Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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06/20/2001 | CN1300487A Base station device and method for suppressing peak current |
06/20/2001 | CN1300470A Apparatus and method for power control |
06/19/2001 | US6249158 Circuit arrangement for generating an output signal |
06/14/2001 | WO2001043281A1 Arrangement for controlling the output power of an hf transmitter |
06/14/2001 | WO2000079713A3 Digital broadcast transmission system comprising a power control system using a pilot signal |
06/14/2001 | US20010003536 Reception power level calculating circuit and receiver using the same |
06/14/2001 | US20010003434 Power amplifier system having amplifier failure compensation |
06/14/2001 | US20010003433 Power amplifier system having frequency and amplifier failure compensation |
06/13/2001 | DE19959403A1 Anordnung zum Regeln der Ausgangsleistung eines HF-Senders An arrangement for controlling the output power of an RF transmitter |
06/13/2001 | DE19951942A1 Power amplifier with overdriving protection damps higher input signal amplitudes more than lower signal amplitudes if supply voltage reduces below defined threshold value |
06/13/2001 | CN1299537A Transmission control device and transmission power control method |
06/13/2001 | CN1299531A Amplifier with adjustable bias current |
06/12/2001 | US6246285 AGC circuit based on a peak detection system |
06/12/2001 | US6246284 Negative feedback amplifier with automatic gain control function |
06/12/2001 | US6246282 First stage amplifier circuit |
06/07/2001 | WO2001041302A1 Amplifier |
06/07/2001 | WO2001010019A3 Device for amplifying a signal emitted by a ray detector |
06/06/2001 | CN2433776Y Low-frequency compensation gain control circuit |
06/05/2001 | US6243422 Waveform shaping method and equipment |
06/05/2001 | US6242982 Amplifier with self setting automatic gain control circuit |
06/05/2001 | US6242981 AGC circuit |
06/05/2001 | US6242976 Low cost linearized channel amplifier for use with high power amplifiers |
06/05/2001 | US6242732 Optical receiver with a control loop providing wide dynamic range |
05/31/2001 | WO2001039384A1 Signal level adjustment arrangement |
05/31/2001 | WO2001039370A2 Signal processing system and method |
05/30/2001 | EP1104119A2 Transmitter adjusting output power |
05/30/2001 | EP1104109A1 Regulator for sine wave generator and sine wave generator unit including such a regulator |
05/30/2001 | EP1104095A1 Amplifying Divice Providing Adjustable Bandwidth |
05/30/2001 | EP1103099A1 Systems and methods for management of current consumption and performance in a receiver down converter of a wireless device |
05/30/2001 | EP0659288B1 Low cost controller |
05/30/2001 | CN1297609A 发送机及接收机 Transmitter and receiver |
05/30/2001 | CN1297283A Current-type step gain controller circuit for digital technology |
05/30/2001 | CN1066599C Muting circuit |
05/29/2001 | US6240279 Transmission power control apparatus and a radio communication apparatus including the transmission power control apparatus |
05/29/2001 | US6240191 Audio volume control circuit using pulse width modulation signal |
05/29/2001 | US6240144 Apparatus and method of linearizing a power amplifier in a mobile radio communication system |
05/29/2001 | US6240100 Cellular TDMA base station receiver with dynamic DC offset correction |
05/29/2001 | US6239659 Low power gain controlled amplifier with high dynamic range |
05/29/2001 | US6239658 Power consumption control for low noise amplifier |
05/29/2001 | US6239655 Microphone amplifier with digital gain control |
05/25/2001 | WO2001037436A2 Complex filtering/agc radio receiver architecture for low-if or zero-if |
05/23/2001 | EP1102395A2 Noise reduction and range control radio system |
05/23/2001 | EP1101281A1 Automatic gain control circuit for controlling multiple variable gain amplifier stages while estimating received signal power |
05/23/2001 | CN1296711A Radio receiver and received power amplifying method |
05/23/2001 | CN1296663A Hybrid chireix/doherty amplifiers power waveform synthesis |
05/23/2001 | CN1066307C Output power controlling circuit and antenna shared device of mobile telecommunication apparatus |
05/22/2001 | US6236863 Comprehensive transmitter power control system for radio telephones |
05/22/2001 | US6236841 Transmission output power control circuit for controlling each of antennas to optimal states |
05/22/2001 | US6236286 Integrated on-board automated alignment for a low distortion amplifier |
05/22/2001 | US6236271 Multi-layer carrier module for power amplifier systems within a digital cellular telephone |
05/17/2001 | WO2001035527A2 Gigabit ethernet transceiver with analog front end |
05/17/2001 | DE19947048A1 Regelkreis für digitale Signale Loop for digital signals |
05/16/2001 | EP1099303A1 Method and apparatus for controlling an audio signal level |
05/15/2001 | US6232839 Voltage-controlled amplifier having compensation for gain control imbalance |
05/15/2001 | US6232816 Signal level monitoring circuit |
05/15/2001 | CA2257617C Wideband catv amplifier with microprocessor-based slope and gain control |
05/10/2001 | WO2001033736A1 Method and apparatus for improving loop stability and speed of a power control loop |
05/10/2001 | WO2001018979A3 Method for reducing reception interferences, especially multiway reception interferences, for receiving a radio signal and circuit for carrying out this method |
05/09/2001 | EP1097521A1 Network amplifier monitoring circuit |
05/09/2001 | CN1065675C Electromagnetic-noise protection circuit |
05/08/2001 | US6230123 Noise reduction method and apparatus |
05/08/2001 | US6229858 Phaselock threshold correction |
05/08/2001 | US6229397 Automatic gain control circuit receiving apparatus incorporating said circuit automatic gain control method adaptable to receiving apparatus and recording medium |
05/08/2001 | US6229393 High frequency power generator |
05/03/2001 | WO2001031802A1 Apparatus and method for controlling transmission power of mobile station |
05/02/2001 | EP1096697A2 Radio communication system and method for controlling a gain of a receiver portion of the system |
05/02/2001 | EP1096673A1 A method and device for preventing saturation in a power amplifier control loop |
05/02/2001 | EP1096672A2 Variable gain type amplifier |
05/02/2001 | EP1095449A1 Amplifier with dynamically adaptable supply current |
05/02/2001 | CN1293498A Code devision multiple access receiver autogain control circuit and code division multiple access demodulator |
05/02/2001 | CN1293493A Autogain control circuit and receiver having said circuit |
05/01/2001 | US6226504 Receiving apparatus |
05/01/2001 | US6225855 Reference voltage generation circuit using source followers |
04/26/2001 | DE10037937A1 D/A-Wandlervorrichtung und D/A-Wandlerverfahren D / A converting device and D / A conversion process |
04/25/2001 | EP1094600A1 Apparatus for amplifying signals |
04/25/2001 | EP1093686A1 Improved exponential current generator and method |
04/24/2001 | US6222472 Automatic gain controller for radio communication system |
04/19/2001 | WO2001028125A1 Control of transmission power in a communication system |
04/19/2001 | DE10034864A1 Amplifier and by-pass switch arrangement for communication systems, has first and second circuit inputs, and circuit output, in which circuit includes amplifying transistors, resistors and capacitors |
04/18/2001 | EP1093240A2 CDMA receiver and CDMA demodulator with AGC circuit |
04/18/2001 | EP1093233A1 Apparatus and method for power control |
04/18/2001 | EP1093222A1 Transmitter and receiver |
04/18/2001 | EP1092288A1 Data transmission in a tdma system |
04/18/2001 | CN1064796C Level control circuit for receiver |
04/17/2001 | US6218905 Common-gate transimpedance amplifier with dynamically controlled input impedance |
04/12/2001 | WO2001026240A1 Apparatus and method for compensating rf gain based on measured rf noise |
04/12/2001 | WO2001026222A1 Dynamic closed-loop audio amplifier system |
04/12/2001 | WO2001026219A1 Artificial ramping of transmit power for burst transmissions |
04/12/2001 | WO2000048307A8 High-efficiency modulating rf amplifier |
04/12/2001 | DE10044416A1 Switching mode power converter has controller for motor speed control coupled to pair of switches, which activates each of the switches during respective switching cycles |
04/12/2001 | DE10035060A1 Leistungsverstärkungsschaltung mit Lasteinstellung zur Steuerung der Leistung des benachbarten Kanals und des übernächsten Kanals Power amplifier circuit with load setting to control the power of the adjacent channel and of the next channel |
04/11/2001 | EP1091516A1 Base station device and method of suppressing peak current |
04/11/2001 | EP1091493A2 Method and circuit for determining signal amplitude |
04/11/2001 | CN1291381A Decoder having a gain controller in a mobile communication system |
04/10/2001 | US6216012 Dualband power amplifier control using a single power amplifier controller |
04/10/2001 | US6215989 Variable gain circuit |
04/10/2001 | US6215987 Mobile communication transmitter capable of selectively activating amplifiers |
04/05/2001 | WO2001024360A1 Control loop for digital signals |
04/04/2001 | EP1089430A2 A dB-linear variable gain amplifier |
04/04/2001 | EP1089429A2 Automatic gain control circuit and receiver having the same |