Patents
Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162)
12/2005
12/08/2005WO2005117274A1 Transmission output control circuit, and wireless device using the same
12/08/2005WO2005117254A1 Acoustic device
12/08/2005WO2005036608A3 Low-power integrated-circuit signal processor with wide dynamic range
12/08/2005US20050273826 Information playback method
12/08/2005US20050272390 Radio communication receiver
12/08/2005US20050271224 Apparatus and method for adjusting sound volume for televisions and other audio systems
12/08/2005US20050271219 Audio system with balance setting based on information addresses
12/08/2005US20050271169 High speed receive equalizer architecture
12/08/2005US20050270105 Preserving linearity of a rf power amplifier
12/08/2005US20050270104 Broadband amplifier with improved noise figure and distortion characteristics
12/08/2005US20050270103 Dynamic biasing system for an amplifier
12/08/2005US20050270092 Calibration technique for variable-gain amplifiers
12/08/2005US20050270081 Down-converter using an on-chip bias circuit for enhancing symmetry and linearity and testing device thereof
12/08/2005DE102004023441A1 Leistungsregelung in Hochfrequenz-Sendern Power control in high-frequency transmitters
12/07/2005EP1603251A1 Transmission signal generating circuit and radio base station communication apparatus using the same
12/07/2005CN2745276Y A quieting circuit
12/07/2005CN1706122A Wireless communication device
12/07/2005CN1706112A Apparatus and method for compensating gain of an automatic gain controller
12/07/2005CN1706109A System and method for a direct conversion multi-carrier processor
12/07/2005CN1705249A Transmission signal generating circuit and radio base station communication apparatus using the same
12/07/2005CN1705123A Semiconductor device
12/07/2005CN1705026A Information playback method
12/07/2005CN1231011C Automatic gain control device
12/06/2005US6973334 Cellular telephone
12/06/2005US6972640 Directional coupler, high frequency circuit module and wireless communication system
12/06/2005US6972629 Modulation dependent biasing for efficient and high-linearity power amplifiers
12/06/2005US6972627 High frequency power amplifier module
12/06/2005US6972626 High frequency power amplification electric part and wireless communication system
12/06/2005US6972619 Amplifier with a gain proportional to power source voltage
12/01/2005WO2005114834A1 Amplifier circuit with automatic gain correction
12/01/2005WO2005053150A3 An operational amplifier selecting one of inputs, and an amplifying apparatus using the op amplifier the verification method
12/01/2005US20050266815 Agc circuit
12/01/2005US20050266813 Radio receiver that changes function according to the output of an internal voice-only detector
12/01/2005US20050266630 Fabrication process of a semiconductor integrated circuit device
12/01/2005US20050265561 Method and apparatus to generate harmonics in speaker reproducing system
12/01/2005US20050265292 Transmission signal generating circuit and radio base station communication apparatus using the same
12/01/2005US20050265149 Optical disk system with non-linearly controlled amplifier
12/01/2005US20050264858 Multi-plane horizontal perspective display
12/01/2005US20050264857 Binaural horizontal perspective display
12/01/2005US20050264682 Exposure control apparatus and exposure control method
12/01/2005US20050264559 Multi-plane horizontal perspective hands-on simulator
12/01/2005US20050264558 Multi-plane horizontal perspective hands-on simulator
12/01/2005US20050264510 Drive circuit, operation state detection circuit, and display device
12/01/2005US20050264361 Automatic biasing of a power device for linear operation
12/01/2005US20050264360 Resistor and switch-minimized variable analog gain circuit
12/01/2005US20050264359 Programmable automatic signal amplitude control circuit
12/01/2005US20050264352 Integrated power amplifier module with power sensor
12/01/2005US20050263881 Semiconductor device
12/01/2005DE10393797T5 Energieversorgungsvorrichtung, Verfahren, Programm, Aufnahmemedium, Netzwerkanalysator, und Spektrumsanalysator Power supply apparatus, method, program, recording medium, network analyzer, spectrum analyzer and
12/01/2005DE102004021867A1 Verfahren zur Signalverarbeitung, insbesondere in einem Hochfrequenzempfänger und Signalaufbereitungsschaltung A method of signal processing, particularly in a high-frequency receiver and signal conditioning circuit
11/2005
11/30/2005EP1601171A1 System And Method For Adjusting An Audio Signal
11/30/2005EP1599992A1 Audibility enhancement
11/30/2005EP1599952A2 Transceiver power detection architecture
11/30/2005EP1599937A1 Method and apparatus for controlling the output power of a power amplifier
11/30/2005EP1512237A4 Method and system for all digital gain control
11/30/2005CN1702959A RF power amplifier having high power-added efficiency
11/30/2005CN1702729A Drive circuit, operation state detection circuit, and display device
11/30/2005CN1702310A Signal processor
11/30/2005CN1230022C Regulator device for controlling emitter power
11/30/2005CN1229981C Gain control for high definition television demodulator
11/30/2005CN1229910C Digital demodulator
11/29/2005US6970042 Power control for high frequency amplifiers
11/29/2005US6969985 Active coupler
11/28/2005CA2715742A1 Circuit, system and method for adjusting an audio signal
11/24/2005WO2005112509A1 Sound volume adjusting apparatus
11/24/2005WO2005112298A1 Controlling power in high-frequency transmitters
11/24/2005WO2005110044A2 Dual-band cmos front-end with two gain modes
11/24/2005US20050261821 Signal processor
11/24/2005US20050261797 Programmable radio transceiver
11/24/2005US20050260964 Amplifier assembly, receiver comprising said assembly and method for operating a programmable amplifier
11/24/2005US20050260955 Method for monitoring an RF power amplifier, and an RF device, a monitoring device, and an MR system corresponding thereto
11/24/2005US20050259834 Voice controlled system and method
11/24/2005US20050259833 Frequency responses, apparatus and methods for the harmonic enhancement of audio signals
11/24/2005US20050259186 Methods and apparatus for tuning signals
11/24/2005US20050258900 Adaptable voltage control for a variable gain amplifier
11/24/2005US20050258897 Amplifier arrangement and method for the compensation of a signal component in an amplifier arrangement
11/24/2005US20050258896 Variable gain amplifier
11/23/2005EP1598945A2 Multiple-branch wireless receiver
11/23/2005EP1598812A1 Device and method for suppressing noise
11/23/2005EP1597838A2 Circuit and method for compensating signal level jumps in amplification devices
11/23/2005EP1597824A1 A method and a device for adjusting power amplifier properties
11/23/2005EP1040586B1 Programmable linear receiver
11/23/2005CN1701629A Audio amplifier with local interface system
11/23/2005CN1701520A Audio system with balance setting based on information addresses
11/22/2005US6968220 RF receiver with power off control
11/22/2005US6968202 Method for operating a user equipment by prelimiting an output signal
11/22/2005US6968166 Method and apparatus of a fast digital automatic gain control circuit
11/22/2005US6968163 Method and transmission circuit for generating a transmission signal
11/22/2005US6968063 Casino gaming machine includes a speaker structured to produce a game audio output having a volume, an ambient noise level (ambient noise level) detector
11/22/2005US6967535 High frequency power amplifier circuit
11/22/2005US6967533 Arrangement for saving energy in transmitter
11/22/2005US6967529 Large dynamic range programmable gain attenuator
11/22/2005US6967528 Variable gain amplifier
11/17/2005WO2005109634A1 System and method for adaptively controlling receiver gain switch points
11/17/2005WO2005109633A1 Wireless terminals. methods and computer program products with transmit power amplifier input power regulation
11/17/2005WO2005109632A1 Gain control for a receiver in a multi-carrier communication system
11/17/2005WO2005109627A1 Amplifier bias enhancement technique
11/17/2005WO2005109626A1 Dynamic gain compensation and calibration
11/17/2005WO2004049580A3 An amps receiver system using a zero-if architecture
11/17/2005US20050256595 Digital mixer apparatus and method therefor