| Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673) |
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| 02/01/2006 | CN1729626A An RF front-end receiver |
| 02/01/2006 | CN1729616A Minimizing 1/f noise configuration for ZIF mixer |
| 02/01/2006 | CN1729615A Mixer system with amplitude, common mode and phase corrections |
| 02/01/2006 | CN1240192C Distribution of radio-frequency signals through low bandwidth infrastructure |
| 01/31/2006 | US6993295 Weaver image reject mixer with fine resolution frequency step size |
| 01/26/2006 | US20060019624 Simplified high frequency tuner and tuning method |
| 01/26/2006 | US20060019617 Apparatus, system, and method for down converting and up converting electromagnetic signals |
| 01/25/2006 | EP0847628B1 Common transmit module for a programmable digital radio |
| 01/25/2006 | CN1726649A Transmission circuit and transmitter/receiver using same |
| 01/25/2006 | CN1726635A Three-phase mixer-systems |
| 01/25/2006 | CN1725653A High power millimeter wave upper frequency converter power amplification assembly based on three branch combining network |
| 01/25/2006 | CN1239000C Direct conversion demodulator with automatic gain control function |
| 01/24/2006 | US6989705 High linearity passive mixer and associated LO buffer |
| 01/19/2006 | US20060014513 Communication semiconductor integrated circuit device and a wireless communication system |
| 01/19/2006 | US20060014501 Applications of universal frequency translation |
| 01/18/2006 | CN1723610A Regenerative divider for up and down conversion of radio frequency (RF) signals |
| 01/18/2006 | CN1723609A Multi-mode modulator and transmitter |
| 01/18/2006 | CN1722734A A method for automatic configuration of terminal equipment |
| 01/18/2006 | CN1722610A Frequency transforming method and receiver |
| 01/18/2006 | CN1722609A Mixer circuit for direct conversion transceiver with improved second intermodulation product |
| 01/18/2006 | CN1237707C Direct conversion receiver employing subharmonic frequency translator architecture and related preprocessor |
| 01/17/2006 | CA2303459C Transmitter-receiver for use in broadband wireless access communications systems |
| 01/12/2006 | WO2006002945A1 Balanced mixer using fits |
| 01/12/2006 | US20060009173 Step-up frequency converter |
| 01/11/2006 | EP1615336A1 Radio receiver front-end and a method for suppressing out-of-band interference |
| 01/11/2006 | EP0963626B1 Apparatus in a communication system |
| 01/11/2006 | CN1720667A Excess delay spread detection method for multi-carrier communication systems |
| 01/11/2006 | CN1719723A Differential amplifier circuit and mixer circuit having improved linearity |
| 01/10/2006 | US6985092 Robust system for transmitting and receiving map data |
| 01/05/2006 | US20060004919 Method of measuring frequency translation device |
| 01/05/2006 | US20060003727 RF front-end receiver |
| 01/05/2006 | US20060003726 Automatic gain control using signal and interference power to obtain extended blocking performance |
| 01/05/2006 | US20060001472 Mixer circuit |
| 01/05/2006 | DE102005025612A1 Tuner Tuner |
| 01/04/2006 | EP1611688A2 Tuner for radio frequency receivers and associated method |
| 01/04/2006 | CN1716789A System and method for realizing high side and low side injection frequency signal filter |
| 01/04/2006 | CN1235396C High frequency signal transmission device and electronic tuner using it |
| 01/04/2006 | CN1235378C Modulator with low sensitivity to amplitude and phase errors of the carrier signal |
| 01/03/2006 | US6983132 Multi-band RF receiving method and apparatus in mobile communication system |
| 01/03/2006 | US6983131 Circuit configuration for direct modulation |
| 01/03/2006 | US6982588 Inverse function method for semiconductor mixer linearity enhancement |
| 12/29/2005 | WO2005125025A1 Apparatus and method for processing signals in a multi-channel receiver |
| 12/28/2005 | EP1374427A4 Frequency plan |
| 12/28/2005 | CN1713524A Radio frequency tuner |
| 12/28/2005 | CN1713515A Digital medium-frequency discriminator |
| 12/28/2005 | CN1234205C Micrometer wave and milimeter wave quartic harmonic mixer |
| 12/22/2005 | WO2005122391A1 Method and circuit arrangement for prevention of interference in an intermediate frequency signal and am receiver comprising such a method or circuit arrangement |
| 12/22/2005 | US20050282517 Radio frequency tuner |
| 12/22/2005 | US20050282510 Linear mixer with current amplifier |
| 12/22/2005 | US20050280742 HDTV chip with a single if strip for handling analog and digital reception |
| 12/22/2005 | US20050280462 Inverse function method for semiconductor mixer linearity enhancement |
| 12/22/2005 | DE102004030039B3 Mischerschaltung Mixer circuit |
| 12/21/2005 | EP1425845B1 Harmonic mixer |
| 12/21/2005 | CN1711699A Receiver of double conversion system |
| 12/15/2005 | WO2005119902A1 Image removing circuit |
| 12/15/2005 | US20050277395 Device for converting frequencies, method of calibrating said device and system for transmitting/receiving electromagnetic signals comprising such a device |
| 12/15/2005 | US20050277389 Circuit arrangement for a wideband mixer with predistortion and high linearity |
| 12/15/2005 | US20050275026 MOSFET parametric amplifier |
| 12/15/2005 | DE19756323B4 Mehrfachabgriff-Hochfrequenzmodulator Multi-tap RF modulator |
| 12/14/2005 | EP1605585A1 Harmonic mixer using anti parallel diodes |
| 12/14/2005 | EP1605584A1 Device for converting frequencies, method of calibrating the said device and system for transmitting/receiving electromagnetic signals comprising such a device |
| 12/14/2005 | EP1605583A1 Low voltage mixer |
| 12/14/2005 | CN1707948A Tuner |
| 12/14/2005 | CN1707940A Device for converting frequencies, method of calibrating said device |
| 12/08/2005 | US20050272398 Low voltage mixer |
| 12/08/2005 | US20050272397 Mixer having dynamic biasing |
| 12/08/2005 | US20050272396 Angle demodulation apparatus, local oscillation apparatus, angle demodulation method, local oscillation signal generating method, recording medium and computer data signal |
| 12/08/2005 | US20050272395 Method and circuit for down-converting a signal |
| 12/08/2005 | US20050272394 Method and apparatus providing improved mixer performance for radio receivers |
| 12/08/2005 | US20050272387 Tuner |
| 12/08/2005 | US20050271180 Phase-locked circuit |
| 12/08/2005 | US20050270081 Down-converter using an on-chip bias circuit for enhancing symmetry and linearity and testing device thereof |
| 12/07/2005 | EP1603235A1 TV tuner capable of outputting signals within a wide frequency band by means of a single local oscillator |
| 12/07/2005 | EP1603229A1 Frequency converter using optical excitation surface plasma and its method |
| 12/07/2005 | EP1247333B1 Frequency converter and method |
| 12/07/2005 | CN1706106A DC trimming circuit for radio frequency (RF) down-conversion |
| 12/07/2005 | CN1230980C Radio FM receiver |
| 12/06/2005 | US6973297 Method and apparatus for down-conversion of radio frequency (RF) signals with reduced local oscillator leakage |
| 12/06/2005 | US6973293 Apparatus and method for compensating for the offset of a mixer |
| 12/06/2005 | US6973136 Radio communications apparatus |
| 12/06/2005 | US6972610 High linearity passive mixer and associated LO buffer |
| 12/06/2005 | CA2285557C Structure and method for super fet mixer having logic-gate generated fet square-wave switching signal |
| 12/01/2005 | US20050266822 Frequency conversion circuit, modulation circuit, polar modulation transmitting circuit, quadrature modulation transmitting circuit, communication instrument, and frequency conversion method |
| 12/01/2005 | US20050266821 Low distortion quadrature mixer and method therefor |
| 12/01/2005 | US20050266818 Television receiver suitable for multi-standard operation and method therefor |
| 12/01/2005 | US20050264371 Differential voltage controlled oscillator using complementary transistors cross-coupled in series, and transceiver using the same |
| 12/01/2005 | DE102004021859A1 Einrichtung und Verfahren zum Heruntermischen eines über Funk empfangenen Hochfrequenzsignals in das Basisband Apparatus and method for mixing down a received radio frequency signal into the baseband |
| 11/29/2005 | US6970687 Mixer |
| 11/29/2005 | US6970052 Modulator immune from temperature variation-induced change in modulation factor |
| 11/24/2005 | WO2005112281A1 Method and system for spurious signal control in receivers |
| 11/24/2005 | WO2005112251A1 Balanced mixer with calibration of load impedances |
| 11/24/2005 | US20050260961 Tuner arrangement |
| 11/24/2005 | US20050258901 System and method for linearizing a CMOS differential pair |
| 11/24/2005 | US20050258888 Method and apparatus for a gain controlled mixer |
| 11/24/2005 | DE19901751B4 Mehrfachüberlagerungsstufe für einen Empfänger oder Spektrumanalysator Multiple superposition stage for a receiver or spectrum analyzer |
| 11/24/2005 | CA2566476A1 Method and system for spurious signal control in receivers |
| 11/23/2005 | CN1700593A Tuner arrangement |
| 11/22/2005 | US6968165 Frequency scanning receiver permitting quick PPL setting |
| 11/22/2005 | US6968159 Frequency converter and communication device |
| 11/22/2005 | US6968017 Low phase noise frequency converter |