Patents
Sitemap › H03 - Basic electronic circuitry › H03F - Amplifiers › H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008)
09/1995
09/19/1995US5451901 Transconductance amplifiers and exponential variable gain amplifiers using the same
09/19/1995US5451900 Pulse width modulation circuit
09/19/1995US5451897 Built-in supply voltage dropping circuit
09/19/1995US5451859 Linear transconductors
09/14/1995WO1995024767A1 An amplifier circuit
09/14/1995WO1995024712A2 Adjustable resistance device with control circuit
09/14/1995DE4192024C2 Power amplifier with amount limiting device
09/14/1995CA2183955A1 An amplifier circuit
09/13/1995EP0671075A1 Current mirror arrangement
09/13/1995CN1108445A Analog filter circuit and semiconductor integrated circuit device using the same
09/12/1995US5450444 For generating an amplitude modulation wave by converting a audio signal
09/12/1995US5450038 Intermediate frequency amplifier and a telecommand signal receiver having such an amplifier
09/12/1995CA2065200C N-way power combiner/divider
09/07/1995DE19506134A1 Charge amplifier for use in combustion engine
09/06/1995EP0670630A1 Amplifier system
09/06/1995EP0670602A1 Field effect transistor having capacitor between source and drain electrodes
09/06/1995EP0309580B1 Braodband, high speed video amplifier
09/06/1995CN1029717C Power amplifier combining network
09/05/1995US5448393 Apparatus and method for referencing an optical receiver
09/05/1995US5448311 Tri-state video differential driver
09/05/1995US5448200 Differential comparator with differential threshold for local area networks or the like
09/05/1995US5448190 Voltage-to-current conversion circuit utilizing mos transistors
09/05/1995US5448188 Signal processing device for providing a signal corresponding to an input signal and for providing a signal which does not correspond to the input signal
09/05/1995US5448132 Array field emission display device utilizing field emitters with downwardly descending lip projected gate electrodes
09/05/1995US5448056 Photoelectric converting circuit having an amplification factor
09/05/1995CA2040026C Input matching circuit
08/1995
08/31/1995WO1995023472A1 High speed differential receiver for data communications
08/30/1995EP0669717A1 Comparator capable of preventing large noise voltage
08/30/1995EP0669710A2 Variable gain amplifying circuit
08/30/1995EP0669709A1 Output stage especially for integrated amplifiers with externally connected output power devices
08/29/1995US5446415 Intermediate frequency amplifier circuit
08/29/1995US5446414 Simple high speed precision transconductance amplifier circuits
08/29/1995US5446413 Impedance circuit for a miniature hearing aid
08/29/1995US5446412 Continuously linear pulse amplifier/line driver with large output swing
08/29/1995US5446407 Trimming circuit
08/29/1995US5446405 Amplifier circuit with offset cancel circuit
08/29/1995US5446397 Current comparator
08/29/1995US5446259 Method for producing opto-electronic circuit using laser-trimming device
08/26/1995CA2142527A1 Light detector using reverse biased photodiodes with dark current compensation
08/24/1995WO1995022853A1 Signal-receiving and signal-processing unit
08/24/1995WO1995022852A2 Multistage amplifier with hybrid nested miller compensation
08/23/1995EP0667994A1 Method and arrangement for controlling the operation of a high-frequency power amplifier
08/22/1995US5444579 Preamplifier of a signal from a variable resistance sensor, and a current source
08/22/1995US5444446 Apparatus and method for duplicating currents
08/22/1995US5444419 Power amplifier having a temperature compensation circuit
08/22/1995US5444417 Self-configurable, dual bridge, power amplifier
08/22/1995US5444414 Low voltage filter transconductance cell
08/22/1995US5444413 Operational amplifier circuit with variable bias driven feedback voltage controller
08/22/1995US5444409 Interface circuit for linking microprocessors
08/22/1995US5444363 Low noise apparatus for receiving an input current and producing an output current which mirrors the input current
08/22/1995US5444361 Wideband linear and logarithmic signal conversion circuits
08/22/1995US5444337 Radio frequency amplifying apparatus
08/22/1995US5444238 Device for assessing the transmission quality of an optical amplifier equipment
08/22/1995CA2097057C Dynamically biased amplifier
08/17/1995WO1995022198A1 Low noise wide band amplifier
08/16/1995EP0667674A1 Polarisation circuit for push-pull output stage
08/16/1995EP0667673A1 Constant-current circuit using field-effect transistor
08/16/1995CN2205610Y End swinging audio frequency amplifier
08/16/1995CN1106965A Low voltage RF amplifier and mixer with single bias block and method
08/15/1995US5442322 Power amplifier bias control circuit and method
08/15/1995US5442321 Automatic transimpedance control amplifier
08/15/1995US5442320 Mirror and bias circuit for class AB output stage with large swing and output drive
08/15/1995US5442319 Active biasing control for class-AB CMOS operational amplifiers
08/15/1995US5442318 Gain enhancement technique for operational amplifiers
08/15/1995US5442317 Switching regulator and amplifier system
08/15/1995US5442311 System and method for controlling a gain circuit
08/15/1995US5442309 Low distortion output stage
08/10/1995WO1995021487A1 An amplifier
08/10/1995DE4403792A1 Pre-amplifier with inputs to music source and microphone
08/09/1995EP0666657A1 Circuit for light signal receiver
08/09/1995EP0666644A1 Monolithic microwave integrated circuit broad band amplifier
08/09/1995CN1106591A High efficiency amplifier with reduced switching distortion
08/08/1995US5440273 Rail-to-rail gain stage of an amplifier
08/08/1995US5440272 Differential amplifier
08/08/1995US5440271 Integrated circuit amplifier arrangements
08/08/1995US5440224 Reference voltage generating circuit formed of bipolar transistors
08/08/1995US5440156 Metal oxide semiconductor field effect transistor cell adaptable for use in an integrator
08/02/1995EP0665652A1 Injection-locked oscillator
08/02/1995EP0665640A1 Transconductance floating resistor circuit
08/01/1995US5438694 Distortion compensation for a pulsewidth-modulated circuit
08/01/1995US5438684 Radio frequency signal power amplifier combining network
08/01/1995US5438298 Amplifier having overshoot preventing circuit
08/01/1995US5438293 Low power analog absolute differencing circuit and architecture
07/1995
07/27/1995WO1995020266A1 High voltage electronic amplifiers
07/26/1995EP0664609A1 Buffer for sensor
07/26/1995EP0664608A1 Class AB push-pull drive circuit, drive method therefor and class AB electronic circuit using the same
07/26/1995EP0664607A2 High frequency power amplifier with high efficiency and low distortion
07/26/1995EP0664606A1 Method of high frequency current amplification using mosfet devices
07/26/1995EP0664605A1 Amplifier device
07/26/1995EP0664604A2 Transimpedance amplifier
07/26/1995EP0664503A1 Noise-insensitive device for bias current generation
07/26/1995EP0664502A2 Oscillating circuit
07/26/1995CN1105805A Linear amplifier control
07/26/1995CN1105788A Class 'D' audio speaker amplifier circuit with state variable feedback control
07/26/1995CN1029381C Internal connecting mode of power switch device and its device
07/25/1995US5436594 Fully differential transconductance amplifier with common-mode output voltage stabilization
07/25/1995US5436593 Signal conditioning apparatus
07/25/1995US5436592 Modulator having encoder for fault-adaptive pulse step modulation
07/19/1995EP0663723A1 Filter circuit
07/19/1995EP0663720A2 Solid state tube compression circuit
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