Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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07/16/2002 | CA2236282C Automatic gain control circuit |
07/11/2002 | WO2002054606A2 Zero intermediate frequency receiver using packet acquisition and channel tracking |
07/11/2002 | WO2002054580A2 Method and switching circuit for controlling the output power of a high-frequency amplifier for producing a high-frequency signal having a variable envelope curve |
07/11/2002 | US20020090920 High-efficiency modulating RF amplifier |
07/11/2002 | US20020090042 Automatic gain control methods and apparatus suitable for use in OFDM receivers |
07/11/2002 | DE10060332A1 Verfahren und Vorrichtung zur Millimeterwellen-Leistungsregelung bei einem V-Band-TR-Modul Method and device for millimeter wave power control with a V-band TR module |
07/11/2002 | DE10043744C1 Empfangsschaltung für Mobilfunkempfänger mit automatischer Verstärkungssteuerung Receiving circuit for mobile radio receiver with automatic gain control |
07/10/2002 | EP0801856B1 Spread-spectrum system and method for adaptive power control in a cellular communication network |
07/10/2002 | CN1358284A Constant voltage supply circuit, substrate of constant voltage supply circuit, and method of applying constant voltage |
07/10/2002 | CN1087578C Mobile telephone with automatic level control means of sound signal |
07/10/2002 | CN1087521C Method and apparatus for amplifying signal |
07/09/2002 | US6418303 Fast attack automatic gain control (AGC) loop and methodology for narrow band receivers |
07/09/2002 | US6418301 Methods for radio calibration at room temperature |
07/09/2002 | US6417730 Automatic gain control system and related method |
07/09/2002 | US6417729 Linear power control loop |
07/09/2002 | US6417503 Optical sensor circuit with output changing means |
07/04/2002 | US20020086651 Precision automatic gain control circuit |
07/04/2002 | US20020085725 System output control method and apparatus |
07/04/2002 | US20020085624 Multipath processor |
07/04/2002 | US20020084846 Selectable diode bias for power amplifer control in a wireless telephone handset |
07/04/2002 | US20020084844 High efficiency stage-switching CDMA power amplifier |
07/04/2002 | DE10100151A1 Verfahren und Schaltkreis zum Regeln der Ausgangsleistung eines Hochfrequenzverstärkers zur Erzeugung eines Hochfrequenzsignals mit variabler Hüllkurve A method and circuit for regulating the output power of a high frequency amplifier for generating a high frequency signal with a variable envelope |
07/03/2002 | EP1219026A2 Transmitter power amplifier ramping method |
07/03/2002 | EP1219024A1 Amplifier |
07/03/2002 | EP0796526B1 Method and arrangement in a transmission system |
07/03/2002 | EP0787383B1 Automatic sensitivity control |
06/27/2002 | WO2002051091A1 Phase error detection and correction for differential signals |
06/27/2002 | WO2002051005A1 Smoothing circuit |
06/27/2002 | WO2002005423A3 Agc circuit |
06/27/2002 | WO2002003161A3 Bis circuit for establishing a plurality of bias voltages |
06/27/2002 | WO2001084741A3 Output power control of a transmitter |
06/27/2002 | WO2001065722A3 Method and transmission circuit for producing a transmission signal |
06/27/2002 | US20020082052 Method for operating a base station by prelimiting an output signal |
06/27/2002 | US20020080981 Signal processing method, program, and signal processing apparatus |
06/27/2002 | US20020080890 Method and apparatus for a transceiver having a constant power output |
06/27/2002 | US20020080763 Base station having an adaptive RF amplifier prelimiter |
06/27/2002 | US20020080733 User equipment (UE) having an adaptive RF amplifier prelimiter |
06/27/2002 | US20020079946 Gain controller using switched capacitors |
06/27/2002 | DE10150472A1 Integrierte Halbleiterschaltungsvorrichtung mit Verstärker mit variabler Verstärkung A semiconductor integrated circuit device having variable gain amplifier |
06/27/2002 | DE10063438A1 Kommunikationsvorrichtung Communication device |
06/26/2002 | EP1217871A2 Acoustic apparatus |
06/26/2002 | EP1217755A2 Communication device |
06/26/2002 | EP1217730A2 Method for suppressing noise peaks in a wanted signal |
06/26/2002 | EP1217727A1 Selectable diode bias for power amplifier control in a wireless telephone handset |
06/26/2002 | EP1216503A1 Artificial ramping of transmit power for burst transmissions |
06/26/2002 | EP1216502A1 Control loop for digital signals |
06/26/2002 | CN1355973A Automatic gain control for improved decoding of multi-carrier signal |
06/26/2002 | CN1086873C Radio communicat apparatus for synthesizing radio signal |
06/26/2002 | CN1086870C Automatic gain controller and method in direct series broad spectrum communication system |
06/26/2002 | CN1086863C Amplifier circuit for transmitter |
06/25/2002 | US6411235 Dynamic range extension with gain correction |
06/20/2002 | WO2002019545A3 System for closed loop power control using a linear or a non-linear power amplifier |
06/20/2002 | US20020077824 Speech synthesizer |
06/20/2002 | US20020077074 RF receiver with power off control |
06/20/2002 | US20020076066 Acoustic apparatus |
06/20/2002 | US20020075944 Automatic gain control circuit and method for direct sequence spread spectrum receiver |
06/20/2002 | US20020074560 Semiconductor integrated circuit device with variable gain amplifier |
06/20/2002 | US20020074409 Instant synchronous automatic gain control apparatus |
06/19/2002 | EP1215816A2 Power controllers for amplitude modulation |
06/18/2002 | US6408193 Cellular telephone |
06/18/2002 | US6408168 Receiver with automatic gain control circuit |
06/18/2002 | US6408166 Method for controlling gain of transmission signal |
06/18/2002 | US6407639 Radio frequency device including a power amplifier circuit and a stabilizer circuit, and mobile transceiver terminal including such a device |
06/13/2002 | WO2002047260A2 Am receiver with audio filtering means |
06/13/2002 | WO2002047245A2 Method and device for regulating the power of millimeter waves for a v-band tr module |
06/13/2002 | WO2002029968A3 Quardrature direct-conversion demodolator using dc offset compensation |
06/13/2002 | WO2001080436B1 Dual-mode communications transmitter |
06/13/2002 | US20020072341 Radio receiver that changes function according to the output of an internal voice-only detector |
06/13/2002 | US20020072339 Transmitter and wireless communication device |
06/13/2002 | US20020071507 Reception AGC circuit |
06/13/2002 | US20020071408 CDMA wireless transmission apparatus, CDMA wireless transmitter-receiver system and transmission power control method of the CDMA wireless transmission apparatus |
06/13/2002 | US20020070802 Linear gain control amplifier |
06/13/2002 | US20020070797 System and method for adjusting separate devices concurrently |
06/13/2002 | US20020070788 Exponential conversion circuit and variable gain circuit |
06/13/2002 | DE10060017A1 Detection method and device for an acoustic signal from an emergency vehicle siren, also detects the approach direction so that the driver of a sound-proofed vehicle can take appropriate action |
06/13/2002 | DE10058786A1 Verfahren zum Steuerung eines eine akustische Ausgabeeinrichtung aufweisenden Geräts A method for controlling an acoustic output device having device |
06/12/2002 | EP1213832A1 AM receiver with audio filtering means |
06/12/2002 | EP0972339B1 Power amplication system with intelligent control of amplifier modules |
06/12/2002 | EP0645063B1 Receiver automatic gain control |
06/12/2002 | CN1353894A Signal processor for multiplex communication system and signal processing method therefor |
06/11/2002 | US6404891 Volume adjustment as a function of transmission quality |
06/11/2002 | US6404284 Amplifier bias adjustment circuit to maintain high-output third-order intermodulation distortion performance |
06/11/2002 | US6404282 Preamplification circuit |
06/11/2002 | US6404281 Wide dynamic range transimpedance amplifier |
06/06/2002 | WO2002045260A1 Amplifier circuit |
06/06/2002 | WO2002045259A2 Signal level control |
06/06/2002 | WO2002045257A2 Automatic gain control system and related method |
06/06/2002 | WO2002001748A3 Improved multi-carrier receiver for a radio telecommunications network |
06/06/2002 | US20020068540 Communication receiver having reduced dynamic range by reducing the fixed range of the amplifier and increasing the variable gain via a gain control circuit |
06/06/2002 | US20020067204 Amplitude control of an alternating signal generated by an electronic device such as an oscillator circuit |
06/05/2002 | EP1210769A1 Dually adjustable electromechanical means for handling and system of these, and dually adjustable digital potentiometer |
06/05/2002 | EP1210768A1 Adaptive rf amplifier prelimiter |
06/05/2002 | EP1210767A2 Method and apparatus for automatically adjusting speaker and microphone gains within a mobile telephone |
06/05/2002 | EP1210766A1 Automatic gain control loop for frequency conversion of quadrature signals |
06/05/2002 | EP1210765A1 Filter banked gain control of audio in a noisy environment |
06/05/2002 | EP0972360B1 Power control of rf signals with booster module |
06/05/2002 | CN1086064C Temperature compensated wide dynanic range power detection circuitry for portable RF transmission terminals |
06/05/2002 | CN1086047C Signal-processing preamplifier for optical disc system |
06/04/2002 | US6400933 Amplifier |
05/30/2002 | WO2002043253A2 A radio receiver |