| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 11/16/2005 | EP1596625A1 Circuit for the control of a loudspeaker |
| 11/16/2005 | EP1596346A1 Closed loop transmitter control for power amplifier in an eas system |
| 11/16/2005 | EP1595330A2 Dual band power amplifier with improved isolation |
| 11/16/2005 | EP1455445B1 Digital amplification device |
| 11/16/2005 | CN1698265A Logic low noise amplifier and amplification control method thereof |
| 11/16/2005 | CN1697563A Circuit for the control of a loudspeaker |
| 11/16/2005 | CN1697314A Sampling signal amplifier |
| 11/16/2005 | CN1696861A Constant voltage outputting circuit |
| 11/16/2005 | CN1227733C 半导体器件 Semiconductor devices |
| 11/15/2005 | US6965278 Amplifier circuit with active gain step circuit |
| 11/15/2005 | US6965270 Regulated cascode amplifier with controlled saturation |
| 11/15/2005 | US6965268 Common mode feedback circuit for fully differential two-stage operational amplifiers |
| 11/15/2005 | US6965267 Bipolar differential input stage with input bias current cancellation circuit |
| 11/15/2005 | US6965266 High voltage differential amplifier using low voltage devices |
| 11/15/2005 | US6965265 Driving apparatus in a liquid crystal display |
| 11/15/2005 | US6965256 Current mode output stage circuit with open loop DC offset reduction |
| 11/15/2005 | US6965255 Method and apparatus for amplifying a regulated differential signal to a higher voltage |
| 11/10/2005 | WO2005107063A1 Bypass circuit |
| 11/10/2005 | WO2005107062A2 Servo balancing among driver devices |
| 11/10/2005 | WO2005107061A1 Audio amplifier and speaker incorporating audio amplifier |
| 11/10/2005 | WO2005107060A2 Method and system for compensating for phase variations caused by transmitter activation |
| 11/10/2005 | WO2005085764A3 Series bridge circuit |
| 11/10/2005 | US20050251352 Measurement interface optimized for both differential and single-ended inputs |
| 11/10/2005 | US20050249310 Circuit for converting a differential signal into a non-differential signal, and RF transmitter comprising such a circuit |
| 11/10/2005 | US20050248479 Differential amplifier device, 2-stage amplifier device, and analog/digital converter device |
| 11/10/2005 | US20050248409 Selectable gain amplifier |
| 11/10/2005 | US20050248408 Ultra-wideband constant gain CMOS amplifier |
| 11/10/2005 | US20050248407 Traveling wave amplifier |
| 11/10/2005 | US20050248406 System to accelerate settling of an amplifier |
| 11/10/2005 | US20050248405 Differential circuit, amplifier circuit, driver circuit and display device using those circuits |
| 11/10/2005 | US20050248404 Variable-gain amplifier having error amplifier with constant loop gain |
| 11/10/2005 | US20050248402 Dual-band CMOS front-end with two gain modes |
| 11/10/2005 | US20050248401 Composite power amplifier |
| 11/10/2005 | US20050248400 Configurable input amplifier for position-measuring devices |
| 11/10/2005 | US20050248399 Class D amplifier |
| 11/10/2005 | US20050248398 Method and apparatus for self-oscillating differential feedback class-D amplifier |
| 11/10/2005 | US20050248396 Novel VGA-CTF combination cell for 10 GB/S serial data receivers |
| 11/10/2005 | US20050248391 Constant-voltage circuit |
| 11/10/2005 | US20050248378 Method of generating a pulsed output signal from a periodic ramp signal and a reference voltage, and a switch mode power converter |
| 11/10/2005 | US20050248371 Current to voltage amplifier |
| 11/10/2005 | US20050248329 Current voltage converter circuit |
| 11/10/2005 | DE102004018355A1 Signal processing circuit for temperature compensation in differential amplifier wireless circuits has control to adjust geometrical parameters according temperature derived signal |
| 11/10/2005 | DE10127786B4 Bipolarer Stromverstärkerschaltung Bipolar power amplifier circuit |
| 11/10/2005 | DE10000319B4 Hochfrequenz-Leistungsverstärker High frequency power amplifier |
| 11/09/2005 | EP1594274A2 Removal of a common mode voltage in a differential receiver |
| 11/09/2005 | EP1594273A2 Removal of a common mode voltage in a differential receiver |
| 11/09/2005 | EP1594272A2 Removal of a common mode voltage in a differential receiver |
| 11/09/2005 | EP1594225A1 Method and apparatus for self-oscillating differential feedback class-D amplifier |
| 11/09/2005 | EP1594224A1 Class D amplifier |
| 11/09/2005 | EP1594223A1 Class D amplifier |
| 11/09/2005 | EP1593203A2 Modulation of a digital input signal using a digital signal modulator and signal splitting |
| 11/09/2005 | EP1396080B1 Mmic driver amplifier having zig-zag rf signal flow |
| 11/09/2005 | EP1316005B1 Current mirror circuit |
| 11/09/2005 | CN1695370A Automatically setting an operative state of a wideband amplifier |
| 11/09/2005 | CN1695297A Power amplifying device for communication system |
| 11/09/2005 | CN1695296A Power amplifying device |
| 11/09/2005 | CN1694354A Method and apparatus for self-oscillating differential feedback class-D amplifier |
| 11/09/2005 | CN1694353A Class D amplifier |
| 11/09/2005 | CN1694352A Class D amplifier |
| 11/09/2005 | CN1694351A Signal amplifier |
| 11/09/2005 | CN1694350A Class-D amplifier |
| 11/08/2005 | US6963498 Bootstrap capacitor refresh circuit |
| 11/08/2005 | US6963297 Delta-sigma digital-to-analog converter assembly |
| 11/08/2005 | US6963251 High noise rejection voltage-controlled ring oscillator architecture |
| 11/08/2005 | US6963247 Gain stabilization technique for narrow band integrated low noise amplifiers |
| 11/08/2005 | US6963246 Wideband amplifier |
| 11/08/2005 | US6963245 System and method to accelerate settling of an amplifier |
| 11/08/2005 | US6963244 Common mode linearized input stage and amplifier topology |
| 11/08/2005 | US6963241 Method and apparatus for increasing the efficiency of a transmitter |
| 11/08/2005 | US6963238 Level shift circuit |
| 11/08/2005 | US6963237 Output circuit device for clock signal distribution in high-speed signal transmission |
| 11/08/2005 | US6963189 Attenuation control for digital power converters |
| 11/03/2005 | WO2005104359A2 Travelling wave amplifier |
| 11/03/2005 | WO2005104358A1 Differential stage voltage offset trim circuitry |
| 11/03/2005 | WO2005104357A1 High speed rail to rail phase splitter for providing a symmetrical differential output signal having low skew |
| 11/03/2005 | WO2005104356A1 High speed differential receiver with rail to rail common mode operation having a symmetrical differential output signal with low skew |
| 11/03/2005 | WO2005104355A1 Method and apparatus for doherty amplifier biasing |
| 11/03/2005 | WO2005104352A1 Amplifier, information communication device and amplifying method |
| 11/03/2005 | WO2005104351A2 Multi-band low noise amplifier system |
| 11/03/2005 | WO2005104350A1 Television switch module |
| 11/03/2005 | WO2005104349A1 Signal output circuit, audio signal output apparatus using the same, and electronic device |
| 11/03/2005 | US20050245213 Communication apparatus |
| 11/03/2005 | US20050245212 Electronic component for amplifying high frequency power and radio communication system |
| 11/03/2005 | US20050243945 Method for generating a signal with a definable pulse shape |
| 11/03/2005 | US20050242975 Self-powered digital audio devices |
| 11/03/2005 | US20050242887 Low noise amplifier |
| 11/03/2005 | US20050242886 Differential/single-ended input stage |
| 11/03/2005 | US20050242885 Smart voltage rail reduction audio amplifier |
| 11/03/2005 | US20050242881 Variable gain amplifier with improved control characteristics linearity |
| 11/03/2005 | US20050242879 Transmission arrangement and method for operating an amplifier in a transmission arrangement |
| 11/03/2005 | US20050242878 Method and Apparatus for Extending the Bandwidth of a Class D Amplifier Circuit |
| 11/03/2005 | US20050242877 Distortion compensating and power amplifying apparatus |
| 11/03/2005 | US20050242874 Operational transconductance amplifier input driver for class D audio amplifiers |
| 11/03/2005 | US20050242866 Programmable logic device having an embedded differential clock tree |
| 11/03/2005 | US20050242839 Signal amplifier |
| 11/03/2005 | US20050242337 Switching device for reconfigurable interconnect and method for making the same |
| 11/03/2005 | DE102004018986B3 Verfahren zur Erzeugung eines Signals mit einem vorgebbaren Pulsdach A method for generating a signal with a predeterminable pulse roof |
| 11/03/2005 | DE102004017528A1 Sendeanordnung und Verfahren zum Betreiben eines Verstärkers in einer Sendeanordnung Transmitting arrangement and method for operating an amplifier in a transmission arrangement |
| 11/02/2005 | EP1592132A1 Switch apparatus, switchable power amplification apparatus, and mobile communication terminal apparatus |
| 11/02/2005 | EP1592128A1 High-frequency amplifier |