Patents
Patents for H03G 1 - Details of arrangements for controlling amplification (4,021)
03/2000
03/30/2000WO2000018005A1 High efficiency switched gain power amplifier
03/30/2000WO2000018004A1 High efficiency switched gain power amplifier
03/30/2000CA2345089A1 High efficiency switched gain power amplifier
03/30/2000CA2344141A1 Method and apparatus for controlling an audio signal level
03/23/2000WO2000001063A3 A variable gain amplifier using impedance network
03/21/2000US6040731 Differential pair gain control stage
03/16/2000WO2000014871A1 Noise influence-reduced amplifier
03/16/2000WO1999053613A9 Attenuating volume control
03/14/2000US6038428 Power control circuit for transmission apparatus
03/14/2000US6037838 Amplifier with programmable gain and input linearity usable in high-frequency lines
03/09/2000WO2000013311A1 Signal level control circuit for amplifiers
03/01/2000EP0981855A2 Radio receiver and gain controlled amplifier therefor
03/01/2000CN1245997A Duplex feedback control circuit with frequency compensation
02/2000
02/29/2000US6031421 Controlled gain amplifier with variable control exponent
02/24/2000DE19833968A1 Integrated controller arrangement e.g. for directly controlled elements or systems
02/23/2000CN1245598A High dynamic range variable gain amplifier
02/22/2000US6028647 Automatic gain control circuit using PIN diode capable of improving noise figure while improving frequency band characteristic and bidirectional CATV receiver including such circuit
02/22/2000US6028496 Active inductor
02/22/2000US6028482 Wide dynamic range transimpedance amplifier circuit
02/17/2000WO2000008753A1 System for improving the dynamic range of transmitter power measurement in a cellular telephone
02/17/2000WO2000008752A1 Systems and methods for management of current consumption and performance in a receiver down converter of a wireless device
02/17/2000CA2338470A1 Systems and methods for management of current consumption and performance in a receiver down converter of a wireless device
02/16/2000EP0979552A1 Variable gain amplifier with improved linearity and bandwidth
02/09/2000CN1244066A Power amplifier and control circuit thereof
02/08/2000US6023612 Modular transmission system and method
02/03/2000WO2000005823A1 Network amplifier monitoring circuit
02/02/2000EP0977354A1 Amplifier for radio transmission
02/02/2000CN1243615A Method and apparatus for controlling signal amplitude level
02/01/2000US6020786 Temperature compensation for variable gain amplifiers
02/01/2000US6020785 Fixed gain operational amplifiers
01/2000
01/26/2000EP0974893A1 Sound control circuit for an intelligent digital audiovisual reproduction system
01/26/2000EP0656165B1 Using d-c feedback with on-chip filtering to balance i-f drive to second detector in monolithic ic
01/25/2000US6018269 Programmable gain amplifier
01/13/2000WO2000002310A1 Improved exponential current generator and method
01/13/2000WO2000002309A2 A current steering variable gain amplifier with linearizer
01/13/2000WO2000002306A1 Power amplifier
01/11/2000CA2094133C Linear gain control amplifier
01/06/2000WO2000001066A2 Low voltage, beta immune variable gain amplifier with high supply voltage rejection
01/06/2000WO2000001063A2 A variable gain amplifier using impedance network
01/04/2000US6011437 High precision, high bandwidth variable gain amplifier and method
12/1999
12/28/1999CA2189712C Variable gain amplifying device
12/28/1999CA2129854C Parallel untuned video if amplifiers supplied signals from tv 1st detector via respective input filters
12/28/1999CA2120233C Using d-c feedback with on-chip filtering to balance i-f drive to second detector in monolithic ic
12/16/1999WO1999046855A3 Radio receiver and gain controlled amplifier therefor
12/09/1999WO1999063676A1 Merged variable gain mixers
12/09/1999WO1999063657A1 Linear quad variable gain amplifier and method for implementing same
12/09/1999WO1999063656A1 Low noise amplifier
12/07/1999US5999578 Automatic gain control circuit of radio receiver
12/07/1999US5999056 Variable gain amplifier using impedance network
12/07/1999US5999055 Tunable CMOS Operational Transconductance Amplifier
12/07/1999US5999053 Current steering variable gain amplifier with linearizer
12/07/1999US5999052 High speed, fine-resolution gain programmable amplifier
12/07/1999US5999051 Variable gain amplification circuit having a circuit for controlling a bias current
12/07/1999US5999044 Differential driver having multiple output voltage ranges
11/1999
11/30/1999US5994964 Gain-control-type transistor power amplifier
11/30/1999US5994963 Amplifier circuit and multistage amplifier circuit
11/30/1999US5994961 Temperature compensated decibel linear variable gain amplifier
11/30/1999US5994926 Circuit and method for programmably changing the transconductance of a transconductor circuit
11/30/1999US5994755 Analog-to-digital converter and method of fabrication
11/23/1999US5990741 Variable gain amplifier
11/23/1999US5990740 Differential amplifier with adjustable linearity
11/18/1999WO1999059243A1 Semiconductor circuit
11/17/1999EP0956648A1 Transmitter combiner arrangement
11/16/1999US5986584 Optical encoder based fader design
11/16/1999US5986501 Low voltage, beta immune variable gain amplifier with high supply voltage rejection
11/11/1999WO1999057809A1 High frequency receiver range switching circuit
11/11/1999DE19819544A1 Schaltungsanordnung zur Bereichsumschaltung in Hochfrequenzempfängern Circuit arrangement for range switching in high-frequency receivers
11/10/1999EP0954823A1 Optical sensor system for a bill validator
11/10/1999CN1234649A Gain-changeable amplifier circuit
11/04/1999WO1999056389A1 Amplifier
11/03/1999EP0739549B1 Method and apparatus for calibrating a gain control circuit
11/02/1999US5978487 Spectrum displaying device for audio device
11/02/1999US5977828 Multiple-tail transconductance switchable gain amplifer
10/1999
10/28/1999WO1999054994A1 Low voltage medium power class c power amplifier with precise gain control
10/26/1999US5973566 Discrete step variable gain inverting amplifier with constant ratio between adjacent gains
10/21/1999WO1999053613A1 Attenuating volume control
10/12/1999US5966297 Large bandwidth analog isolation circuit
10/12/1999US5966051 Low voltage medium power class C power amplifier with precise gain control
10/12/1999CA2194935C Tube type power amplifier with distortion control
10/07/1999WO1999050956A1 Wide-dynamic-range variable-gain amplifier
10/07/1999CA2324109A1 Wide-dynamic-range variable-gain amplifier
10/06/1999EP0948132A1 Amplifier with programmable gain and input linearity usable in high-frequency lines
10/05/1999US5963855 Method for extending the RSSI range and radio transceiver operating in accordance with this method
10/05/1999US5963652 Controlling multimedia aspects of a computer
10/05/1999US5963081 Circuit arrangement having at least two signal paths
09/1999
09/30/1999WO1999049589A1 Switchable path power amplifiers
09/22/1999EP0944166A1 Automatic dynamic range controlling circuit
09/21/1999US5956627 Temperature compensated power control circuit
09/21/1999US5955919 Nonlinearity compensation in an electric signal processing circuit
09/16/1999WO1999046855A2 Radio receiver and gain controlled amplifier therefor
09/14/1999US5952880 Variable-gain amplifier with pseudo-logarithmic gain control for generating two control currents
09/10/1999WO1999045637A1 Amplifier with adjustable bias current
09/10/1999CA2322787A1 Amplifier with adjustable bias current
09/08/1999EP0940913A2 Radio receiver for a vehicle
09/07/1999US5949288 Circuit arrangement with an operational amplifier
09/07/1999US5949286 Linear high frequency variable gain amplifier
09/07/1999US5949285 Gain-variable amplifier having small DC output deviation and small distortion
08/1999
08/26/1999WO1999043083A1 Amplifier for radio transmission
08/25/1999EP0938188A2 Variable gain amplifier circuit
08/24/1999US5943612 Radio receivers
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