| Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673) |
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| 05/02/2006 | US7039382 DC offset calibration for a radio transceiver mixer |
| 05/02/2006 | US7039375 Up/down converter |
| 05/02/2006 | US7039372 Method and system for frequency up-conversion with modulation embodiments |
| 05/02/2006 | US7038501 Transconductor circuit for compensating the distortion of output current |
| 05/02/2006 | US7038465 System and method for calibrating balanced signals |
| 04/27/2006 | WO2006044373A1 A hybrid receiver architecture using upconversion followed by direct downconversion |
| 04/27/2006 | WO2005078921A3 Radio frequency low noise amplifier with automatic gain control |
| 04/27/2006 | DE19810617B4 Hybrid-Übertrager für HF-Mischer in gedruckter Schaltung Transformer hybrid for RF mixer in printed circuit |
| 04/27/2006 | CA2583657A1 A hybrid receiver architecture using upconversion followed by direct downconversion |
| 04/26/2006 | CN1254026C Instrument for communication system |
| 04/25/2006 | US7035616 Two-stage variable-gain mixer employing shunt feedback |
| 04/25/2006 | US7035615 Mixer circuit having improved even order noise, DC offset, and linearity characteristic |
| 04/25/2006 | US7035614 System and method for discovering frequency related spurs in a multi-conversion tuner |
| 04/20/2006 | WO2006040997A1 Bidirectional frequency converter and radio equipment using same |
| 04/20/2006 | WO2006021940A3 Methods and apparatuses for intrasystem and intersystem sliding intermediate frequency transception |
| 04/20/2006 | US20060083329 Methods and systems for utilizing universal frequency translators for phase and/or frequency detection |
| 04/20/2006 | DE10335044B4 Demodulationsanordnung für ein Funksignal Demodulating a radio signal |
| 04/20/2006 | DE102005045592A1 Frequency converter has two polyphase filters sandwiching a frequency converter that combine to damp unwanted signals |
| 04/19/2006 | EP1648084A1 Mixer Circuit |
| 04/19/2006 | EP1647097A1 Transceiver architecture with reduced vco-pulling sensitivity |
| 04/18/2006 | US7031688 Direct-conversion receiver system and method with quadrature balancing and DC offset removal |
| 04/18/2006 | US7031687 Balanced circuit arrangement and method for linearizing such an arrangement |
| 04/18/2006 | US7031686 Image rejection mixer with mismatch compensation |
| 04/18/2006 | US7030667 Frequency conversion circuit arrangement and mobile radio comprising said circuit arrangement |
| 04/13/2006 | US20060080106 System and method of voice recognition near a wireline node of a network supporting cable television and/or video delivery |
| 04/12/2006 | EP1259997B1 Signal combiner |
| 04/12/2006 | EP1219021B1 Image rejection |
| 04/12/2006 | CN1759530A Electrical circuit, apparatus and method for the demodulation of an intensity-modulated signal |
| 04/06/2006 | WO2005008928A3 System and method for an upconverter for stacked intermediate frequency carriers |
| 04/06/2006 | US20060073800 Selectable high-side/low-side mix for high intermediate frequency (IF) receivers |
| 04/06/2006 | US20060073798 Tuner |
| 04/04/2006 | US7024170 Frequency conversion apparatus |
| 04/04/2006 | US7023948 Frequency converter arrangement |
| 04/04/2006 | US7023279 Linear pre-amplifier for radio-frequency power amplifier |
| 04/04/2006 | CA2296216C Elimination of spurious signals in a double conversion tuner using a dynamic intermediate frequency and a preselected crystal reference frequency |
| 03/30/2006 | WO2006034021A1 Zero if down converter with even order harmonic suppression |
| 03/30/2006 | WO2005109625A3 Integrated analog video receiver |
| 03/30/2006 | WO2005101647A3 Harmonic propulsion and harmonic controller |
| 03/30/2006 | US20060068748 Communication semiconductor integrated circuit and radio communication system |
| 03/30/2006 | US20060068743 Receiver of double conversion system |
| 03/30/2006 | DE102005030345A1 Mixer for high frequency transceiver has voltage supply circuit connected to Schottky barrier diode and comprising trimmable chip resistor which controls bias current to Schottky barrier diode provided at output terminal of coupler |
| 03/29/2006 | CN2768314Y RF circuit with stack printed circuit board |
| 03/28/2006 | US7020190 Frequency translator using a cordic phase rotator |
| 03/28/2006 | US7019599 Apparatus for continuous phase quadrature amplitude modulation and demodulation |
| 03/28/2006 | US7019598 Integrated VCO having an improved tuning range over process and temperature variations |
| 03/23/2006 | US20060063504 Three-phase mixer-systems |
| 03/23/2006 | US20060061685 Receiver comprising multiple parallel reception means |
| 03/22/2006 | EP1638210A1 VLIF transmitter for a "Bluetooth Wireless Technology" device |
| 03/22/2006 | EP1636901A1 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 |
| 03/22/2006 | EP1236285B1 Receiver circuit |
| 03/21/2006 | US7016664 Mixer circuit arrangement and an image-reject mixer circuit arrangement |
| 03/21/2006 | US7016663 Applications of universal frequency translation |
| 03/21/2006 | US7016662 Method and apparatus for up-conversion of radio frequency (RF) signals |
| 03/21/2006 | US7015981 Television signal transmitter capable of eliminating occurrence of adverse influences caused by interference signals |
| 03/21/2006 | US7015755 Stacked modulator and automatic gain control amplifier |
| 03/15/2006 | EP1635451A1 Frequency mixing apparatus |
| 03/15/2006 | CN1748361A Frequency converter and frequency conversion method using light excitation surface plasma |
| 03/14/2006 | US7013122 Ultra high isolation mixer |
| 03/14/2006 | US7013120 Walking weaver image reject mixer for radio |
| 03/14/2006 | US7013115 Method for the generation of modulation by frequency division followed by frequency multiplication, and radiofrequency apparatus |
| 03/14/2006 | US7012457 Mixer circuit offset compensation |
| 03/09/2006 | DE102005037877A1 Diodenmischer Diode mixer |
| 03/09/2006 | DE102005030221A1 Verfahren zur Messung einer Frequenzumformervorrichtung A method for measuring a Frequenzumformervorrichtung |
| 03/08/2006 | EP1633001A1 Frequency converting circuit of direct conversion reception, semiconductor integrated circuit thereof, and direct conversion receiver |
| 03/08/2006 | EP1633000A1 Mixer circuit |
| 03/08/2006 | EP1632035A1 Multiband mixer |
| 03/08/2006 | CN1745514A Three-phase mixer-system |
| 03/08/2006 | CN1744428A Adaptive-biased mixer |
| 03/07/2006 | US7010286 Apparatus, system, and method for down-converting and up-converting electromagnetic signals |
| 03/02/2006 | WO2006021940A2 Methods and apparatuses for intrasystem and intersystem sliding intermediate frequency transception |
| 03/02/2006 | US20060046678 High-frequency receiver and portable device using the same |
| 03/01/2006 | EP1630950A1 High-frequency receiver and portable device using the same |
| 03/01/2006 | CN1741591A High-frequency receiver and portable device using the same |
| 03/01/2006 | CN1741369A Mixer |
| 02/28/2006 | US7006813 Efficient charge transfer using a switched capacitor resistor |
| 02/28/2006 | US7006162 Tuner |
| 02/23/2006 | US20060040636 Mixer capable of detecting or controlling common mode voltage thereof |
| 02/23/2006 | US20060040634 Mixers with a plurality of local oscillators and systems based thereon |
| 02/22/2006 | EP1628398A1 Frequency band switching circuit with reduced signal loss |
| 02/22/2006 | EP1628391A2 Front-end circuit for a receiver |
| 02/22/2006 | EP1290889B1 System and method of voice recognition near a wireline node of a network supporting cable television and/or video delivery |
| 02/22/2006 | EP1163719B1 Radio fm receiver |
| 02/22/2006 | CN1738190A Signal reception front-end circuit, signal reception circuit, and communication apparatus comprising the same |
| 02/21/2006 | US7003275 Agile frequency converter for multichannel systems using IF-RF level exhange and tunable filters |
| 02/21/2006 | US7003263 Telecommunications receiver and a transmitter |
| 02/21/2006 | US7003262 Method and device for determining sideband ratio of superconduction mixer using comb generator |
| 02/21/2006 | US7002396 Frequency converter |
| 02/21/2006 | US7002238 Use of a down-bond as a controlled inductor in integrated circuit applications |
| 02/16/2006 | DE102004037249A1 Doppel-Superheterodynempfänger Double superheterodyne |
| 02/14/2006 | US6999747 Passive harmonic switch mixer |
| 02/14/2006 | US6999746 Image rejection mixer |
| 02/14/2006 | US6999525 Receiving device and integrated circuit for reception |
| 02/08/2006 | EP1623499A1 Multistage frequency conversion |
| 02/08/2006 | EP1623498A1 Receiver front-end with low power consumption |
| 02/08/2006 | CN1731840A 调谐器 Tuner |
| 02/08/2006 | CN1241322C Frequency conversion circuit |
| 02/07/2006 | CA2375173C Integrated circuit adjustable rf mixer |
| 02/02/2006 | US20060025099 Apparatus and method for downward mixing an input signal into an output signal |
| 02/02/2006 | US20060022722 Frequency converter |
| 02/01/2006 | EP1620941A2 Mixer-system with gain-blocks and switches |