 12/01/2005 | US20050264356 Extended bandwidth amplifier and oscillator using positive current feedback through inductive load |
| 12/01/2005 | US20050264355 Method for generating a radio-frequency alternating voltage and an associated radio-frequency power amplifier |
| 12/01/2005 | US20050264354 Method and Apparatus for Reducing Ripple in Class D Amplifiers |
| 12/01/2005 | US20050264351 Transresistance amplifier for a charged particle detector |
| 12/01/2005 | US20050264350 Class D amplifier and a method of pulse width modulation |
| 12/01/2005 | US20050264349 Amplification apparatus, systems, and methods |
| 12/01/2005 | US20050264339 Transconductance amplifier with substantially constant resistance and mixer using same |
| 12/01/2005 | US20050264333 Efficient pulse amplitude modulation transmit modulation |
| 12/01/2005 | US20050264324 SOI sense amplifier with cross-coupled body terminal |
| 12/01/2005 | US20050264323 SOI sense amplifier with cross-coupled bit line structure |
| 12/01/2005 | US20050264322 SOI sense amplifier with pre-charge |
| 12/01/2005 | DE19821735B4 Leistungsverstärker Power amplifier |
| 12/01/2005 | DE10217855B4 Verfahren zum Verarbeiten von Burstmode-Empfängersignalen und Schaltungsanordnung zur Durchführung des Verfahrens A method for processing burst mode receiver signals and circuit arrangement for performing the method |
| 12/01/2005 | DE102005018344A1 Schaltvorrichtung für rekonfigurierbare Zwischenverbindung und Verfahren zum Herstellen derselben Switching device for reconfigurable interconnect and method of making same |