Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673) |
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10/17/2001 | EP1145422A1 Adjustable balanced modulator |
10/17/2001 | EP1145318A2 System and method for esd protection |
10/17/2001 | EP1145030A2 Multi-conversion radar detector having increased tuning range and self-calibrating function |
10/17/2001 | CN1073309C Transmitte-receiver |
10/11/2001 | US20010028321 GPS receiver utilizing a communication link |
10/10/2001 | EP1143608A2 Multiple stage frequency translator |
10/10/2001 | EP1143607A2 Balanced Mixer using FETS |
10/10/2001 | EP1142121A1 Circuit for the frequency multiplication of an angle modulated signal using a pll and method |
10/10/2001 | CN1072861C Multi-channel digital transceiver and method thereof |
10/09/2001 | US6300832 Gain variable amplifier apparatus having improved gain control linearity characteristics |
10/04/2001 | WO2000027026A3 Combined cmos mixer and circuit |
10/04/2001 | US20010027095 Image rejection mixer |
10/04/2001 | US20010027094 Image rejection |
10/04/2001 | US20010027091 Single balanced mixer |
10/04/2001 | US20010026597 Synthesizer receiver |
10/04/2001 | EP1145423A3 Combined cmos mixer and vco circuit |
10/04/2001 | EP1101285A4 Single chip cmos transmitter/receiver and vco-mixer structure |
10/03/2001 | CN1316128A Circuit arrangement providing impedance translation filtering |
10/03/2001 | CN1072427C 数字数据接收机 Digital data receiver |
10/02/2001 | US6298224 Multiple frequency band receiver |
10/02/2001 | US6298096 Method and apparatus for determination of predistortion parameters for a quadrature modulator |
09/27/2001 | WO2001071906A2 Integrated frequency translation and selectivity with gain control functionality, and applications thereof |
09/27/2001 | WO2001071904A1 Autocalibration of a transceiver through nulling of a dc-voltage in a receiver and injecting of dc-signals in a transmitter |
09/27/2001 | US20010024481 Direct-conversion demodulator having automatic-gain-control function |
09/27/2001 | US20010024450 Method for forming an intermediate frequency signal in a mixer, and a mixer |
09/26/2001 | EP1137211A1 Radio transmitter/receiver and method of radio communication |
09/26/2001 | EP1137178A1 Circuit comprising a filter and method for operating a circuit comprising a filter |
09/26/2001 | EP1137168A2 Method and mixer for forming an intermediate frequency signal |
09/26/2001 | EP1135853A1 Integrated frequency translation and selectivity with a variety of filter embodiments |
09/26/2001 | EP0683939B1 Radio transceiver comprising an arrangement for compensating for a dc component |
09/20/2001 | WO2001069876A1 Compensation of mismatch in quadrature devices |
09/20/2001 | WO2001069783A1 Frequency converter |
09/20/2001 | WO2001069777A2 Assembly and method for compensating the offset of a mixer |
09/19/2001 | EP1134889A1 Apparatus to compensate the input-offset of a mixer, and method |
09/13/2001 | WO2001067592A2 Direct conversion up-converter for broadband wireless access equipment |
09/13/2001 | US20010021645 Mixer circuit |
09/12/2001 | EP1133051A1 A mixer circuit |
09/12/2001 | EP1131929A1 Method and apparatus for the determination of the predistortion parameters in a quadrature modulator, by measuring the output power |
09/07/2001 | WO2001065680A2 Architecture for intermediate frequency decoder |
09/07/2001 | WO2001039364A8 Two stage quatrature down converter for gps and glonass |
09/06/2001 | US20010019950 RF signal receiving method and circuit with high degree of signal isolation |
09/05/2001 | EP1130768A2 A low supply voltage analog multiplier |
09/05/2001 | EP1000491A4 Biphase modulator with balun design |
09/05/2001 | CN1070662C 无线电接收机 Radio receiver |
09/04/2001 | US6285865 System and method for on-chip filter tuning |
08/30/2001 | WO2001063688A1 Signal combiner |
08/30/2001 | WO2000044087A9 Down-converter using sine to square wave converter |
08/30/2001 | US20010018334 Upconverter mixer circuit |
08/29/2001 | EP1128547A2 Gilbert cell mixer |
08/29/2001 | EP1128546A1 Upconverter mixer circuit |
08/29/2001 | EP1127440A1 Phase interpolation receiver for angle modulated rf signals |
08/28/2001 | US6282414 Wireless selective call receiving apparatus which can reduce current consumption and wireless selective call receiving method |
08/28/2001 | US6282413 Multistaged frequency conversion with single local oscillator |
08/28/2001 | US6282252 Receiver for data transmission |
08/28/2001 | US6282249 Satellite receiver |
08/23/2001 | US20010016480 Reception IC and receiving apparatus employing the same |
08/23/2001 | US20010016018 Variable resolution bandwidth control for data receiver |
08/23/2001 | US20010016016 Power amplification using a direct-upconverting quadrature mixer topology |
08/22/2001 | EP1126600A2 Variable resolution bandwidth control for data receiver |
08/22/2001 | EP1125411A1 Method and system for adjusting spurious lines of an output frequency spectrum in a sideband frequency translating device |
08/22/2001 | EP1125359A1 Method and system for down-converting an electromagnetic signal |
08/22/2001 | CN1309842A Radio terminal device |
08/22/2001 | CN1309836A Multiband frequency generation using single PLL-circuit |
08/22/2001 | CN1309835A Single chip CMOS transmitter/receiver and VCO-mixer structure |
08/22/2001 | CN1309476A Receiving of IC and receiving device thereby |
08/21/2001 | US6278872 Frequency converter with improved linearity |
08/21/2001 | US6278870 Phasing receivers |
08/16/2001 | US20010014594 Dual digital low IF complex receiver |
08/16/2001 | US20010013811 Grounded emitter amplifier and a radio communication device using the same |
08/16/2001 | US20010013622 Field effect transistor, control method for controling such a field effect transistor and a frequency mixer means including such a field effect transistor |
08/16/2001 | DE10100559A1 Einfachsymmetrischer Mischer Simply Balanced Mixer |
08/14/2001 | US6275688 Double balanced mixer |
08/14/2001 | US6275686 Differential phase shift amplifier of electrical or physical quantities |
08/14/2001 | US6275020 Frequency analysis method and sweep type spectrum analyzer |
08/09/2001 | WO2001058103A2 Kaskadenfrequenzumsetzer unter verwendung von phasenverschobenen signalen der lokalen oszillatoren |
08/08/2001 | CN1307752A Radio terminal |
08/07/2001 | US6272430 GPS receiver and method for processing GPS signals |
08/07/2001 | US6272312 Satellite broadcasting receiving tuner which inhibits interference caused by satellite broadcast signals having one octave higher frequency band |
08/07/2001 | US6271737 Communication device with feedback for cancellation of perturbations |
08/07/2001 | US6271730 Voltage-controlled oscillator including current control element |
08/07/2001 | CA2237619C Frequency conversion circuit and method for millimeter wave radio |
08/02/2001 | US20010011013 System and method for on-chip filter tuning |
08/01/2001 | EP1119903A1 Circuit for mixing an input signal and an oscillator signal with each other |
08/01/2001 | CN1306699A Direct conversion receiver |
08/01/2001 | CN1306366A Direct conversion demodulator with automatic gain control function |
07/31/2001 | US6269253 Multi-mode wireless communication system |
07/31/2001 | US6268818 Method and apparatus for improving modulation accuracy |
07/26/2001 | WO2001054267A1 Radio fm receiver |
07/26/2001 | WO2001054266A2 Mixer circuit and corresponding method |
07/26/2001 | WO2001017120A3 Freqency translator using a non-periodic local oscillator signal |
07/26/2001 | WO2000028664A3 Fully integrated tuner architecture |
07/25/2001 | EP1119102A2 Feedback circuit and amplifier and mixer comprising the same |
07/24/2001 | US6266518 Method and system for down-converting electromagnetic signals by sampling and integrating over apertures |
07/19/2001 | WO2001052431A1 An rf front-end with a multistage stepdown filtering architecture |
07/19/2001 | WO2001052427A1 Transmitter and radio communication terminal using the same |
07/19/2001 | WO2001052420A1 Digital divider as a local oscillator for frequency synthesis |
07/19/2001 | US20010008430 System and method for providing a low power receiver design |
07/19/2001 | US20010008384 Method for generating frequencies in a dual phase locked loop |
07/19/2001 | US20010008383 Feedback circuit and amplifier and mixer comprising the same |
07/19/2001 | DE19963647A1 Mixer device for digital signal processor has successive mixers supplied with different carrier signals by 2 signal generators using system clock signal and derived control signal |