| Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673) |
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| 02/17/2005 | US20050037716 Apparatus and method for wideband integrated radio frequency detection |
| 02/17/2005 | US20050036566 Transceiver architecture with reduced VCO-pulling sensitivity |
| 02/16/2005 | CN1190015C 调谐器 Tuner |
| 02/15/2005 | US6856925 Active removal of aliasing frequencies in a decimating structure by changing a decimation ratio in time and space |
| 02/10/2005 | US20050030108 Integrated VCO having an improved tuning range over process and temperature variations |
| 02/09/2005 | EP1504524A2 Mirror suppression circuit in a quadrature demodulator |
| 02/09/2005 | CN1578203A 频差测量方法 Frequency difference measurement method |
| 02/09/2005 | CN1189001C Phase interpolation receiver for angle modulated RF signals |
| 02/08/2005 | US6853690 Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments |
| 02/03/2005 | WO2005011103A1 Offset correction for down-conversion mixers |
| 02/03/2005 | US20050028210 High frequency signal receiver |
| 02/03/2005 | US20050025270 Active removal of aliasing frequencies in a decimating structure by changing a decimation ratio in time and space |
| 02/03/2005 | US20050025269 Active removal of aliasing frequencies in a decimating structure by changing a decimation ratio in time and space |
| 02/03/2005 | US20050025268 Active removal of aliasing frequencies in a decimating structure by changing a decimation ratio in time and space |
| 02/03/2005 | US20050025085 Wireless local area network translating bi-directional packet repeater |
| 02/02/2005 | EP1502364A1 Multiple-input multiple-output radio transceiver |
| 02/02/2005 | CN1574609A Multiple conversion tuner |
| 02/01/2005 | US6850753 Tunable low noise amplifier and current-reused mixer for a low power RF application |
| 02/01/2005 | US6850752 Single-to-differential conversion circuit outputting DC-balanced differential signal |
| 02/01/2005 | US6850575 Single side band modulator |
| 01/27/2005 | WO2005008928A2 System and method for an upconverter for stacked intermediate frequency carriers |
| 01/27/2005 | CA2531785A1 System and method for an upconverter for stacked intermediate frequency carriers |
| 01/26/2005 | EP1500203A2 Active radio frequency mixer circuit with feedback |
| 01/26/2005 | EP1500185A2 Integrated circuit |
| 01/26/2005 | CN1572107A Methods and apparatus for implementing a receiver on a monolithic integrated circuit |
| 01/26/2005 | CN1572054A 谐波混合器 Harmonic mixer |
| 01/25/2005 | US6847811 Receiver circuit compensation for filter response error |
| 01/25/2005 | US6847808 Ultra-high linearity RF passive mixer |
| 01/25/2005 | CA2411425C Frequency conversion apparatus |
| 01/25/2005 | CA2347078C Method and system for down-converting an electromagnetic signal |
| 01/25/2005 | CA2305134C Down/up-conversion apparatus and method |
| 01/20/2005 | US20050013385 Carrier suppression type modulator with encoded modulating signals |
| 01/19/2005 | EP1499029A2 Multimode wireless communication system |
| 01/18/2005 | US6844787 Method and apparatus for re-modulation using zero IF |
| 01/13/2005 | US20050009495 Frequency converter using multi-phase mixer |
| 01/13/2005 | US20050009494 Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same |
| 01/13/2005 | US20050009477 System and method for an upconverter for stacked intermediate frequency carriers |
| 01/13/2005 | US20050007498 Tuner for reception of digital and analog television signals |
| 01/12/2005 | EP1496610A1 Frequency converter with carrier self-mixing suppression |
| 01/11/2005 | US6842198 TV signal receiving tuner capable of outputting oscillation signal having wide frequency band by means of single local oscillator |
| 01/11/2005 | US6842077 Voltage controlled oscillator for use in a phase locked loop |
| 01/11/2005 | US6842066 Bias circuit and semiconductor device |
| 01/06/2005 | WO2004098043A3 Mixer-system with gain-blocks and switches |
| 01/06/2005 | US20050005296 NxM crosspoint switch with band translation |
| 01/06/2005 | US20050003853 Multiband receiver and method associated therewith |
| 01/06/2005 | US20050003773 Multiple conversion tuner |
| 01/06/2005 | US20050002450 Frequency difference measuring method |
| 01/06/2005 | US20050001937 Television tuner and method of processing a received rf signal |
| 01/06/2005 | US20050001669 Mixer circuit offset compensation |
| 01/05/2005 | EP1494386A2 Frequency difference measuring method |
| 01/05/2005 | CN1561116A VTR signal processing circuit |
| 01/04/2005 | US6839551 Radio frequency mixer and method of operation |
| 01/04/2005 | US6838947 Apparatus and method for phase lock loop gain control using unit current sources |
| 12/29/2004 | EP1490963A2 Quadrature switching mixer with reduced leakage |
| 12/29/2004 | EP1490961A2 Linearity improvement of gilbert mixers |
| 12/29/2004 | CN1558713A Multilayer substrate module and wireless portable terminal |
| 12/29/2004 | CN1558712A Multilayer substrate module and wireless portable terminal |
| 12/28/2004 | US6836650 Methods and systems for down-converting electromagnetic signals, and applications thereof |
| 12/23/2004 | WO2004112141A1 Frequency converting circuit of direct conversion reception, semiconductor integrated circuit thereof, and direct conversion receiver |
| 12/23/2004 | WO2004112140A1 Mixer circuit |
| 12/23/2004 | US20040259519 Passive harmonic switch mixer |
| 12/23/2004 | US20040259518 Multi standard transceiver architecture for wlan |
| 12/23/2004 | US20040259512 Electronic component with integrated tuning device, allowing the decoding of digital terrestrial or cable television signals |
| 12/23/2004 | US20040257480 Electronic component allowing the decoding of digital terrestrial or cable television signals |
| 12/23/2004 | US20040257479 Dual mode television tuner capable of processing both digital and satellite television signals and method thereof |
| 12/23/2004 | US20040257478 Harmonic mixer based television tuner and method of processing a received rf signal |
| 12/23/2004 | US20040257129 Rectifier type frequency doubler with harmonic cancellation |
| 12/22/2004 | EP1489753A2 High frequency signal receiver |
| 12/22/2004 | EP1488509A2 Radio-frequency signal frequency conversion device for a low power rf receiver |
| 12/16/2004 | WO2004109943A1 Multiband mixer |
| 12/16/2004 | WO2004109904A1 Mixer circuit, receiver comprising a mixer circuit, wireless communication comprising a receiver, method for generating an output signal by mixing an input signal with an oscillator signal |
| 12/16/2004 | US20040253938 Multiband mixer |
| 12/16/2004 | US20040252245 Electronic component allowing the decoding of digital terrestrial or cable television signals |
| 12/15/2004 | EP1485999A1 Method and apparatus for digital frequency conversion |
| 12/15/2004 | EP1485992A2 Frequency converting circuit arrangement and mobile radio set comprising said circuit arrangement |
| 12/15/2004 | EP1425857A4 Digital down converter |
| 12/15/2004 | CN1180529C Mixed and converter using the same mixer |
| 12/14/2004 | US6832071 Satellite broadcast reception system capable of connection with plurality of satellite receivers |
| 12/14/2004 | US6831582 Method and circuit configuration for mixing a digital signal with an analogue signal |
| 12/09/2004 | US20040248537 Radio-frequency signal frequency conversion device for a low power rf receiver |
| 12/09/2004 | US20040246047 Method and apparatus for conversion of radio frequency (rf) signals using aperiodic mixing signals |
| 12/08/2004 | EP1484913A2 Systems and methods for digital RF modulation of television signals |
| 12/08/2004 | EP1484838A2 Reduced local oscillator feedthrough quadrature image reject mixer |
| 12/08/2004 | EP1483827A1 Circuit arrangement for frequency conversion and mobile radio device with the circuit arrangement |
| 12/08/2004 | EP1380163A4 Combination tuner for earth and satellite broadcasting |
| 12/08/2004 | EP1374421A4 Interference reduction for direct conversion receivers |
| 12/08/2004 | EP1300939A9 Even harmonic mixer |
| 12/08/2004 | EP1300827A9 Image processing device for transmitting color with fidelity and image data providing method |
| 12/08/2004 | EP1222733B1 Down converter using subsampling |
| 12/07/2004 | US6829469 Method and a device for producing a signal |
| 12/07/2004 | US6829311 Complex valued delta sigma phase locked loop demodulator |
| 12/07/2004 | US6828874 Signal combiner |
| 12/07/2004 | US6828844 Mixer which assures satisfactory performance even at low supply voltage |
| 12/02/2004 | US20040243655 Direct RF sampling for cable applications and other broadband signals |
| 12/02/2004 | US20040242180 Linearised mixer using frequency retranslation |
| 12/02/2004 | US20040242178 Circuit for compensating for the declination of balanced impedance elements and a frequency mixer |
| 12/01/2004 | EP1482635A2 Transceiver, and method |
| 12/01/2004 | EP1481485A1 A multi-band receiver |
| 12/01/2004 | EP1382142A4 Even-order non-linearity correction feedback for gilbert style mixers |
| 12/01/2004 | EP1145030B1 Multi-conversion radar detector having increased tuning range and self-calibrating function |