Patents
Sitemap › H03 - Basic electronic circuitry › H03G - Control of amplification › H03G 3 - Gain control in amplifiers or frequency changers
Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162)
11/2007
11/29/2007WO2007135235A1 Antenna matching measurement and amplification control
11/29/2007US20070274539 System and method for hierarchical audio conflict control
11/29/2007US20070273446 Automatic input-gain control circuit and method thereof
11/29/2007US20070273445 Millimeter-wave cascode amplifier gain boosting technique
11/29/2007US20070273439 Apparatus And Method Of Dynamically Adapting The LUT Spacing For Linearizing A Power Amplifier
11/29/2007US20070273435 Am Intermediate Frequency Variable Gain Amplifier Circuit, Variable Gain Amplifier Circuits and its Semiconductor Integrated Circuit
11/29/2007US20070273354 Control Circuit For Diode Based Rf Circuits
11/28/2007EP1860780A1 Noise canceller
11/28/2007EP1859530A1 Receiver having a gain-controllable input amplifier.
11/28/2007EP1522142B1 Amplifying circuit with adjustable amplification and transmitter system comprising such an amplifying circuit
11/28/2007CN101080871A Gain-variable analog/digital converter, method for adjusting gain of gain-variable analog/digital converter, and system including gain-variable analog/digital converter
11/28/2007CN101079603A Multipatch amplifier for decreasing total power output and circuit device with the same
11/28/2007CN101079602A Automatic input-gain control circuit and method thereof
11/28/2007CN101079601A Volume adjustment system of portable information processing device and its method
11/28/2007CN101079600A Regulator for high frequency amplifier
11/28/2007CN100352171C Apparatus and method for enhancing a reception rate of a receiver with AGC
11/27/2007US7302351 Power supply device, method, program, recording medium, network analyzer, and spectrum analyzer
11/27/2007US7302245 Method and apparatus for estimating and controlling initial time slot gain in a wireless communication system
11/27/2007US7302062 Audio enhancement system
11/27/2007US7302022 Automatic gain control device and method in orthogonal frequency division multiplexing system with DC offset compensation function, and recording medium storing program containing the method
11/27/2007US7302021 Digital broadcast receiving apparatus
11/22/2007WO2007096732A3 Automatic gain control system for receivers in wireless communications
11/22/2007US20070269057 Sound reproduction device and method for automatic gain control
11/22/2007US20070269052 Sound enhancement system
11/21/2007EP1858295A1 Equalization in acoustic signal processing
11/21/2007EP1858161A1 Dual power mode transmitter
11/21/2007EP1595331B1 System and method for reducing transfer function ripple in a logarithmic rms-to-dc converter
11/21/2007CN101075803A Method for automatically controlling gain value and voice transmitter
11/20/2007US7299022 Carrier detecting circuit and infrared communication device using same
11/20/2007US7299015 Transmission output control circuit, and wireless device using the same
11/20/2007US7298855 Volume circuit using resistive ladder circuits
11/20/2007US7298852 Dynamic power sharing in a multi-channel sound system
11/20/2007US7298800 Analog signal control method, analog signal controller, and automatic gain controller
11/20/2007US7298215 Amplifying circuit
11/20/2007US7298214 Amplifying circuit with variable supply voltage
11/20/2007US7298213 Input impedance matching circuit for low noise amplifier
11/20/2007US7298212 Automatic level control circuit with improved attack action
11/20/2007US7298208 Automatic level control circuit with improved recovery action
11/20/2007US7298207 Automatic gain control for a multi-stage gain system
11/20/2007US7297922 Optical receiver protection circuit
11/15/2007US20070264950 Method And Apparatus For Selective Disregard Of Co-Channel Transmissions On A Medium
11/15/2007US20070262821 Front-End Sensitivity Booster
11/15/2007US20070262819 Automatic gain control for mobile microphone
11/15/2007US20070262818 Variable gain amplifier with gain adjusting circuit
11/15/2007US20070262817 Dynamic lna switch points based on channel conditions
11/15/2007US20070262816 Distortion Compensation Circuit
11/15/2007DE102006008725B4 Mehrkanalverstärker mit reduzierter Gesamtleistungsabgabe und Schaltungsanordnung mit einem derartigen Mehrkanalverstärker Multi-channel amplifier with reduced total power output circuitry and with such a multi-channel amplifier
11/14/2007EP1855387A1 Mobile communication terminal and method for controlling a plurality of receiving apparatuses mounted on mobile communication terminal
11/14/2007EP1364458B1 Protection circuit for extending headroom with off-chip inductors
11/14/2007CN101072456A Play system and its play method
11/14/2007CN101072058A Apparatus for increasing receiver immunity to interference and receiver circuit
11/14/2007CN101072016A Gain automatic control device, method and audio processing device and earphone thereof
11/14/2007CN101072015A Volume control device and method
11/13/2007US7295823 Combined discrete automatic gain control (AGC) and DC estimation
11/13/2007US7295820 Method and apparatus for DC offset control
11/13/2007US7295073 Automatic gain control apparatus
11/13/2007US7295064 Doherty amplifier
11/08/2007WO2007127023A1 Audio gain control using specific-loudness-based auditory event detection
11/08/2007US20070258602 Method and arrangement for optimizing efficiency of a power amplifier
11/08/2007DE19809522B4 Rundfunkempfänger und Verfahren zum Betreiben desselben Of the same broadcast receiver and method of operating
11/08/2007DE102006020831A1 Regler für einen Hochfrequenzverstärker Controller for a high-frequency amplifier
11/08/2007DE102006020830A1 Regler für einen Hochfrequenzverstärker Controller for a high-frequency amplifier
11/08/2007DE102004039830B4 Verstärkerschaltung mit einstellbarer wertdiskreter Verstärkung, Verwendung der Verstärkerschaltung und Verfahren zum Betreiben eines wertdiskret einstellbaren Verstärkers Amplifier circuit with adjustable worth discrete amplification, using the amplifier circuit and method for operating a value-discrete variable gain amplifier
11/08/2007DE102004033608B4 Verstärker mit variabler Verstärkung zur linearen Verstärkung in Dezibel Variable gain amplifier to the linear gain in decibels
11/08/2007CA2648237A1 Audio gain control using specific-loudness-based auditory event detection
11/07/2007EP1851852A2 Power control circuit for accurate control of power amplifier output power
11/07/2007EP1851851A2 Closed loop power control with high dynamic range
11/07/2007CN101068445A High frequency compensating
11/07/2007CN100347952C Amplitude modulation o phase modulation cancellation method in an RF amplifier
11/06/2007US7292104 Variable gain amplifier
11/06/2007US7292103 Amplifier system having compensated amplification variation
11/01/2007WO2007123608A1 Loudness modification of multichannel audio signals
11/01/2007WO2007123172A1 Acoustic reproduction device
11/01/2007WO2007122772A1 Automatic gain controlled circuit
11/01/2007WO2007122771A1 Automatic gain controlled circuit and low noise amplifier circuit
11/01/2007WO2007122059A1 Device and method for amplification of radiocommunication signals
11/01/2007WO2007121585A1 Cmos temperature compensated transmitter circuit with merged mixer and variable gain amplifier
11/01/2007US20070253578 System and method for adjusting microphone gain based on volume setting of a mobile device
11/01/2007US20070253576 Method for virtual bass synthesis
11/01/2007US20070253572 Sound reproduction device and method for hearing protection in an ambient environment
11/01/2007US20070253571 Sound reproduction device and method for hearing protection in an ambient environment
11/01/2007US20070253564 Sound field controlling device
11/01/2007US20070253563 Method for dynamically adjusting the spectral content of an audio signal
11/01/2007US20070252646 Adaptive Bias Current Circuit and Method for Amplifiers
11/01/2007US20070252264 Hybrid integrated circuit device, and method for fabricating the same, and electronic device
11/01/2007CA2653874A1 Device and method for amplification of radiocommunication signals
10/2007
10/31/2007EP1850474A1 Method and system for amplifier thermal management
10/31/2007EP1850472A1 High-frequency circuit
10/31/2007DE102004040696B4 Notrufeinrichtung Emergency equipment
10/31/2007CN101065898A Wireless terminals. methods and computer program products with transmit power amplifier input power regulation
10/31/2007CN101064498A Automatic gain control for mobile microphone
10/31/2007CN100346346C Method of automatically setting the gain of an interrogator receiver within a non-contacting identification system
10/30/2007US7289777 Power control for non-constant envelope modulation
10/30/2007US7289581 Receiving apparatus
10/30/2007US7289575 Signal processing means
10/30/2007US7288991 Power control circuit for accurate control of power amplifier output power
10/30/2007US7288986 Communication semiconductor integrated circuit device and wireless communication system
10/25/2007WO2007120992A1 Automatic gain control circuit
10/25/2007WO2007120453A1 Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
10/25/2007US20070248233 Method and apparatus for dynamically adjusting the spectral content of an audio signal
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