| Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
|---|
| 12/17/2009 | US20090309655 Power amplifier |
| 12/17/2009 | US20090309653 Chopper stabilized amplifier |
| 12/17/2009 | US20090309591 Displaced electrode amplifier |
| 12/16/2009 | EP2132872A1 Amplifier pre-distortion systems and methods |
| 12/16/2009 | EP2132871A1 Signal processor comprising a reference voltage circuit |
| 12/16/2009 | CN201365228Y Pure post power amplifier with high fidelity, high linearity and broad frequency band |
| 12/16/2009 | CN101606315A Power amplifier time-delay invariant predistortion methods and apparatus |
| 12/16/2009 | CN101606314A UWB amplifier |
| 12/16/2009 | CN100571025C Differential stage voltage offset trim circuitry |
| 12/16/2009 | CN100571023C A self-adapted pre-distortion method and system for broadband linear power amplifier |
| 12/16/2009 | CN100571022C Color sensing circuit employing charge storage device |
| 12/16/2009 | CN100571021C Filterless class D power amplifier |
| 12/15/2009 | US7634311 Method, device and computer program product for filtering an EMG signal out of a raw signal |
| 12/15/2009 | US7634244 Variable-gain low noise amplifier for digital terrestrial applications |
| 12/15/2009 | US7634198 In-line distortion cancellation circuits for linearization of electronic and optical signals with phase and frequency adjustment |
| 12/15/2009 | US7634096 Amplifier circuit for capacitive transducers |
| 12/15/2009 | US7633386 Amplifier for multi-use of single environmental sensor |
| 12/15/2009 | US7633344 Low noise amplifier and differential amplifier |
| 12/15/2009 | US7633338 Compensation circuit for amplifiers having multiple stages |
| 12/15/2009 | US7633337 Feedback-type variable gain amplifier and method of controlling the same |
| 12/15/2009 | CA2487817C Satellite twta on-line non-linearity measurement |
| 12/10/2009 | WO2009147770A1 Clock signal amplifier circuit |
| 12/10/2009 | US20090305647 Communication transceiver having a three-line balun with power amplifier bias |
| 12/10/2009 | US20090302948 Post amplifier with selectable gain |
| 12/10/2009 | US20090302941 Joint optimisation of supply and bias modulation |
| 12/10/2009 | US20090302940 Predistortion with sectioned basis functions |
| 12/10/2009 | US20090302939 Power amplifier with digital pre-distortion |
| 12/10/2009 | US20090302936 Amplifiers using gated diodes |
| 12/10/2009 | US20090302357 Amplifiers using gated diodes |
| 12/10/2009 | DE202009009235U1 AV-Verstärker mit Plug & Play Funktion in Miniausführung AV amplifier with Plug & Play function in mini version |
| 12/09/2009 | EP2131492A1 Rf amplification device |
| 12/09/2009 | EP2131491A1 Predistortion with sectioned basis functions |
| 12/09/2009 | EP2131490A1 Distortion correction control apparatus and distortion correction control method |
| 12/09/2009 | EP2130297A1 Frequency selective amplifier with wide-band impedance and noise matching |
| 12/09/2009 | EP2130296A1 Linearization of rf power amplifiers using an adaptive subband predistorter |
| 12/09/2009 | EP1511181B1 Distortion compensator |
| 12/09/2009 | CN201360240Y 2.4 GHz bidirectional 1 Watt linear power controller (LPC) |
| 12/09/2009 | CN101601184A Power voltage forming device and polar modulation transmission device |
| 12/09/2009 | CN101599743A Baran impedance converter for radio frequency pull-push power amplifier |
| 12/09/2009 | CN101599742A Amplifier and offset regulating circuit |
| 12/09/2009 | CN101599741A Frequency compensated operational amplifier |
| 12/09/2009 | CN100568864C Digital predistortion linearized processing equipment and power detecting method thereof |
| 12/09/2009 | CN100568713C Compensated operational amplification circuit and related method |
| 12/09/2009 | CN100568710C Power amplifying apparatus, power combining system and delay measuring method for power combining system |
| 12/09/2009 | CN100568709C Electric circuit and method for adjusting input signal attribute of nonlinear element |
| 12/08/2009 | US7630865 Complex analysis of kinematics for non-hyperbolic moveout corrections |
| 12/08/2009 | US7629851 High frequency power amplifier circuit and electronic component for high frequency power amplifier |
| 12/08/2009 | US7629843 Parallel power amplifier and associated methods |
| 12/08/2009 | US7629839 Preamplifier and method for calibrating offset voltages therein |
| 12/08/2009 | US7629838 Ratio-independent switched capacitor amplifiers and methods of operating ratio-independent switched capacitor amplifiers |
| 12/03/2009 | WO2009146440A1 Reduced power-consumption transmitters |
| 12/03/2009 | WO2009146133A2 High-voltage impulse amplifier |
| 12/03/2009 | WO2009145957A1 Compensating for non-linear capacitance effects in a power amplifier |
| 12/03/2009 | WO2009145283A1 Distortion compensation circuit and distortion compensation method |
| 12/03/2009 | WO2009145273A1 Transimpedance amplifier, regulated type transimpedance amplifier, and optical receiver |
| 12/03/2009 | WO2009117982A3 Method and device for compensating amplification variations in an amplifier circuit |
| 12/03/2009 | WO2009106827A3 Reducing the distortion of applied modulation |
| 12/03/2009 | US20090295480 Amplifier circuit |
| 12/03/2009 | US20090295477 Ahuja compensation circuit for operational amplifier |
| 12/03/2009 | US20090295475 Transformer-capacitor enhancement circuitry for power amplifiers |
| 12/03/2009 | US20090295472 Switch-around low noise amplifier |
| 12/03/2009 | DE102008025229A1 Control unit's e.g. amplifier, transmission characteristic linearizing method, involves using extracted direct current voltage-output-signal for determining amplification or attenuation of control unit |
| 12/03/2009 | DE102004015611B9 Vorrichtung und Verfahren zur Offset-Kompensation Apparatus and method for offset compensation |
| 12/02/2009 | EP2128997A2 Distortion compensating apparatus, wireless communication apparatus, and distortion compensating method |
| 12/02/2009 | EP2128991A2 Method for compensating the non-linear distortions of high-frequency signals and device for carrying out sait method |
| 12/02/2009 | EP2127131A1 Radio communications using scheduled power amplifier backoff |
| 12/02/2009 | EP2127071A2 Error correction system for a class-d power stage |
| 12/02/2009 | EP2127069A1 Linear transconductor for rf communications |
| 12/02/2009 | CN101595638A Bias circuit and semiconductor integrated circuit using the same |
| 12/02/2009 | CN101595634A Short circuit protection circuit |
| 12/02/2009 | CN101594337A Device for generating pre-distorted signals |
| 12/02/2009 | CN101594326A Pre-distorted radio frequency amplifier |
| 12/02/2009 | CN101594325A Linearization method for pre-distorted radio frequency amplifier |
| 12/02/2009 | CN101594324A Method for generating pre-distorted signals |
| 12/02/2009 | CN101594157A Distortion compensating apparatus, wireless communication apparatus, and distortion compensating method |
| 12/02/2009 | CN101594117A High-efficiency ultralinear DFFA mobile digital television and mobile broadband communication power amplifier |
| 12/02/2009 | CN100566323C Frequency-dependent magnitude pre-distortion for reducing spurious emissions in communication networks |
| 12/02/2009 | CN100566312C Digital pre-distortion for the linearization of power amplifiers with asymmetrical characteristics |
| 12/02/2009 | CN100566144C Transistor arrangement, integrated circuit and method for operating field effect transistors |
| 12/02/2009 | CN100566143C Operational amplifier and analog-to-digital converter |
| 12/02/2009 | CN100566142C Digital analog circuit, digital driver and display device |
| 12/02/2009 | CN100566140C Microphone preamplifier |
| 12/02/2009 | CN100566139C Audio frequency apparatus and silencing apparatus |
| 12/02/2009 | CN100566137C Adaptation of IQ-error compensation |
| 12/02/2009 | CN100566136C Adaptive predistortion method and device |
| 12/02/2009 | CN100566133C Equipment and method for amplifying input signal with input signal power |
| 12/01/2009 | US7627293 Strategic predistortion function selection |
| 12/01/2009 | US7626455 Distortion compensation apparatus |
| 12/01/2009 | US7626453 Nested transimpedance amplifier |
| 11/26/2009 | WO2009143480A1 Amplifier with improved linearization |
| 11/26/2009 | WO2009142683A1 Cube coordinate subspaces for nonlinear digital predistortion |
| 11/26/2009 | US20090289719 Preserving Linearity of a RF Power Amplifier |
| 11/26/2009 | US20090289708 Predictive feedback compensation for PWM switching amplifiers |
| 11/26/2009 | US20090289707 Distortion compensation apparatus and method |
| 11/26/2009 | US20090289706 Cube coordinate subspaces for nonlinear digital predistortion |
| 11/26/2009 | US20090289703 Offset cancellation circuit and display device |
| 11/26/2009 | US20090289702 Current generator |
| 11/26/2009 | DE102008024482A1 Schaltung zur Impedanzanpassung A circuit for impedance matching |
| 11/25/2009 | EP2124332A1 Distortion compensation apparatus and method |
| 11/25/2009 | EP2124331A1 Amplification circuit for driving a diffuser |