| Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673) |
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| 05/10/2005 | US6891423 Quadrature switching mixer with reduced leakage |
| 05/04/2005 | EP1527514A1 Receiver comprising multiple parallel reception means |
| 05/04/2005 | CN1613177A Multiple analog and digital downconversion |
| 05/04/2005 | CN1612490A Frequency circuit, radio frequency receiver and radio receiving-transmitting machine |
| 05/03/2005 | US6889037 Reducing active mixer flicker noise |
| 05/03/2005 | US6888580 Integrated single and dual television tuner having improved fine tuning |
| 05/03/2005 | US6888416 Oscillator/mixer circuit having reduced area requirement when produced on a chip |
| 04/28/2005 | WO2005039043A1 Amplifier circuit |
| 04/28/2005 | US20050090223 Use of a down-bond as a controlled inductor in integrated circuit applications |
| 04/28/2005 | US20050088263 High performance switch for switched inductor tuned RF circuit |
| 04/28/2005 | US20050088262 Tuning RF circuits using switched inductors |
| 04/28/2005 | US20050088204 High linearity passive mixer and associated LO buffer |
| 04/28/2005 | US20050087813 Direct conversion receiver using vertical bipolar junction transistor available in deep n-well cmos technology |
| 04/27/2005 | EP1526637A1 Tuning RF circuits using switched inductors |
| 04/27/2005 | EP1526572A2 Semiconductor package with bond wire inductors |
| 04/27/2005 | CN1199483C Oscillator |
| 04/27/2005 | CN1199414C Multiple frequency band data communication equipment and communication method |
| 04/26/2005 | US6885275 Multi-track integrated spiral inductor |
| 04/26/2005 | US6885248 Single-ended differential circuit using complementary devices |
| 04/21/2005 | WO2005036762A1 Method and apparatus for accurately detecting validity of a received signal |
| 04/21/2005 | US20050085208 Apparatus, system, and method for down-converting and up-converting electromagnetic signals |
| 04/21/2005 | US20050085207 Apparatus, system, and method for down-converting and up-converting electromagnetic signals |
| 04/21/2005 | US20050085205 Radio frequency unit analog level detector and feedback control system |
| 04/20/2005 | EP1524775A1 Radio-frequency receiver and integrated circuit for use in receiver |
| 04/20/2005 | CN1607737A Radio-frequency receiver and integrated circuit for use in receiver |
| 04/20/2005 | CN1607720A Direct conversion receiver employing subharmonic frequency translator architecture and related preprocessor |
| 04/20/2005 | CN1198386C Electronic tuner |
| 04/19/2005 | US6882194 Class AB differential mixer |
| 04/19/2005 | US6882191 Rectifier type frequency doubler with harmonic cancellation |
| 04/14/2005 | US20050079849 Receiver for down-conversion of dual band for digital multimedia broadcasting or digital audio broadcasting |
| 04/14/2005 | US20050079839 Radio-frequency receiver and integrated circuit for use in receiver |
| 04/14/2005 | US20050078773 Method and apparatus for accurately detecting validity of a received signal |
| 04/14/2005 | US20050077930 Frequency generator and communication system |
| 04/13/2005 | EP1500203A4 Active radio frequency mixer circuit with feedback |
| 04/13/2005 | CN1606826A Radio-frequency signal frequency conversion device for a low power RF receiver |
| 04/13/2005 | CN1606244A Receiver for down-conversion of dual band for digital multimedia broadcasting or digital audio broadcasting |
| 04/13/2005 | CN1197261C Frequency converter and communication device |
| 04/13/2005 | CN1197258C Apparatus for receiving and processing radio frequency signal |
| 04/12/2005 | US6879817 DC offset, re-radiation, and I/Q solutions using universal frequency translation technology |
| 04/12/2005 | US6879816 Integrated switchless programmable attenuator and low noise amplifier |
| 04/12/2005 | US6879643 Process and device for controlling the phase shift between four signals mutually in phase quadrature |
| 04/12/2005 | US6879192 Even harmonic mixer with high-input, third-order intercept point |
| 04/07/2005 | US20050075087 Frequency converter, orthogonal demodulator and orthogonal modulator |
| 04/07/2005 | US20050073352 High linearity passive mixer and associated LO buffer |
| 04/05/2005 | US6876939 Method and device of carrier wave frequency calibration for remote controller |
| 04/05/2005 | US6876842 Superheterodyne receivers |
| 04/05/2005 | US6876839 Intermediate frequency planning in radio transmitters and receivers |
| 04/05/2005 | US6876402 Television tuner intermediate-frequency circuit that hardly suffers disturbance of adjacent channel |
| 03/31/2005 | WO2005029696A1 High performance low noise amplifier |
| 03/31/2005 | WO2005029693A1 System and method for frequency translation with harmonic suppression using mixer stages |
| 03/31/2005 | US20050070242 System and method for frequency translation with harmonic suppression using mixer stages |
| 03/31/2005 | US20050068096 Apparatus for continuous phase quadrature amplitude modulation and demodulation |
| 03/31/2005 | US20050068094 Filter circuit and detection circuit having filter circuit |
| 03/30/2005 | EP0958653B1 Transmit signal generation with the aid of a receiver |
| 03/29/2005 | US6873836 Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology |
| 03/29/2005 | US6873205 Active continuous-time filter with increased dynamic range in the presence of blocker signals |
| 03/24/2005 | WO2005027339A1 Mixer circuit, receiver comprising a mixer circuit, method for generating an output signal by mixing an input signal with an oscillator signal |
| 03/24/2005 | US20050064840 Wideband distributed mixers |
| 03/23/2005 | EP1517436A2 Down converter using subsampling |
| 03/23/2005 | EP1516468A2 Receiver device, especially for mobile radio |
| 03/22/2005 | US6871059 Passive balun FET mixer |
| 03/22/2005 | US6871058 Frequency conversion circuit |
| 03/22/2005 | US6871057 Mixer circuit |
| 03/17/2005 | US20050059376 System and method for frequency translation with harmonic suppression using mixer stages |
| 03/17/2005 | US20050057305 Radio frequency low noise amplifier with automatic gain control |
| 03/16/2005 | EP1515430A1 Mixer for the conversion of radio frequency signals into baseband signals |
| 03/16/2005 | EP1514346A2 Image rejection quadratic filter |
| 03/15/2005 | US6868129 Demodulator for a radio receiver and method of operation |
| 03/10/2005 | US20050054310 Heterodyne system |
| 03/09/2005 | EP1512219A2 Analogue mixer |
| 03/09/2005 | CN1592855A Method for open loop tracking GPS signals |
| 03/09/2005 | CN1592303A Methods and systems for application instance level workload distribution affinities |
| 03/09/2005 | CN1592085A Communication apparatus, electronic equipment communication function circuit, amplifier circuit and balun circuit |
| 03/09/2005 | CN1192500C Structure of radio-frequency front end |
| 03/09/2005 | CN1192498C Transmitter/receiver unit |
| 03/09/2005 | CN1192496C Radio terminal device |
| 03/09/2005 | CN1192494C Multi-carrier radio system and radio transceiver implementation |
| 03/09/2005 | CN1192490C Method of sampling, downconverting and digitizing bandpass signal using digital predictive coder |
| 03/08/2005 | US6865382 Mixer having low noise, controllable gain, and/or low supply voltage operation |
| 03/08/2005 | US6865381 System and method for on-chip filter tuning |
| 03/08/2005 | US6864754 Integral mixer and oscillator device |
| 03/08/2005 | US6864728 Frequency multiplier and amplification circuit |
| 03/03/2005 | US20050050202 Methods, systems and computer program products for application instance level workload distribution affinities |
| 03/03/2005 | US20050046600 Robust system for transmitting and receiving map data |
| 03/02/2005 | EP1509996A1 Step-up frequency converter |
| 03/02/2005 | CN1589556A Digital implementation of multi-channel demodulators |
| 03/01/2005 | US6861964 Robust system for transmitting and receiving map data |
| 03/01/2005 | US6861891 Sub-harmonic mixer |
| 02/24/2005 | US20050043004 Communication apparatus, electronic equipment with communication functions, communication function circuit, amplifier circuit and balun circuit |
| 02/24/2005 | US20050043003 Passive mixer with improved linearity |
| 02/24/2005 | US20050043002 Method and apparatus for direct digital to rf conversion using pulse shaping |
| 02/24/2005 | US20050043000 Frequency converter and radio communication device using same |
| 02/24/2005 | US20050041802 Systems and methods for digital upconversion for television signals |
| 02/24/2005 | US20050041759 I/Q demodulation circuit |
| 02/23/2005 | CN1585284A 高频信号接收机 High-frequency signal receiver |
| 02/23/2005 | CN1585262A I/Q demodulation circuit |
| 02/22/2005 | US6859648 Semiconductor integrated circuit device |
| 02/22/2005 | US6859085 Mixer circuit and differential amplifier circuit |
| 02/17/2005 | WO2005015759A1 Transceiver architecture with reduced vco-pulling sensitivity |
| 02/17/2005 | US20050037726 Absorbing sum signal energy in a mixer |