H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements

Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272)
09/2004
09/01/2004	EP1451931A1 Switch mode power supply and driving method for efficient rf amplification
09/01/2004	EP1451926A2 Power amplifier control
09/01/2004	EP1451925A1 Composite amplifier
09/01/2004	EP1451924A2 Switched mode power amplifier
09/01/2004	EP1075731B1 Linearization method for amplifier, and amplifier arrangement
09/01/2004	CN1526197A Fully differential, variable-gain amplifier and a multidimensional amplifier arrangement
09/01/2004	CN1525643A Buffer circuit and active matrix display using the same
09/01/2004	CN1525639A A low distortion Class D amplifier
09/01/2004	CN1165107C Distortion compensation device and method
08/2004
08/31/2004	US6785638 Method and system of dynamic learning through a regression-based library generation process
08/31/2004	US6784828 Near object detection system
08/31/2004	US6784749 Limiting amplifier with active inductor
08/31/2004	US6784748 Power amplifying system with supply and bias enhancements
08/31/2004	US6784747 Amplifier circuit
08/31/2004	US6784746 Circuit and method for correcting thermal deviations of one or more output signals from an amplifier with early effect compensation
08/31/2004	US6784745 Adjustable current-mode equalizer
08/31/2004	US6784743 High frequency amplifier and frequency mixer
08/31/2004	US6784741 Amplifier
08/31/2004	US6784740 Power amplifier
08/31/2004	US6784739 Class AB amplifier circuit
08/31/2004	US6784738 Method and apparatus for gain control in a CMOS low noise amplifier
08/31/2004	US6784736 Apparatus and method for indicating a difference between first and second voltage signals
08/31/2004	US6784731 System and method for reducing amplifier distortion using distortion feedback
08/31/2004	US6784700 Input buffer circuit
08/26/2004	WO2004073164A2 Distortion cancellation for rf amplifiers using complementary biasing circuitry
08/26/2004	WO2004073163A1 Self zeroing for critical, continuous-time applications
08/26/2004	WO2004073162A1 Low voltage class ab transconductor circuits
08/26/2004	WO2004073161A1 Low distortsion class-d amplifier using carrier reference signal symmetry modulation
08/26/2004	WO2004072866A1 Data analyzer
08/26/2004	WO2004049557A3 High-speed class-ab transconductance stage
08/26/2004	US20040166813 Cartesian loop systems with digital processing
08/26/2004	US20040164978 Buffer circuit and active matrix display using the same
08/26/2004	US20040164808 High frequency power amplifier circuit
08/26/2004	US20040164807 Limiting amplifier with active inductor
08/26/2004	US20040164806 Amplifier circuit for am broadcasting
08/26/2004	US20040164805 Constant current biasing circuit for linear power amplifiers
08/26/2004	US20040164803 Power amplifying system with supply and bias enhancements
08/26/2004	US20040164798 Circuit and method for compensating for nonliner distortion of power amplifier
08/26/2004	US20040164797 Linear amplifier using non-linear cmos capacitors
08/26/2004	US20040164793 Differential circuit with a linearity correction loop
08/26/2004	US20040164784 Amplifier circuit
08/26/2004	DE10305360A1 High-frequency amplifier circuit with variable output capacitance, has switch for connecting capacitors connected across output terminals to vary capacitance
08/25/2004	EP1450485A2 Signal processing method and program, recording medium storing the program and signal processor
08/25/2004	EP1450482A2 Circuit and method for compensating for nonlinear distortion of power amplifier
08/25/2004	EP1450479A1 Efficient modulation of RF signals
08/25/2004	EP1450290A1 Method and circuit for perturbing removable singularities in coupled translinear loops
08/25/2004	EP1448890A1 High-frequency ignition for an internal combustion engine
08/25/2004	EP1155499A4 Method and apparatus for linear amplification of a radio frequency signal
08/25/2004	EP0914710A4 Rf amplifier having adaptative predistortion circuit
08/25/2004	CN1524339A Signal processing apparatus
08/25/2004	CN1524338A Communication system and arrangements comprising such a communication system
08/25/2004	CN1524276A Tunable ferro-electric filter
08/25/2004	CN1523753A Transimpedance amplifier with feedback resistive network
08/25/2004	CN1523752A Inter-stage coupling in multistage amplifiers
08/25/2004	CN1523751A Circuit and method for compensating for nonliner distortion of power amplifier
08/25/2004	CN1164027C Power amplifying circuit with power supply regulator for controlling adjacent and alternate channel power
08/25/2004	CN1164025C Pilot frequency utilizing type feedforward linear power amplification method and device
08/25/2004	CN1164024C Adaptation method and amplifier arrangement
08/24/2004	US6782244 Segmented power amplifier and method of control
08/24/2004	US6781805 Stacked MOSFET protection circuit
08/24/2004	US6781468 Photo-amplifier circuit with improved power supply rejection
08/24/2004	US6781467 High linearity low noise amplifier
08/24/2004	US6781462 Power amplifier
08/24/2004	US6781458 Providing DC isolation in switching amplifiers
08/24/2004	US6781455 High efficiency power amplifier
08/24/2004	US6781454 Linearized traveling wave tube circuit with pre-distortion linearizer
08/24/2004	US6781452 Power supply processing for power amplifiers
08/24/2004	US6781445 Low power large signal RF tuned buffer amplifier
08/24/2004	US6781441 Very small current generating circuit
08/24/2004	CA2259315C Device and method for compensating phase distortion
08/19/2004	WO2004070959A1 Transmission device and adjustment method thereof
08/19/2004	WO2004070945A1 Power amplifying unit
08/19/2004	WO2004070943A1 Method for improving the output power of a non-linear power amplifier
08/19/2004	WO2004070942A1 Circuit arrangement for a predistorted feedback coupling from a transmitter to a receiver in a multi-mode mobile telephone
08/19/2004	WO2004070941A2 Monolithic supply-modulated rf power amplifier and dc-dc power converter ic
08/19/2004	WO2004070562A2 System and method for notification and escalation of medical data alerts
08/19/2004	US20040162708 Signal-processing method, signal-processing program, recording medium storing the signal-processing program and signal processor
08/19/2004	US20040162707 Early alert and response system
08/19/2004	US20040161123 Electronic device having sound output module
08/19/2004	US20040161053 Decorrelated power amplifier linearizers
08/19/2004	US20040161025 Transmitter image suppression in TDD transceivers
08/19/2004	US20040160347 H-bridge common-mode noise reduction circuit
08/19/2004	US20040160278 Distortion detector
08/19/2004	US20040160276 Multistaged amplification circuit
08/19/2004	US20040160275 Inter-stage coupling in multistage amplifiers
08/19/2004	US20040160274 Enhanced efficiency feed forward power amplifier utilizing reduced cancellation bandwidth and small error amplifier
08/19/2004	US20040160273 Self-calibrated power amplifier linearizers
08/19/2004	US20040160271 Pulse width modulation amplifier
08/19/2004	US20040160270 Error amplifier and DC-DC converter and the method thereof
08/19/2004	DE10304200A1 Verfahren zur Leistungsregelung für ein mobiles Kommunikationsendgerät A method for power control for a mobile communication terminal
08/18/2004	EP1447908A1 Power amplifier
08/18/2004	EP1447907A1 Pulse width modulation amplifier
08/18/2004	EP1447906A2 Dual gate low noise amplifier
08/18/2004	EP1446872A1 Non-linear modeling method
08/18/2004	EP1446871A1 Digital linearization circuit
08/18/2004	EP1446870A1 Transient damping arrangement
08/18/2004	EP1355427A9 Differential comparator circuit
08/18/2004	EP1040571B1 Method and arrangement for correcting phase error in linearization loop of power amplifier
08/18/2004	CN1522491A Electrical signal pre-conditioning
08/17/2004	US6778448 Semiconductor memory and output signal control method and circuit in semiconductor memory

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