| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 07/07/2005 | US20050146369 Booster circuit |
| 07/07/2005 | US20050146364 Charge pump including a feedback device for use in a phase-locked loop |
| 07/07/2005 | DE19812069B4 Leistungsverstärker und Verfahren zum Erzeugen von Steuersignalen für einen Leistungsverstärker Power amplifier and method for generating control signals for a power amplifier |
| 07/07/2005 | DE102004053467A1 Verfahren und Schaltung zum Detektieren eines Fehlers und zugehöriger Leistungsverstärker Method and circuit for detecting a fault and associated power amplifier |
| 07/06/2005 | EP1550280A1 Apparatus, methods and articles of manufacture for pre-emphasis filtering of a modulated signal |
| 07/06/2005 | EP1550279A2 Electromagnetic wave trasmitter systems, methods and articles of manufacture |
| 07/06/2005 | EP1550230A2 Transmitter and method of transmission using separate phase and amplitude modulators |
| 07/06/2005 | EP1550212A2 Variable gain amplifier with improved control characteristics linearity |
| 07/06/2005 | EP1550211A1 Method for the adaptive pre-distortion of digital raw data values and device for carrying out said method |
| 07/06/2005 | EP1384317B1 A signal processing circuit |
| 07/06/2005 | EP1149467B1 Amplifier |
| 07/06/2005 | CN2708563Y Class H audio power amplifier |
| 07/06/2005 | CN2708562Y Vacuum processing apparatus for wireless microphone |
| 07/06/2005 | CN1636317A Variable gain amplifier with autobiasing supply regulation |
| 07/06/2005 | CN1636315A Current modulator with dynamic amplifier impedance compensation |
| 07/06/2005 | CN1635704A Power amplification module |
| 07/06/2005 | CN1209883C System and method for dynamically adjusting working bias of RF power amplifiers |
| 07/05/2005 | US6915118 Linear compensated amplifying equipment |
| 07/05/2005 | US6914992 System consisting of a microphone and a preamplifier |
| 07/05/2005 | US6914488 Broadband amplification apparatus for bandwidth expansion |
| 07/05/2005 | US6914486 System and method for improved bias matching |
| 07/05/2005 | US6914485 High voltage supply sensing high input resistance operational amplifier input stage |
| 07/05/2005 | US6914484 Wideband constant-gain voltage amplifier |
| 07/05/2005 | US6914483 High-frequency amplifier circuit |
| 07/05/2005 | US6914481 High frequency power amplifier apparatus and power amplifier module use the same |
| 07/05/2005 | US6914480 High frequency power amplifier and wireless communication module |
| 07/05/2005 | US6914479 Differential amplifier with DC offset cancellation |
| 07/05/2005 | US6914455 Signal amplitude limiting circuit and filter circuit |
| 07/05/2005 | US6913006 High-frequency ignition system for an internal combustion engine |
| 07/05/2005 | CA2273151C Efficient parallel-stage power amplifier |
| 06/30/2005 | WO2005060114A1 Activation signal output circuit |
| 06/30/2005 | WO2005060090A1 A power amplifier module and a time division multiple access radio |
| 06/30/2005 | US20050143942 Multi-channel amplifier having programmable operational characteristics controlled with a serial interface |
| 06/30/2005 | US20050141732 Amplifying apparatus |
| 06/30/2005 | US20050141640 Amplifying apparatus |
| 06/30/2005 | US20050140456 Variable-gain cascode amplifier using voltage-controlled and variable inductive load |
| 06/30/2005 | US20050140455 Power amplifying module |
| 06/30/2005 | US20050140454 Pre-amplifier for an optical communication |
| 06/30/2005 | US20050140453 Differential traveling wave driver amplifier |
| 06/30/2005 | US20050140450 Digital compensation for offset and gain correction |
| 06/30/2005 | US20050140449 Use of analog-valued floating-gate transistors for parallel and serial signal processing |
| 06/30/2005 | US20050140448 Use of analog-valued floating-gate transistors for parallel and serial signal processing |
| 06/30/2005 | US20050140447 Reconfigurable distributed active transformers |
| 06/30/2005 | US20050140445 Operational transconductance amplifier with DC offset elimination and low mismatch |
| 06/30/2005 | US20050140444 Differential amplifier |
| 06/30/2005 | US20050140443 Differential low noise amplifier with low power consumption |
| 06/30/2005 | US20050140442 Offset-compensated self-biased differential amplifier |
| 06/30/2005 | US20050140441 Body effect amplifier |
| 06/30/2005 | US20050140440 Electronic amplifier circuit |
| 06/30/2005 | US20050140435 R F output power control |
| 06/30/2005 | US20050140434 Inductor element containing circuit board and power amplifier module |
| 06/30/2005 | US20050140433 Switched-capacitor circuits with reduced finite-gain effect |
| 06/30/2005 | US20050140428 Low voltage cmos bandgap reference |
| 06/30/2005 | US20050140423 CMOS exponential function generating circuit with temperature compensation technique |
| 06/30/2005 | US20050140422 Switched capacitor circuit compensation apparatus and method |
| 06/30/2005 | US20050140412 Interpolation delay cell for 2ps resolution jitter injector in optical link transceiver |
| 06/30/2005 | US20050140399 Analog buffer and method for driving the same |
| 06/30/2005 | US20050140394 Semiconductor integrated circuit device and differential small-amplitude data transmission apparatus |
| 06/30/2005 | US20050139892 Repatterned integrated circuit chip package |
| 06/30/2005 | DE4300984B4 Bootstrap-MOSFET-Abtastschaltstufe Bootstrap MOSFET Abtastschaltstufe |
| 06/29/2005 | EP1549121A2 Inductor element containing circuit board and power amplifier module |
| 06/29/2005 | EP1548946A1 Digital to analog converter |
| 06/29/2005 | EP1548934A1 Fully differential push-pull amplifier |
| 06/29/2005 | EP1548933A1 Method of preventing abrupt voltage changes at the outputs of a pair of amplifiers and control circuit for a pair of amplifiers self-configuring in a bridge configuration |
| 06/29/2005 | EP1548932A1 Differential low noise amplifier with low power consumption |
| 06/29/2005 | EP1548928A1 High-frequency power amplifier |
| 06/29/2005 | EP1548536A1 Metal-oxide-semiconductor device having integrated bias circuit |
| 06/29/2005 | EP1547433A1 Audio amplifier with local interface system |
| 06/29/2005 | EP1547278A1 Signal, interference and noise power measurement |
| 06/29/2005 | EP1547251A2 Full bridge integral noise shaping for quantization of pulse width modulation signals |
| 06/29/2005 | EP1547246A2 Integrated circuit with automatic polarity detection and configuration |
| 06/29/2005 | EP1547241A2 Dc-compensation loop for variable gain amplifier |
| 06/29/2005 | EP1547240A1 Dual mode power amplifier having a common controller |
| 06/29/2005 | CN1633746A High-frequency amplifier circuit having a directly-connected bias circuit |
| 06/29/2005 | CN1633047A Light input preamplifier |
| 06/29/2005 | CN1208755C Wide-band back read using for data storage magnetoresistance head |
| 06/28/2005 | US6911867 Error amplifier and DC-DC converter and the method thereof |
| 06/28/2005 | US6911866 Method and device for switch-on current limiting in push-pull amplifying power stages |
| 06/28/2005 | US6911865 Method and system for producing a drive signal for a current steering amplifier |
| 06/28/2005 | US6911864 Circuit, including feedback, for reducing DC-offset and noise produced by an amplifier |
| 06/28/2005 | US6911858 Comparator with offset canceling function and D/A conversion apparatus with offset canceling function |
| 06/28/2005 | US6911644 Automatic gain control device for a burst-mode optical receiver |
| 06/28/2005 | CA2202464C Am-fm transmitter power amplifier using class-bc |
| 06/23/2005 | WO2005057815A1 Optical fiber radio transmission system, transmission device, and reception device |
| 06/23/2005 | WO2005057781A1 Compensating for load pull in electromagnetic signal propagation using adaptive impedance matching |
| 06/23/2005 | WO2005057780A1 Amplifier and communication apparatus |
| 06/23/2005 | WO2005057779A1 Eer modulator with power amplifier having feedback loop providing soft output impedance |
| 06/23/2005 | WO2005017942A3 High-frequency excitation system comprising a limiting circuit |
| 06/23/2005 | US20050136864 Radio frequency modulator and methods thereof |
| 06/23/2005 | US20050136847 Communication semiconductor integrated circuit device and electrical apparatus |
| 06/23/2005 | US20050135440 Excessive current input suppressing semiconductor laser light emitting circuit |
| 06/23/2005 | US20050134537 Current amplifying circuit with stabilized output voltage and liquid crystal display including the same |
| 06/23/2005 | US20050134390 Bias circuit for high frequency amplifiers |
| 06/23/2005 | US20050134388 Apparatus, methods and articles of manufacture for a dual mode amplifier |
| 06/23/2005 | US20050134387 Antenna diversity structure for use in a radio frequency integrated circuit |
| 06/23/2005 | US20050134386 Power amplifier input structure having a differential output |
| 06/23/2005 | US20050134384 Amplification device with a bias circuit |
| 06/23/2005 | US20050134383 Class AB enhanced transconductance source follower |
| 06/23/2005 | US20050134382 Amplifier circuit with common mode feedback |
| 06/23/2005 | US20050134381 Common mode feedback circuit for fully differential two-stage operational amplifiers |