| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 04/17/2002 | EP1198068A1 Electronic circuit and RF receiver with power save control |
| 04/17/2002 | EP1197001A1 Current-to-voltage converter with controllable gain, and signal processing circuit comprising such converter |
| 04/17/2002 | EP0807332B1 Filter with feed-forward agc |
| 04/17/2002 | CN1345150A Signal multiplexer |
| 04/16/2002 | US6374095 Method and apparatus for providing a squelch function on narrow band radio receivers |
| 04/16/2002 | US6374035 Signal processing device |
| 04/16/2002 | US6373907 Wireless terminal device |
| 04/16/2002 | US6373236 Temperature compensated power detector |
| 04/16/2002 | CA2192609C Radio transmitter and method of controlling transmission by radio transmitter |
| 04/11/2002 | WO2002029985A2 A calibrated dc compensation system for a wireless communication device configured in a zero intermediate frequency architecture |
| 04/11/2002 | WO2002029971A1 Configurable power amplifier and bias control |
| 04/11/2002 | WO2002029968A2 Quardrature direct-conversion demodolator using dc offset compensation |
| 04/11/2002 | US20020042256 Packet acquisition and channel tracking for a wireless communication device configured in a zero intermediate frequency architecture |
| 04/11/2002 | US20020042255 System and method for detecting and correcting phase error between differential signals |
| 04/11/2002 | US20020041206 Variable gain amplifier |
| 04/10/2002 | EP1195895A2 Radio squelch techniques |
| 04/10/2002 | EP1195894A2 Radio receiver automatic gain control techniques |
| 04/10/2002 | CN1344062A Method and circuit of controlling baseband gain |
| 04/10/2002 | CA2357499A1 Rf receiver with power off control |
| 04/09/2002 | US6370370 Method for improving the wanted signal in a radio receiving unit |
| 04/09/2002 | US6370366 Telephony device comprising a base station and at least a subscriber unit, subscriber unit for such a telephony device and method used in such a telephony device |
| 04/09/2002 | US6370364 Mobile station having power control loop offset alignment without requiring RF power measurement |
| 04/09/2002 | US6370358 Mobile station having drift-free pulsed power detection method and apparatus |
| 04/09/2002 | US6370254 Audio-visual reproduction |
| 04/09/2002 | US6370253 Sound reproducing device |
| 04/09/2002 | US6370210 Circuitry for generating a gain control signal applied to an AGC amplifier and method thereof |
| 04/09/2002 | US6370203 Power control for wireless communications system |
| 04/09/2002 | US6369739 Automatic gain control circuit |
| 04/09/2002 | US6369651 Bidirectional direct current power conversion circuits and methods |
| 04/09/2002 | US6369649 Transmission power amplification method and apparatus |
| 04/09/2002 | US6369644 Filter circuit |
| 04/09/2002 | US6369635 Temperature-compensated diode rectifier circuit for an HF level controller |
| 04/04/2002 | WO2002027926A2 Method for optimizing the level of rf signals by comparing quality of the rf signals under different operation modes |
| 04/04/2002 | WO2002027925A2 Apparatus and method for optimizing the level of rf signals |
| 04/04/2002 | WO2002027924A2 Apparatus and method for optimizing the level of rf signals based upon the information stored on a memory |
| 04/04/2002 | WO2002027921A1 Method and circuit for distortion compensation and output control |
| 04/04/2002 | WO2000059110A3 Method and apparatus for automatically adjusting speaker and microphone gains within a mobile telephone |
| 04/04/2002 | US20020039891 System and method for dynamically varying operational parameters of an amplifier |
| 04/04/2002 | US20020039426 Audio apparatus, audio volume control method in audio apparatus, and computer apparatus |
| 04/04/2002 | US20020039052 Quadrature oscillator with phase error correction |
| 04/04/2002 | US20020039047 Power amplifier with gain change compensation |
| 04/04/2002 | DE10045560A1 Self-sampling level regulating device for electronic entertainment device has level amplification device controlled in dependence on comparison between peak value of input signal and reference signal |
| 04/03/2002 | EP1193868A2 Variable gain amplifier device |
| 04/03/2002 | EP0763280B1 Signal processing device |
| 04/03/2002 | CN1082313C 可变增益放大器 Variable gain amplifier |
| 04/02/2002 | US6366765 Receiver |
| 03/28/2002 | WO2002025844A1 Method and system for transmitting a signal via a non-linear transmission unit |
| 03/28/2002 | WO2002025843A1 Method and system for transmitting a signal via a non-linear transmission unit |
| 03/28/2002 | US20020037705 Method and apparatus for calibration of a wireless transmitter |
| 03/28/2002 | DE10043436A1 Automatic amplification control of a signal amplifier for use in broad band communications networks using a peak value detector and stepwise adjustment of signal amplitudes so that they lie within a chosen range |
| 03/27/2002 | EP1191687A2 Exponential conversion circuit and variable gain circuit |
| 03/27/2002 | EP1191686A2 Method and circuit for controlling baseband gain |
| 03/27/2002 | EP1191683A2 High frequency power amplifier module and wireless communication apparatus |
| 03/27/2002 | EP1190568A2 Automatic gain control |
| 03/27/2002 | EP1190522A1 Automatic gain control for improved decoding of multi-carrier signal |
| 03/27/2002 | EP1190490A1 Method and apparatus for obtaining optimal performance in a receiver |
| 03/26/2002 | US6363343 Automatic gain control |
| 03/26/2002 | US6363241 Muting systems and methods for communication transceivers |
| 03/26/2002 | US6363127 Automatic gain control methods and apparatus suitable for use in OFDM receivers |
| 03/26/2002 | US6362764 Digital to analog conversion apparatus and method with cross-fading between new and old data |
| 03/26/2002 | US6362684 Amplifier having an adjust resistor network |
| 03/21/2002 | WO2002023718A2 Self-tuned millimeter wave rf transceiver module |
| 03/21/2002 | WO2002023373A1 Sound activated circuit |
| 03/21/2002 | WO2001067599A3 Rf-fet bias and switching circuit based on a quasi-open loop regulation |
| 03/21/2002 | US20020034311 Modular multiple channel audio signal conditioning interface |
| 03/21/2002 | US20020034221 Serial digital data communications receiver with improved automatic cable equalizer, AGC system, and DC restorer |
| 03/20/2002 | EP1189343A1 Adaptive correction of frequency response of acoustical reproduction devices |
| 03/20/2002 | EP1189340A1 system and method for producing an amplified signal with reduced distortion |
| 03/20/2002 | EP1188232A1 Power amplifier driver system for wireless handset |
| 03/20/2002 | EP1016229B1 Optical amplifier with gain adjustment |
| 03/20/2002 | CN1341296A Receiver and gain control method |
| 03/20/2002 | CN1340927A Amplfication control method and equipment for mobile terminal emitting signal |
| 03/20/2002 | CN1340912A Control method and control circuit for power amplifier using heterojunction double-electrode transistor |
| 03/19/2002 | US6360187 Ambient adjusted volume control for in-vehicles messages |
| 03/19/2002 | US6360086 Device for generating an AC amplitude-dependent indicator |
| 03/19/2002 | US6359897 Control system for controlling the processing data of a first in first out memory and method therefor |
| 03/19/2002 | US6359715 Photoelectric conversion, method light receiving circuit, and optical communication system |
| 03/19/2002 | US6359632 Audio processing system having user-operable controls |
| 03/19/2002 | US6359498 Temperature compensation AGC circuit with temperature characteristic of AGC voltage |
| 03/14/2002 | WO2002021686A2 Receiver circuit for mobile radio receivers with automatic amplification control |
| 03/14/2002 | US20020031236 Input apparatus, reproducing apparatus and volume adjusting method |
| 03/14/2002 | US20020030541 High frequency power amplifier module and wireless communication apparatus |
| 03/13/2002 | EP1187362A2 CDMA wireless transmitter-receiver system and transmission power control method of a CDMA wireless transmission apparatus |
| 03/13/2002 | EP1187317A2 Transmitter and wireless communication device |
| 03/13/2002 | EP1187316A1 Method and Control Circuit for Use of a HBT Transistor Power Amplifier in a Transmitter Using Zero IF Architecture |
| 03/13/2002 | EP1186098A2 Measuring antenna signal strength with automatic gain control receiver |
| 03/13/2002 | CN1340239A Method and arrangement for regulating the power of transmit amplifier |
| 03/13/2002 | CN1080951C DC offset compensation device |
| 03/12/2002 | US6356744 Power measurement circuit |
| 03/12/2002 | US6356375 Apparatus and method for an integrated photodiode in an infrared receiver |
| 03/07/2002 | WO2002019545A2 System for closed loop power control using a linear or a non-linear power amplifier |
| 03/07/2002 | WO2001067591A3 Digital-to-analog interface circuit having adjustable time response |
| 03/07/2002 | WO2001065758A3 Multimode fast attack automatic gain control (agc) loop for narrow band receivers |
| 03/07/2002 | WO2001035527A3 Gigabit ethernet transceiver with analog front end |
| 03/07/2002 | US20020028664 Control method and circuit for using a heterojunction bipolar transistor power amplifier in a zero intermediate frequency architecture transmitter |
| 03/07/2002 | US20020028663 Low power radio frequency transmitter with controllable gain |
| 03/07/2002 | US20020027477 Microwave amplifying circuit, microwave amplifying device, and distortion compensation circuit |
| 03/07/2002 | DE10035673C1 Dynamic sound optimization in the interior of a motor vehicle or similar noisy environment, a monitoring signal is split into desired-signal and noise-signal components which are used for signal adjustment |
| 03/07/2002 | CA2420687A1 System for closed loop power control using a linear or a non-linear power amplifier |
| 03/06/2002 | EP1185009A2 Leak power ratio detection circuit, mobile communication terminal, and control circuit for mobile communication terminal |