Patents
Sitemap › H03 - Basic electronic circuitry › H03F - Amplifiers › 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)
10/1996
10/29/1996US5570062 AM-FM transmitter power amplifier using class-BC
10/29/1996US5570049 Transconductor element for high speed GM-C integrated filters
10/24/1996DE19528844C1 Amplification and phase linearisation system for travelling wave tube and semiconductor amplifiers
10/24/1996DE19514717A1 High frequency amplifier stage circuit for radio transmitter
10/23/1996CN1033122C Apparatus for compensating of phase rotation in final amplifier stage
10/22/1996US5568342 Apparatus and method for protecting an amplifier circuit
10/22/1996US5568094 Rf power amplifier with increased efficiency at low power
10/22/1996US5568093 Efficient, high frequency, class A-B amplifier for translating low voltage clock signal levels to CMOS logic levels
10/22/1996US5568092 Attenuated feedback type differential amplifier
10/22/1996US5568090 Amplifier circuit with dynamic output stage biasing
10/22/1996US5568088 Waste energy control and management in power amplifier
10/22/1996US5568087 Pre-distorting linearization circuit
10/22/1996US5568086 Linear power amplifier for high efficiency multi-carrier performance
10/22/1996US5568084 Circuit for providing a compensated bias voltage
10/22/1996US5568068 Buffer circuit for regulating driving current
10/22/1996CA2084925C Ac power amplifier having current limit control
10/16/1996EP0738038A1 Current amplifier
10/15/1996US5565814 Feedforward amplifier using frequency changeable pilot signal
10/10/1996WO1996031954A1 Output power controller
10/10/1996WO1996031947A2 Offset-compensated linear rf detector
10/10/1996WO1996031946A2 A linearizer for linearizing a non-linear component controlled by control voltage
10/10/1996WO1996031945A2 An amplifier stage having a switchable gain and reduced distortion
10/10/1996DE19549356A1 Linear amplifying appts. for use in cellular radio communications
10/10/1996DE19512879A1 Temperature stabilisation circuit for HF amplifier
10/09/1996EP0736902A2 Integrated circuit device and method for fabricating integrated circuit device
10/08/1996US5564087 Method and apparatus for a linear transmitter
10/08/1996US5563757 Low leakage ESD network for protecting semiconductor devices and method of construction
10/08/1996US5563587 Current cancellation circuit
10/08/1996US5563573 For emulating a relativity high input impedance
10/08/1996US5563551 For use at a center frequency
10/08/1996US5563500 Voltage regulator having complementary type transistor
10/03/1996WO1996030998A1 Amplifying circuit
10/03/1996WO1996030997A1 Feed forward rf amplifier
10/02/1996EP0735668A1 High-efficient configurable power amplifier for use in a portable unit
10/02/1996CN1132434A Power stage bias circuit with improved efficiency and stability
10/01/1996US5561660 Offset and phase correction for delta-sigma modulators
10/01/1996US5561397 Solid state amplifier for microwave transmitter
10/01/1996CA2171122A1 High-efficient configurable power amplifier for use in a portable unit
09/1996
09/26/1996WO1996019865A3 An amplifying circuit
09/25/1996EP0734118A1 Bias control circuit for an RF power amplifier
09/25/1996EP0733281A1 Amplifier arrangement
09/24/1996US5559807 Power amplifier linearization in a TDMA mobile radio system
09/24/1996US5559472 Loss compensated gain cell for distributed amplifiers
09/24/1996US5559471 Amplifier and biasing circuit therefor
09/24/1996US5559468 Feedback loop closure in a linear transmitter
09/19/1996WO1996028847A1 Electronic device comprising means for compensating an undesired capacitance
09/19/1996DE19509295A1 Common-base transistor amplifier circuit for FM radio stage
09/18/1996EP0732004A1 Switch-mode power supply for a power amplifier
09/18/1996CN1131359A Rf power amplifier with increased efficiency at low power
09/12/1996DE19508027A1 Integrated circuit for amplifier with offset compensation
09/11/1996EP0731556A1 High-power linear amplification using periodically updated amplitude and phase correction values
09/10/1996US5555152 Monolithically integrated mos output-stage component having an excess-temperature protection device
09/10/1996US5554959 Linear power amplifier with a pulse density modulated switching power supply
09/10/1996US5554958 Inverting amplifier having a low noise biasing network
09/10/1996US5554951 Signal conditioning apparatus and method exhibiting accurate input impedance and gain characteristics over common mode range and operational environments
09/10/1996CA2024385C Predistorter for linearization of electronic and optical signals
09/06/1996WO1996027238A1 Low distortion differential transconductor output current mirror
09/06/1996WO1996027237A1 Continuous time programmable analog block architecture
09/06/1996WO1996027236A1 Adaptive predistorter
09/06/1996WO1996027235A1 Active resistor for stability compensation
09/04/1996EP0730344A1 Single pole negative feedback for class-D amplifier
09/04/1996CN1130448A Amplifier stage with DB-linear output voltage
09/03/1996US5553318 Transmitter having envelope feedback loop and automatic level control loop
09/03/1996US5552730 Mos differential voltage-to-current converter circuit with improved linearity
09/03/1996US5552729 MOS differential voltage-to-current converter circuit with improved linearity
08/1996
08/28/1996EP0729226A2 Differential amplifier
08/28/1996EP0729224A1 Circuit for using intermodulation products
08/28/1996EP0729223A2 Voltage offset compensation circuit
08/28/1996EP0729222A1 Method and apparatus of an operational amplifier with a wide dynamic range
08/28/1996EP0515662B1 Feed forward distortion minimization circuit
08/27/1996US5551070 Cartesian multicarrier feedback
08/27/1996US5550509 Output power selection apparatus for a tube-type audio amplifier
08/22/1996WO1996025791A1 Amplifiers
08/22/1996DE3913950C1 Logarithmic Receiver for Radars
08/22/1996DE19604239A1 High frequency power amplifier for portable communication equipment
08/21/1996EP0727726A2 Integrable circuit for load current stabilizing of a transistor by inverse feedback, especially appropriate for battery-powered devices
08/21/1996EP0637411B1 Dc feedback circuit using sample and hold circuits
08/20/1996US5548247 Amplifier having a field-effect transistor with gate biased at a potential lower than source potential
08/20/1996US5548246 Power amplifier including an impedance matching circuit and a switch FET
08/20/1996US5547274 For reducing distortion in an optical transmission system
08/20/1996CA2087361C Power amplifier device comprising a plurality of feedforward distortion compensating circuits in parallel
08/14/1996EP0726647A1 Transimpedance amplifier circuit
08/14/1996CN1128924A Transmitter
08/14/1996CN1128916A Method and device for improving efficiency of amplitude
08/13/1996US5546056 Injection-locked oscillator having non-reciprocal four port network
08/13/1996US5546054 Current source having voltage stabilizing element
08/13/1996US5546051 Power amplifier and power amplification method
08/13/1996US5546048 Amplifier and display apparatus employing the same
08/13/1996US5546047 Method and apparatus of an operational amplifier with wide dynamic range
08/13/1996US5546045 Rail to rail operational amplifier output stage
08/08/1996DE19603090A1 Programmable amplifier for electronic probe
08/08/1996DE19503881A1 Noise muting switch for television receiver audio amplifier
08/07/1996EP0725477A2 Distortion compensator
08/07/1996CN2232641Y Anti-puncture antenna amplifier
08/06/1996US5543998 Temperature protected power transistor circuit
08/06/1996US5543996 Protective circuit for protecting transistor from thermal destruction
08/06/1996US5543979 Preamplifier circuit arrangements for common current flow in a transducer
08/06/1996US5543976 Providing transitions of slew rate dependent on pulse frequency
08/06/1996US5543760 Protection circuit for a power amplifier
08/06/1996US5543753 Audio frequency power amplifiers with actively damped filter
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