| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 02/10/2000 | WO2000007293A1 A set-up method for a linearising circuit |
| 02/10/2000 | WO2000007292A1 Amplifier output stage |
| 02/10/2000 | WO2000007291A2 A method of attenuating zero crossing distortion and noise in an amplifier, an amplifier and uses of the method and the amplifier |
| 02/09/2000 | EP0978936A1 Isolator circuit |
| 02/09/2000 | EP0978163A1 Battery life extending technique for mobile wireless applications |
| 02/09/2000 | CN1244067A Shunt regulatable push-pull circuit with wide frequency range |
| 02/09/2000 | CN1244066A Power amplifier and control circuit thereof |
| 02/08/2000 | US6023612 Modular transmission system and method |
| 02/08/2000 | US6023611 Filter device for suppressing harmonics in radio frequency signals when dual frequencies exist |
| 02/08/2000 | US6023363 Optical transmission apparatus |
| 02/08/2000 | US6023196 Bias circuit for transconductance amplifier |
| 02/08/2000 | US6023195 On-chip source follower amplifier |
| 02/08/2000 | US6023194 Amplifier with reduced input capacitance |
| 02/08/2000 | US6023193 High power bridge amplifier |
| 02/08/2000 | US6023192 Dual gain amplifier circuit |
| 02/08/2000 | CA2222339C Self-calibration system for logarithmic amplifiers |
| 02/08/2000 | CA2200279C Field effect transistor amplifier |
| 02/03/2000 | WO2000005818A1 Cmos output amplifier independent of temperature, supply voltage and manufacturing quality of transistors |
| 02/03/2000 | WO2000005814A1 Differential comparator with stable switching threshold |
| 02/03/2000 | WO2000005808A1 High gain, impedance matching low noise rf amplifier circuit |
| 02/03/2000 | CA2338098A1 High gain, impedance matching low noise rf amplifier circuit |
| 02/02/2000 | EP0977358A2 An integrator circuit using an amplifier |
| 02/02/2000 | EP0977354A1 Amplifier for radio transmission |
| 02/02/2000 | EP0977353A2 A wide dynamic range transimpedance amplifier |
| 02/02/2000 | CN1243619A Compensation of delay in linearization loop of power amplifier |
| 02/02/2000 | CN1243616A Zero-delay slew-rate controlled output buffer |
| 02/02/2000 | CN1243614A High frequency amplifier and communication receiver or wireless transceiver |
| 02/01/2000 | US6021143 Dynamic control for laser diode drivers |
| 02/01/2000 | US6020848 Monolithic microwave integrated circuits for use in low-cost dual polarization phased-array antennas |
| 02/01/2000 | US6020789 High frequency amplifier, and a communication receiver or transceiver |
| 02/01/2000 | US6020788 Phanton-powered active direct box |
| 02/01/2000 | US6020787 Method and apparatus for amplifying a signal |
| 02/01/2000 | US6020786 Temperature compensation for variable gain amplifiers |
| 01/29/2000 | CA2278973A1 A fully integrated long time constant integrator circuit |
| 01/29/2000 | CA2278971A1 A wide dynamic range transimpedance amplifier |
| 01/26/2000 | EP0975089A2 Parallel HV mosfet high power stable amplifier |
| 01/26/2000 | EP0974810A2 Nonlinear current mirror for loop-gain control |
| 01/26/2000 | EP0974199A1 Class d amplifier with reduced clock requirement and related methods |
| 01/26/2000 | EP0974082A1 Output buffer having a predriver for compensating slew rate against process variations |
| 01/26/2000 | EP0656165B1 Using d-c feedback with on-chip filtering to balance i-f drive to second detector in monolithic ic |
| 01/26/2000 | CN1242647A High-gain amplifier |
| 01/26/2000 | CN1048833C Class AB push-pull drive circuit, drive method therefor and class AB electronic circuit using same |
| 01/25/2000 | US6018407 Optical receiving circuit |
| 01/25/2000 | US6018271 Amplifier circuit with wide dynamic range and low power consumption |
| 01/25/2000 | US6018270 Low voltage RF amplifier and mixed with single bias block and method |
| 01/25/2000 | US6018268 High speed and high gain operational amplifier |
| 01/25/2000 | US6018267 High output swing operational amplifier using low voltage devices |
| 01/20/2000 | WO2000003490A1 Mobile telephone system |
| 01/20/2000 | WO2000003489A1 Method for elaborating a transmission signal and transmitter with amplifying cells for implementing same |
| 01/20/2000 | WO2000003480A1 Distributed amplifier and method therefor |
| 01/20/2000 | WO2000003479A1 Arrangement and method relating to radio communication |
| 01/20/2000 | WO2000003478A1 High-frequency power amplifier module |
| 01/20/2000 | WO2000003477A1 System for enabling a full-bridge switch-mode amplifier to recover all reactive energy |
| 01/20/2000 | WO2000003476A1 Wide-bandwidth operational amplifier |
| 01/20/2000 | WO2000003474A2 Converter circuit and variable gain amplifier with temperature compensation |
| 01/20/2000 | DE19830193A1 Broad band amplifier for the transmission of video signal through cable |
| 01/19/2000 | EP0973199A2 Semiconductor device comprising a composite layer structure |
| 01/19/2000 | EP0972340A1 Automatic volume control in an audio-signal reproduction facility, and device required |
| 01/19/2000 | EP0972339A1 Power amplication system with intelligent control of amplifier modules |
| 01/19/2000 | CN1241881A Transmitter |
| 01/18/2000 | US6016379 Method and facility for equalizing an electric signal distorted due to interference in the optical domain |
| 01/18/2000 | US6016078 Low offset output stage for precision comparators |
| 01/18/2000 | US6016075 Class-D amplifier input structure |
| 01/13/2000 | WO2000002310A1 Improved exponential current generator and method |
| 01/13/2000 | WO2000002307A1 Semiconductor amplifier circuit and system |
| 01/13/2000 | WO2000002306A1 Power amplifier |
| 01/12/2000 | EP0971411A2 Semiconductor device |
| 01/12/2000 | EP0970561A1 Rail-to-rail operational amplifier |
| 01/12/2000 | EP0970523A1 Radio architecture |
| 01/12/2000 | CN1048374C Amplifier having maximum summed power output from plurality of devices having limited current sinking capability |
| 01/11/2000 | US6014097 Fully differential interpolating comparator bank and method |
| 01/11/2000 | US6014061 Front-end amplification circuit |
| 01/11/2000 | US6014057 Amplifier circuit with wide dynamic range and low power consumption |
| 01/11/2000 | US6014056 Power amplifier circuit with low degradation in the event of breakdowns |
| 01/11/2000 | US6014055 Class D amplifier with reduced clock requirement and related methods |
| 01/11/2000 | US6014054 Differential amplifier circuit and load driving circuit incorporating the differential amplifier circuit |
| 01/11/2000 | US6014053 Amplifier MOS biasing circuit for a avoiding latch-up |
| 01/11/2000 | US6014043 Current switching type switch circuit |
| 01/11/2000 | US6014020 Reference voltage source with compensated temperature dependency and method for operating the same |
| 01/06/2000 | WO2000001064A1 Driver amplifiers with low noise standby mode characteristics |
| 01/06/2000 | WO1999059241A3 A method of reducing distortion and noise of square-wave pulses, a circuit for generating minimally distorted pulses and use of method and circuit |
| 01/05/2000 | EP0969695A1 System consisting of a microphone and a preamplifier |
| 01/05/2000 | EP0969594A1 A common-mode feedback circuit and method |
| 01/05/2000 | EP0969593A1 Signal processor |
| 01/05/2000 | EP0968569A1 Power interface circuit for a tdma transmitter |
| 01/05/2000 | EP0968565A2 Pwm amplifier |
| 01/05/2000 | EP0585421B1 High dynamic range modulation independent feed forward amplifier network |
| 01/05/2000 | CN2357442Y Hi-Fi electronic tube earphone power amplifier |
| 01/05/2000 | CN1048125C Multi-stage solid state amplifier that emulates tube distorbion |
| 01/04/2000 | US6011446 RF/microwave oscillator having frequency-adjustable DC bias circuit |
| 01/04/2000 | US6011439 Low power RF amplifier |
| 01/04/2000 | US6011438 Push-pull wideband semiconductor amplifier |
| 01/04/2000 | US6011437 High precision, high bandwidth variable gain amplifier and method |
| 01/04/2000 | US6011436 Voltage conversion circuit and differential difference amplifier |
| 01/04/2000 | US6011435 Transmission-line loss equalizing circuit |
| 01/04/2000 | US6011433 Generalized procedure for the calibration of switched capacitor gain stages |
| 01/04/2000 | US6011427 High efficiency base current helper |
| 01/04/2000 | US6011417 Auto zero circuitry and associated method |
| 01/04/2000 | US6011415 Shock sensor circuitry and method for amplifying an input signal including leakage currents |
| 12/30/1999 | DE19927489A1 Antenna booster amplifier for digital radio |