| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 09/30/2004 | US20040189398 Bias circuit for providing a constant bias current to a power amplifier |
| 09/30/2004 | US20040189397 High speed high gain amplifier |
| 09/30/2004 | US20040189396 Amplifier circuit |
| 09/30/2004 | US20040189395 Apparatus, methods and articles of manufacture for processing an electromagnetic wave |
| 09/30/2004 | US20040189394 Power amplifier |
| 09/30/2004 | US20040189392 Voltage control circuit for common mode voltage and method for controlling the same |
| 09/30/2004 | US20040189391 Apparatus and method for reducing common-mode current in differential link |
| 09/30/2004 | US20040189390 Current mode switch capacitor circuit |
| 09/30/2004 | US20040189389 Operational amplifier having large output current with low supply voltage |
| 09/30/2004 | US20040189388 Variable transconductance variable gain amplifier utilizing a degenerated differential pair |
| 09/30/2004 | US20040189387 Frequency characteristics-variable amplifying circuit and semiconductor integrated circuit device |
| 09/30/2004 | US20040189386 Differential amplifier operable in wide range |
| 09/30/2004 | US20040189385 Operational amplifier with fast rise time |
| 09/30/2004 | US20040189382 Gain control methods and systems in an amplifier assembly |
| 09/30/2004 | US20040189381 High efficiency amplifier and method of designing same |
| 09/30/2004 | US20040189380 High efficiency amplifier |
| 09/30/2004 | US20040189379 Power amplification circuit and communication device using the same |
| 09/30/2004 | US20040189378 High-efficiency linear power amplifier |
| 09/30/2004 | US20040189377 PWM digital amplifier with high-order loop filter |
| 09/30/2004 | US20040189374 Bias voltage generating circuit, amplifier circuit, and pipelined AD converter capable of switching current driving capabilities |
| 09/30/2004 | US20040189369 Offset compensation circuit compensating for offset voltage of drive circuit as well as drive circuit with offset-compensation capability and liquid-crystal dispaly device using the offset compensation circuit |
| 09/30/2004 | US20040189349 Device and method for converting an input signal |
| 09/30/2004 | US20040189149 Transconductance circuit for piezoelectric transducer |
| 09/30/2004 | US20040188761 Source follower circuit or bootstrap circuit, driver circuit comprising such circuit, and display device comprising such driver circuit |
| 09/29/2004 | EP1463204A1 A method of impulse acreage modulation digital power processing and its device |
| 09/29/2004 | EP1463202A1 Random sequence generator |
| 09/29/2004 | EP1463199A1 Noise generator |
| 09/29/2004 | EP1463198A2 High-efficiency linear power amplifier |
| 09/29/2004 | EP1461863A2 Differential amplifier circuit for regenerating complementary digital signals |
| 09/29/2004 | EP1461859A2 Power amplifier |
| 09/29/2004 | EP1352467B1 Low noise fully differential amplifier |
| 09/29/2004 | EP0916182A4 High-gain common-emitter output stage |
| 09/29/2004 | CN1533661A Line driver for digital signal transmission |
| 09/29/2004 | CN1533632A Method and apparatus for error compensation in hybrid matrix amplification system |
| 09/29/2004 | CN1533028A High efficiency linear power amplifier |
| 09/29/2004 | CN1533026A Bias voltage forming circuit, amplifying circuit, streamline type AD adaptor |
| 09/29/2004 | CN1169289C Level shift circuit |
| 09/29/2004 | CN1169287C High efficiency amplifier having amplifying device and radio communication device |
| 09/29/2004 | CN1169156C Semiconuctor memory device provide with interface circuit consuming reduced amount of current consumption |
| 09/28/2004 | US6799027 Amplifier circuit |
| 09/28/2004 | US6799020 Parallel amplifier architecture using digital phase control techniques |
| 09/28/2004 | US6798848 Architecture for multi-carrier receiver |
| 09/28/2004 | US6798597 Write channel having preamplifier and non-uniform transmission line |
| 09/28/2004 | US6798295 Single package multi-chip RF power amplifier |
| 09/28/2004 | US6798294 Amplifier with multiple inputs |
| 09/28/2004 | US6798293 Digitally controlled variable offset amplifier |
| 09/28/2004 | US6798292 Highly linear low voltage rail-to-rail input/output operational amplifier |
| 09/28/2004 | US6798291 Variable gain current amplifier with a feedback loop including a differential pair |
| 09/28/2004 | US6798290 Translinear variable gain amplifier |
| 09/28/2004 | US6798288 Receive band rejection for a digital RF amplifier |
| 09/28/2004 | US6798286 Gain control methods and systems in an amplifier assembly |
| 09/28/2004 | US6798284 Variable-impedance reference circuit and varying method |
| 09/28/2004 | US6798282 Method and system for transimpedance amplifiers with high current input while maintaining high transimpedance gain and bandwidth |
| 09/28/2004 | US6798281 Two-input/two-output broadband active selector switch with distributed structure, and phase control device comprising such a switch |
| 09/28/2004 | US6798280 Charge recycling amplifier for a high dynamic range CMOS imager |
| 09/28/2004 | US6798273 Linear power conversion circuit |
| 09/28/2004 | US6798268 Single-ended differential circuit using complementary devices |
| 09/28/2004 | US6798245 Current mirror circuit |
| 09/23/2004 | WO2004082324A2 Transducer asembly with modifiable buffer circuit and method for adjusting thereof |
| 09/23/2004 | WO2004082133A1 Three state class d amplifier |
| 09/23/2004 | WO2004082132A1 Super-speed high effective amplifier |
| 09/23/2004 | WO2004081688A1 Current mirror |
| 09/23/2004 | WO2004062089A3 Delta-sigma amplifiers with output stage supply voltage variation compensation and methods and digital amplifier systems using the same |
| 09/23/2004 | WO2004062088A3 Power amplifier circuit and method using bandlimited signal component estimates |
| 09/23/2004 | US20040186602 Multi-chip PWM synchronization and communication |
| 09/23/2004 | US20040185805 LINC power transmitter |
| 09/23/2004 | US20040184627 Systems and methods for protection of audio amplifier circuits |
| 09/23/2004 | US20040184621 Clip detection in PWM amplifier |
| 09/23/2004 | US20040184572 Output stage synchronization |
| 09/23/2004 | US20040184387 Photoreceptive amplifier circuit and optical pickup element including the same |
| 09/23/2004 | US20040183772 Analog buffer circuit, display device, and mobile terminal |
| 09/23/2004 | US20040183715 Current source modulator |
| 09/23/2004 | US20040183600 Electronic circuit comprising an amplifier for amplifying a binary signal |
| 09/23/2004 | US20040183599 Variable impedance circuit, variable gain differential amplifier, multiplier, high-frequency circuit and differential distributed amplifier |
| 09/23/2004 | US20040183598 Method for transconductance linearization for DC-coupled applications |
| 09/23/2004 | US20040183597 Differential input circuit |
| 09/23/2004 | US20040183596 Communication system and arrangements comprising such a communication system |
| 09/23/2004 | US20040183593 Power amplification apparatus of portable terminal |
| 09/23/2004 | US20040183592 Feedback network and amplifier and/or converter circuit with a feedback network |
| 09/23/2004 | US20040183591 Amplifier modulation |
| 09/23/2004 | US20040183579 Output control apparatus of pulse width modulator |
| 09/23/2004 | US20040183398 Amplifier for converting charge signal |
| 09/23/2004 | DE10306052A1 High frequency amplifier with working point adjustment circuit has low pass filter connected between control connections of main transistor and of auxiliary transistor for working point adjustment |
| 09/23/2004 | DE10054540B4 Verstärkerschaltung, insbesondere Leitungstreiber und Verfahren zur Verstärkung eines Signals, insbesondere Verfahren zum Treiben eines Leitungssignals Amplifier circuit, in particular line driver and method for amplifying a signal, in particular to methods of driving a line signal |
| 09/22/2004 | EP1460574A1 Multiplier |
| 09/22/2004 | EP1460402A2 Amplifier for converting charge signal |
| 09/22/2004 | EP1459442A2 Integrated circuit with an amplifier |
| 09/22/2004 | EP1459440A1 Esd protection circuit for use in rf cmos ic design |
| 09/22/2004 | EP1459439A1 Amplifier with bias compensation using a current mirror circuit |
| 09/22/2004 | EP1328962A4 Amplified cmos transducer for single photon read-out of photodetectors |
| 09/22/2004 | EP1142107B1 Active differential to single-ended converter |
| 09/22/2004 | EP1086528B1 Dual band transmitter |
| 09/22/2004 | CN1531776A Circuit for linearizing electronic devices |
| 09/22/2004 | CN1531775A Multistage amplifier and integrated circuit |
| 09/22/2004 | CN1531194A Semiconductor devices |
| 09/22/2004 | CN1531193A Distortion detector and high-frequency amplifier therewith |
| 09/22/2004 | CN1531192A Offset current supplying circuit and amplifying circuit |
| 09/22/2004 | CN1531191A Superhigh speed high-efficient amplifier |
| 09/22/2004 | CN1530914A Current driver |
| 09/22/2004 | CN1168205C Active differential to single-ended converter |