| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 04/08/2004 | US20040066228 Class-D amplifier with digital feedback |
| 04/08/2004 | US20040065876 Photosensitive device with low power consumption |
| 04/08/2004 | DE19753835B4 Näherungsfühler mit schnellem Empfangsverstärker Proximity sensor with fast receiver amplifier |
| 04/08/2004 | DE19713101B4 Mehrstufige Verstärkerschaltung mit variabler Verstärkung The multistage amplifier circuit having variable gain |
| 04/07/2004 | EP1406382A2 Low noise amplifier with fixed loss bypass |
| 04/07/2004 | EP1406381A1 Class-D amplifier with digital feedback |
| 04/07/2004 | EP1405407A1 Amplifier switch |
| 04/07/2004 | EP1405403A1 Self-biased cascode rf power amplifier in sub-micron |
| 04/07/2004 | EP1405402A2 Compact cascode radio frequency cmos power amplifier |
| 04/07/2004 | EP1405401A1 Linear amplifier using non-linear cmos capacitors |
| 04/07/2004 | EP1405400A2 Interface circuit for connecting to an output of a frequency converter |
| 04/07/2004 | EP1163741A4 Multiplexed power amplifiers for satellite communication system |
| 04/07/2004 | EP1142106B1 Amplifier circuit |
| 04/07/2004 | CN2610564Y Power line carrier power amplifier |
| 04/07/2004 | CN1488190A High frequency power amplifier and power amplifier module utilizing the same |
| 04/07/2004 | CN1487759A 发送机 Transmitter |
| 04/07/2004 | CN1487666A Comparer circuit |
| 04/07/2004 | CN1487665A Class-D power amplifier with voltage controlled switching power supply |
| 04/07/2004 | CN1487587A Electric current mirror image circuit and light signal circuit utilizing the same |
| 04/07/2004 | CN1487384A Electric voltage regulator |
| 04/07/2004 | CN1145379C Method and device for amplifying transmission power |
| 04/07/2004 | CN1145258C Bias circuit for RF power amplifier |
| 04/07/2004 | CN1145217C Field effect transistor and power amplifier including the same |
| 04/07/2004 | CN1145212C Semiconductor integrated circuit |
| 04/06/2004 | US6717492 Planar dielectric integrated circuit with line conversion conductor patterns |
| 04/06/2004 | US6717474 High-speed differential to single-ended converter |
| 04/06/2004 | US6717473 Method of forming an audio amplifier voltage reference and structure therefor |
| 04/06/2004 | US6717472 Electronic circuit comprising an amplifier with improved transient speed |
| 04/06/2004 | US6717470 Voltage amplifier with output stages having high capacitive load tolerance |
| 04/06/2004 | US6717469 Gain control circuit for controlling a gain in a variable gain cell |
| 04/06/2004 | US6717468 Dynamically biased full-swing operation amplifier for an active matrix liquid crystal display driver |
| 04/06/2004 | US6717467 Wideband differential amplifier comprising a high frequency gain-drop compensator device |
| 04/06/2004 | US6717463 Circuit for linearizing electronic devices |
| 04/06/2004 | US6717461 Circuits with dynamic biasing |
| 04/06/2004 | US6717451 Precision analog level shifter with programmable options |
| 04/06/2004 | US6717444 Low power latch sense amplifier |
| 04/06/2004 | US6717443 Method and apparatus for mitigating the hysteresis effect in a sensing circuit |
| 04/01/2004 | WO2004027986A2 Dc-compensation loop for variable gain amplifier |
| 04/01/2004 | WO2004027985A2 Photodetector arrangement and method for stray light compensation |
| 04/01/2004 | WO2004027827A2 Integrated circuit with automatic polarity detection and configuration |
| 04/01/2004 | WO2004001960A8 Single conversion isolated impedance transformation amplifier |
| 04/01/2004 | WO2003096525B1 Polyphase impedance transformation amplifier |
| 04/01/2004 | WO2003034391A3 Method and system for adjusting the voltage of a precharge circuit |
| 04/01/2004 | US20040062303 Full bridge integral noise shaping for quantization of pulse width modulation signals |
| 04/01/2004 | US20040062182 Optical disk pickup using current mode signal exchanges and systems and methods using the same |
| 04/01/2004 | US20040061637 Sample-and-hold amplifier circuit and pipelined A/D and D/A converters using sample hold amplification circuit |
| 04/01/2004 | US20040061568 Power splitter/combiner circuit, high power amplifier and balun circuit |
| 04/01/2004 | US20040061557 Amplifier power control circuit |
| 04/01/2004 | US20040061556 Operational amplifier with self control circuit for realizing high slew rate throughout full operating range |
| 04/01/2004 | US20040061553 Signal amplifier |
| 04/01/2004 | US20040061552 Class D amplifier |
| 04/01/2004 | US20040061544 Mixer circuit and differential amplifier circuit |
| 04/01/2004 | US20040061532 Differntial output circuit for improving bandwidth |
| 04/01/2004 | US20040061137 Integrated circuit beta compensator for external interface circuitry |
| 04/01/2004 | DE10243157A1 Operational amplifier circuit for implementing extreme-value function, has differential output stage comprising transistors which have identical physical characteristics |
| 03/31/2004 | EP1402638A1 A method and an arrangement relating to telecommunications systems |
| 03/31/2004 | EP1402629A2 Apparatus and method for tuning an inter-stage matching network of an integrated multistage amplifier |
| 03/31/2004 | EP1402628A2 Stability enhanced multistage power amplifier |
| 03/31/2004 | EP1402625A1 Composite amplifier with optimized linearity and efficiency |
| 03/31/2004 | EP1276228A8 Method and apparatus for signal stabilization |
| 03/31/2004 | EP0927453A4 Three state output method and apparatus for high speed amplifiers |
| 03/31/2004 | CN1486531A Dynamic allocation of power supplied by a power supply and frequency agile spectral filtering of signals |
| 03/31/2004 | CN1485979A Multi-level output circuit |
| 03/31/2004 | CN1144355C Signal amplifying circuit having capacitor with top and bottom surface of different area |
| 03/31/2004 | CN1144187C Equipment for scanning optical recording medium |
| 03/30/2004 | US6714082 Semiconductor amplifier circuit |
| 03/30/2004 | US6714079 Differential amplifier with gain substantially independent of temperature |
| 03/30/2004 | US6714078 Sensor structures and methods for reduction of differential-heating signal errors in integrated circuits |
| 03/30/2004 | US6714077 Operational amplifier having large output current with low supply voltage |
| 03/30/2004 | US6714076 Buffer circuit for op amp output stage |
| 03/30/2004 | US6714075 Variable gain amplifier and filter circuit |
| 03/30/2004 | US6714070 Differential charge amplifier with built-in testing for rotation rate sensor |
| 03/30/2004 | US6714069 Self-configurable amplifier circuit |
| 03/30/2004 | US6714068 Circuit configuration with selectively operating amplifiers |
| 03/30/2004 | US6714063 Current pulse receiving circuit |
| 03/30/2004 | US6713848 Output stage layout for minimum cross coupling between channels |
| 03/30/2004 | US6713749 Monolithic loss-of-signal detect circuitry |
| 03/25/2004 | WO2004025828A2 Radio frequency power amplifier device |
| 03/25/2004 | WO2004025827A2 Transconductance amplifiers |
| 03/25/2004 | WO2004001966A3 Sensor circuit |
| 03/25/2004 | WO2003075455A3 Amplifier circuits and their use in radio frequency transmitters |
| 03/25/2004 | WO2003069774A3 A-ab transconductor |
| 03/25/2004 | WO2003049145A3 Switched-mode power amplifier integrally performing power combining |
| 03/25/2004 | WO2002054583A3 Rf power amplifier with distributed bias circuit |
| 03/25/2004 | US20040060026 Thermal protection system for an output stage of an amplifier |
| 03/25/2004 | US20040059528 Semiconductor having reduced configuration pins and method thereof |
| 03/25/2004 | US20040056733 Self-tuned matching network for high efficient power amplifiers |
| 03/25/2004 | US20040056730 Tunable voltage controlled oscillator |
| 03/25/2004 | US20040056723 High-frequency power amplifier |
| 03/25/2004 | US20040056718 DC-compensation loop for variable gain amplifier |
| 03/25/2004 | US20040056716 High-speed output transconductance amplifier capable of operating at different voltage levels |
| 03/25/2004 | US20040056715 Common-mode and differential-mode compensation for operational amplifier circuits |
| 03/25/2004 | US20040056714 Multi-level output circuit |
| 03/25/2004 | US20040056713 Operational amplifier arrangement |
| 03/25/2004 | US20040056712 Variable gain low noise amplifier |
| 03/25/2004 | US20040056710 Microwave amplifier with bypass segment |
| 03/25/2004 | US20040056691 Comparator with hysteresis |
| 03/25/2004 | US20040056689 Method and structure for integrated circuit interference isolation enhancement |
| 03/25/2004 | US20040056181 DC offset cancellation circuit, differential amplification circuit with DC offset cancellation circuit, photo-electric pulse conversion circuit, pulse shaping circuit, and pulse generation circuit |
| 03/24/2004 | EP1401239A2 Heat Transfer in Audio Device |