| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 09/19/2006 | US7110558 Systems and methods for automatically adjusting the volume of an audio source |
| 09/19/2006 | US7110557 Level adjustment circuit |
| 09/19/2006 | US7110555 Sound signal reproducing apparatus |
| 09/19/2006 | US7110550 Sound system |
| 09/19/2006 | US7109897 Power amplifier control reducing output power variation |
| 09/19/2006 | US7109796 Amplifying circuit with adjustable amplification and transmitter system comprising such an amplifying circuit |
| 09/19/2006 | US7109778 DC-offset transient response cancel system |
| 09/19/2006 | CA2319472C A decoder having a gain controller in a mobile communication system |
| 09/14/2006 | WO2006096856A1 Signal reception enhancement apparatus, systems, and methods |
| 09/14/2006 | WO2006095296A1 Receiver having a gain-controllable input amplifier. |
| 09/14/2006 | US20060205372 Agc circuit arrangement for a tuner |
| 09/14/2006 | US20060202757 Power amplifier with integrated sensors |
| 09/14/2006 | US20060202756 Radio-frequency power amplifier apparatus and method of adjusting output power thereof |
| 09/14/2006 | US20060202755 Gigabit ethernet transceiver with analog front end |
| 09/14/2006 | US20060202752 Controllable amplifier and its use |
| 09/13/2006 | EP1503517B1 Method and apparatus for increasing receiver immunity to interference |
| 09/13/2006 | EP1301841B1 Bis circuit for establishing a plurality of bias voltages |
| 09/13/2006 | EP1199814B1 Radio device with distortion compensation |
| 09/13/2006 | CN1833367A Transmission device, transmission power control method, and radio communication device |
| 09/13/2006 | CN1832336A Method for optimizing radio-frequency power amplifier and radio-frequency power amplifier system |
| 09/13/2006 | CN1275385C Method for optimizing the level of RF signals by comparing quality of the RF signals under different operation modes |
| 09/12/2006 | US7107109 Process for adjusting the sound volume of a digital sound recording |
| 09/12/2006 | US7107027 Distributed transmitter automatic gain control |
| 09/12/2006 | US7106808 Tuner of the type having zero intermediate frequency and corresponding control process |
| 09/12/2006 | US7106604 System and method for reducing transfer function ripple in a logarithmic RMS-to-DC converter |
| 09/12/2006 | US7106232 Analog multiplexer and variable gain amplifier for intermediate frequency applications |
| 09/12/2006 | US7106138 Continuously variable gain radio frequency driver amplifier having linear in decibel gain control characteristics |
| 09/12/2006 | US7106137 Method and apparatus for controlling the output power of a power amplifier |
| 09/12/2006 | US7106122 High linearity large bandwidth, switch insensitive, programmable gain attenuator |
| 09/12/2006 | US7105797 Optical receiving circuit |
| 09/08/2006 | WO2006065462A3 A transmitter, a transceiver and a method of controlling a transmit power therefor |
| 09/08/2006 | WO2006017122A3 An rf power amplifier system having a plurality of different power control modes |
| 09/07/2006 | US20060198538 Microphone array signal enhancement |
| 09/07/2006 | US20060198531 Methods and apparatuses for recording and playing back audio signals |
| 09/07/2006 | US20060197600 High frequency power amplifier circuit device |
| 09/07/2006 | US20060197599 Variable gain wideband amplifier |
| 09/07/2006 | US20060197594 Protection of output stage transistor of an RF power amplifier |
| 09/07/2006 | US20060196347 Information processing apparatus and sound volume control method |
| 09/07/2006 | DE102004024875B4 Verstärkeranordnung und Verfahren zur Kompensation eines Signalanteils in einer Verstärkeranordnung Amplifier arrangement and method for compensating a signal component in an amplifier arrangement |
| 09/06/2006 | EP1699259A1 Audio output apparatus |
| 09/06/2006 | EP1698051A1 Radio frequency (rf) and/or microwave power amplification device and corresponding radio communication terminal |
| 09/06/2006 | EP1698050A2 Gate control circuit with soft start/stop function |
| 09/06/2006 | EP1698049A1 Power amplifier with serial interface and digital power control and associated methods |
| 09/06/2006 | EP1618650B1 Method and device for power amplifier with high accuracy of an output signal |
| 09/06/2006 | EP1300832B1 Speech recognizer, method for recognizing speech and speech recognition program |
| 09/06/2006 | CN1830141A Audio conditioning apparatus, method and computer program product |
| 09/06/2006 | CN1274082C Power control circuit and transmitter |
| 09/06/2006 | CN1274081C Apparatus for eliminating colume change lead-in noise volume regulation |
| 09/05/2006 | US7103337 PLL circuit having a multi-band oscillator and compensating oscillation frequency |
| 09/05/2006 | US7103336 Radio receiver, radio receiving method, and recording medium |
| 09/05/2006 | US7103323 Apparatus for transmitting RF signal in mobile communication terminal and method for controlling the same |
| 09/05/2006 | US7103029 Transmitter gain stabilizing apparatus |
| 09/05/2006 | US7102442 Wireless terminals, methods and computer program products with transmit power amplifier input power regulation |
| 09/05/2006 | US7102441 Variable gain amplifying circuit |
| 09/05/2006 | US7102429 RF amplifier with enhanced efficiency |
| 09/05/2006 | US7102428 Large dynamic range programmable gain attenuator |
| 09/05/2006 | US7102427 Amplifier and radio frequency power amplifier using the same |
| 09/05/2006 | US7102414 Muting circuit for audio amplifier |
| 09/05/2006 | US7102405 Pulse-width modulation circuit and switching amplifier using the same |
| 08/31/2006 | WO2006091939A2 Programmable gain amplifier and method |
| 08/31/2006 | US20060194555 Circuit arrangement and method for compensating for abrupt signal level changes in amplification devices |
| 08/31/2006 | US20060193483 Volume control method and system |
| 08/31/2006 | US20060193478 Sound effecter, fundamental tone extraction method, and computer program |
| 08/31/2006 | US20060193477 System for audio signal processing with sound spectrum selection |
| 08/31/2006 | US20060192618 Programmable gain amplifier and method |
| 08/31/2006 | US20060192616 Electronics parts for high frequency power amplifier |
| 08/31/2006 | US20060192614 Gigabit ethernet transceiver with analog front end |
| 08/31/2006 | DE19725898B4 Entertainmentsystem für ein Kraftfahrzeug Entertainment system for a motor vehicle |
| 08/31/2006 | DE102005008507A1 Amplifier for universal mobile telecommunications system`s transmission device, has current paths with transistors switched as source followers, and control unit controlling one path and connecting control input with one transistor |
| 08/30/2006 | EP1696695A1 Acoustic device and method for treating an audio signal |
| 08/30/2006 | EP1696577A2 Amplitude limiting circuit and CDMA communication apparatus |
| 08/30/2006 | EP1696558A1 Protection of output stage transistor of an RF power amplifier |
| 08/30/2006 | EP1695348A1 Method and system for controlling the level of a data signal read from an optical disc |
| 08/30/2006 | EP1535437A4 Background updates for database information on a mobile device |
| 08/30/2006 | CN1825758A Transmission output control apparatus and its method, transmitter, and recording medium |
| 08/29/2006 | US7099641 Receiver circuit for mobile radio receivers with automatic gain control |
| 08/29/2006 | US7099636 Continuous closed-loop power control system including modulation injection in a wireless transceiver power amplifier |
| 08/29/2006 | US7099635 High-efficiency modulating RF amplifier |
| 08/29/2006 | US7099482 Method and apparatus for the simulation of complex audio environments |
| 08/29/2006 | US7098889 System and method for a self-calibrating input device |
| 08/29/2006 | US7098739 Low noise amplifier with low noise, high isolation bias circuit |
| 08/29/2006 | US7098738 Fine step and large gain range programmable gain amplifier |
| 08/29/2006 | US7098737 Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier |
| 08/24/2006 | WO2006088589A2 Power control circuit for accurate control of power amplifier output power |
| 08/24/2006 | WO2006086832A1 A method and apparatus for adapting a vehicle |
| 08/24/2006 | US20060189285 Communication semiconductor integrated circuit, a wireless communication apparatus, and a loop gain calibration method |
| 08/24/2006 | US20060188104 Audio conditioning apparatus, method and computer program product |
| 08/24/2006 | US20060188042 Narrowband gain control of receiver with digital post filtering |
| 08/24/2006 | US20060187360 Apparatus and method for providing an agc function using multiple feedback sources |
| 08/24/2006 | US20060186965 Differential to single-ended converter |
| 08/24/2006 | US20060186961 Variable gain differential amplifier, and variable degeneration impedance control device and method for use in the same |
| 08/24/2006 | DE19734969B4 Verfahren und Vorrichtung zur Wiedergabe von Audiosignalen Method and apparatus for reproducing audio signals |
| 08/24/2006 | DE102005008372A1 Controllable amplifier for high frequency (HF) input signal, with current path between supply potential and reference potential terminals that contains amplifying transistor |
| 08/24/2006 | DE102005008274A1 Controlled amplifier for signal amplification in relation to analog control signal, has input for HF input signal coupled to control input of amplifier transistor |
| 08/23/2006 | EP1694062A1 Analog/digital-compatible front-end module |
| 08/23/2006 | EP1693955A2 Dynamic bias fo RF power amplifiers |
| 08/23/2006 | EP1692760A1 Constant sound level |
| 08/23/2006 | EP1568192A4 Compensating for analog radio component impairments to relax specifications |
| 08/23/2006 | EP1559202B1 Method for transmit power compensation in a mobile communication terminal and communication terminal for implementing said method |
| 08/23/2006 | EP1163728B1 Radio transmitters |