| Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673) |
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| 08/15/2002 | US20020109527 High-speed output driver |
| 08/14/2002 | EP1231640A1 Semiconductor device |
| 08/13/2002 | US6434199 2N-QAM macrocell |
| 08/13/2002 | US6434187 Digital radiofrequency transceiver |
| 08/13/2002 | US6433647 Low noise I-Q mixer |
| 08/13/2002 | US6433630 Phase shifter, and demodulator employing it |
| 08/13/2002 | US6433591 Frequency-voltage conversion circuit and receiving apparatus |
| 08/08/2002 | WO2002013370A3 Frequency translator using a cordic phase rotator |
| 08/08/2002 | US20020105360 Single-ended differential circuit using complementary devices |
| 08/06/2002 | US6429721 Mixer with stepped gain and constant common mode DC output bias voltage |
| 08/01/2002 | WO2002060058A1 A gps and cellular receiver and a method for tuning and controlling its if filter |
| 08/01/2002 | WO2002033822A3 Circuit arrangement |
| 08/01/2002 | WO2002027954A8 Subharmonic mixer circuit and method |
| 08/01/2002 | WO2001039361A3 Phase shifting applications of universal frequency translation |
| 08/01/2002 | US20020102951 Transmitter, receiver, and radio communications system and method |
| 07/31/2002 | EP1227592A2 Frequency synthesizer and method of generating frequency-divided signal |
| 07/31/2002 | CN1361639A Direct MF digitizing treater in GSM base station receiving system |
| 07/30/2002 | US6427068 Simplified high frequency tuner and tuning method |
| 07/30/2002 | US6426680 System and method for narrow band PLL tuning |
| 07/25/2002 | US20020097682 Low frequency loop-back in a high speed optical transceiver |
| 07/25/2002 | US20020097100 Optimally designed dielectric resonator oscillator (DRO) and method therefor |
| 07/25/2002 | DE10154511A1 Determination of vector response of frequency translation device (FTD) used with communications system, using source for generating excitation signal with and without FTD connected with processing of both response signals together |
| 07/24/2002 | EP1225715A2 Transmitter, receiver, and method |
| 07/24/2002 | CN1360760A Structure of radio-frequency front end |
| 07/24/2002 | CN1088298C Two-purpose circuit for receiving and transmitting |
| 07/24/2002 | CN1088286C Oscillator and frequency synthesizer and communication apparatus using oscillator |
| 07/23/2002 | CA2124878C Intermediate frequency receiver apparatus |
| 07/18/2002 | US20020094794 Method and apparatus for conversion of radio frequency (RF) and baseband signals |
| 07/18/2002 | US20020094792 Signal processing semiconductor integrated circuit device and wireless communication system |
| 07/18/2002 | US20020094788 Signal processing semiconductor integrated circuit device and wireless communication system |
| 07/18/2002 | US20020094036 High precision, low phase noise synthesizer with vector modulator |
| 07/18/2002 | US20020093384 High-directivity and adjusable directional couplers and method therefor |
| 07/17/2002 | EP1223681A1 Local oscillation signal supply method and circuit therefor |
| 07/17/2002 | EP1223434A2 Combined GPS positioning system and communications system utilizing shared circuitry |
| 07/17/2002 | EP1222733A2 Down converter using subsampling |
| 07/17/2002 | CN1359589A Single-chip digital cable TV/cable modem tuner IC |
| 07/16/2002 | US6421534 Integrated frequency translation and selectivity |
| 07/16/2002 | US6421002 GPS receiver utilizing a communication link |
| 07/11/2002 | WO2001039362A3 Gilbert-cell mixer using bipolar transistors |
| 07/11/2002 | US20020090924 Simplified high frequency tuner and tuning method |
| 07/11/2002 | US20020090917 Frequency synthesizer and method of generating frequency-divided signal |
| 07/10/2002 | EP1221258A1 Single-chip digital cable tv/cable modem tuner ic |
| 07/10/2002 | CN1358348A Apparatus for receiving and processing radio frequency signal |
| 07/04/2002 | WO2002052716A1 Frequency transposition device |
| 07/04/2002 | WO2002039604A8 Common carrier, multiple output rf upconverter |
| 07/04/2002 | WO2001093417A3 Low noise, low distortion gilbert cell mixer with gain control, and method |
| 07/04/2002 | US20020086654 Radio frequency tuner |
| 07/04/2002 | US20020084933 Method for open loop tracking GPS signals |
| 07/03/2002 | EP1219021A2 Image rejection |
| 07/03/2002 | CN1357169A Image rejection |
| 07/02/2002 | US6415001 System and process for shared frequency source multi-band transmitters and receivers |
| 07/02/2002 | US6413825 Method for signal processing |
| 06/27/2002 | US20020081983 Signal source with multiphase filter |
| 06/27/2002 | US20020081808 Structure and method for improved signal processing |
| 06/27/2002 | US20020079947 Mixer driver circuit |
| 06/26/2002 | EP1216512A1 A method and a device for producing a signal |
| 06/25/2002 | US6411801 Double balanced active mixer |
| 06/20/2002 | WO2002025807A3 Wideband fast-hopping receiver front-end and mixing method |
| 06/20/2002 | US20020077070 Dual band fet mixer |
| 06/20/2002 | US20020075971 Digital tuner |
| 06/19/2002 | EP1215820A2 Radio frequency tuner |
| 06/19/2002 | EP1214795A2 Apparatus for interference compensation of a direct conversion transceiver and method |
| 06/19/2002 | CN1354568A Instrument for communication system and semiconductor integrated circuit device |
| 06/13/2002 | WO2002047247A1 Multi-mode radio communications device using a common reference oscillator |
| 06/13/2002 | WO2001089093A3 Apparatus for radio frequency processing with single oscillator for intermediate frequency processing |
| 06/13/2002 | WO2000069085A9 Programmable digital intermediate frequency transceiver |
| 06/13/2002 | US20020071653 Tuner |
| 06/13/2002 | US20020071506 Slope drift and offset compensation in zero-if receivers |
| 06/12/2002 | EP1213830A1 Multi-mode radio communications device using a common reference oscillator |
| 06/12/2002 | EP1212830A1 Method for regulating a frequency offset in a base-station receiver of a data communications system |
| 06/11/2002 | US6405022 Apparatus for radio frequency processing with single oscillator for intermediate frequency processing |
| 06/11/2002 | US6404263 Mixer having compensation for harmonics of local oscillator signal |
| 06/06/2002 | WO2002045283A2 Integrated direct conversion satellite tuner |
| 06/06/2002 | WO2002045254A1 High-frequency amplifier and high-frequency mixer |
| 06/06/2002 | WO2002045253A1 High-frequency amplifier |
| 06/06/2002 | WO2002023713A3 Direct conversion tuner |
| 06/05/2002 | EP1211802A1 Filter with tunable bandwidth using two frequency translators |
| 06/05/2002 | EP1119102A9 Feedback circuit and amplifier and mixer comprising the same |
| 06/05/2002 | EP1020037A4 Totem pole mixer having grounded serially connected stacked fet pair |
| 06/05/2002 | EP0789953B1 Automatic tuning of a radio transceiver |
| 06/05/2002 | CN1352496A 双超外差调谐器 Double superheterodyne tuner |
| 06/05/2002 | CN1086068C Local signal generator and a communication method for producing local signals |
| 06/04/2002 | US6400936 Low-noise lossless feedback double-balanced active mixers |
| 06/04/2002 | US6400416 Single-chip digital cable TV/cable modem tuner IC |
| 06/04/2002 | US6400314 GPS receiver utilizing a communication link |
| 06/04/2002 | US6399406 Encapsulated MEMS band-pass filter for integrated circuits and method of fabrication thereof |
| 05/30/2002 | WO2002043255A2 Quadrature generator with image reject mixer |
| 05/30/2002 | US20020065061 Double balanced mixer circuit |
| 05/30/2002 | US20020065059 Tuner |
| 05/30/2002 | US20020065057 Radio FM receiver |
| 05/30/2002 | US20020063606 Receiver circuit |
| 05/29/2002 | EP1209924A1 VTR signal processing circuit |
| 05/29/2002 | EP1209740A2 Equipment for communication system and semiconductor integrated circuit device |
| 05/29/2002 | EP1208653A1 Improved method and apparatus for up- and down-conversion of radio frequency (rf) signals |
| 05/29/2002 | EP1208651A1 Improved method and apparatus for up-conversion of radio frequency (rf) signals |
| 05/29/2002 | EP1208650A2 Frequency translator using a non-periodic local oscillator signal |
| 05/29/2002 | EP1119903B1 Circuit for mixing an input signal and an oscillator signal with each other |
| 05/29/2002 | EP1013092B1 Direct-conversion tuner integrated circuit for direct broadcast satellite television |
| 05/28/2002 | US6397051 Dual image-reject mixer receiver for multiple channel reception and processing |
| 05/28/2002 | US6397048 Signal processing apparatus and communication apparatus |