Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673) |
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04/12/2007 | DE10318188B4 Verwendung einer Schaltungsanordnung Use of a circuit arrangement |
04/11/2007 | CN1310422C Sampling/filter circuit and method for modulating input signal using the same |
04/10/2007 | US7202916 Television tuner and method of processing a received RF signal |
04/10/2007 | CA2120344C Method for digitally demodulating a composite signal |
04/05/2007 | WO2006117599A3 Single - ended to differential transformer circuit |
04/05/2007 | US20070077908 Fully integrated tuner architecture |
04/04/2007 | EP1078467B1 Multiband frequency generation using a single pll-circuit |
04/04/2007 | CN1943125A Method of configuring base station, and base station |
04/04/2007 | CN1309265C Multi-wave band radio-frequency receiving method and equipment in mobile communication system |
04/03/2007 | US7199664 Integrated switchless programmable attenuator and low noise amplifier |
03/29/2007 | US20070072576 Passive mixer |
03/29/2007 | US20070072573 Pulse modulation circuitry |
03/28/2007 | CN1937420A Radio frequency tuner |
03/28/2007 | CN1937418A Frequency change arrangement and radio frequency tuner |
03/28/2007 | CN1937417A Method of reducing imbalance in a quadrature frequency converter, method of measuring imbalance in such a converter, and apparatus for performing such method |
03/28/2007 | CN1936616A Receiver of signals from GPS system and method for processing GPS system signals |
03/27/2007 | US7197524 Direct RF sampling for cable applications and other broadband signals |
03/27/2007 | US7197293 Absorbing sum signal energy in a mixer |
03/22/2007 | WO2007031788A1 Frequency synthesizer with fine resolution |
03/22/2007 | US20070066269 Balanced circuit arrangement and method for linearizing such an arrangement |
03/22/2007 | US20070066267 System and method for frequency translation using an image reject mixer |
03/21/2007 | EP1764913A2 Receiver for attenuating spurious signals |
03/20/2007 | US7194246 Methods and systems for down-converting a signal using a complementary transistor structure |
03/20/2007 | US7194245 High-frequency signal receiving apparatus |
03/20/2007 | US7194044 Up/down conversion circuitry for radio transceiver |
03/15/2007 | US20070060079 Receiver, frequency deviation measuring unit and positioning and ranging system |
03/14/2007 | EP1196999B1 Method and apparatus for processing a digital signal for analog transmission |
03/14/2007 | CN1929294A Logic mixer circuit and method |
03/14/2007 | CN1928584A Combined GPS positioning system and communications system utilizing shared circuitry |
03/13/2007 | US7190943 System and method for frequency translation with harmonic suppression using mixer stages |
03/13/2007 | US7190941 Method and apparatus for reducing DC offsets in communication systems using universal frequency translation technology |
03/08/2007 | WO2007027824A1 Downconversion mixer with im2 cancellation |
03/08/2007 | US20070052469 Mixer-system with gain-blocks and switches |
03/07/2007 | EP1760878A1 Glbert-cell mixer with band selection |
03/07/2007 | EP1759453A1 Method and circuit arrangement for prevention of interference in an intermediate frequency signal and am receiver comprising such a method or circuit arrangement |
03/07/2007 | CN1303764C Low converter possessing high symmetricity and linearity |
03/06/2007 | US7187917 Current interpolation in multi-phase local oscillator for use with harmonic rejection mixer |
03/06/2007 | US7187061 Use of a down-bond as a controlled inductor in integrated circuit applications |
03/01/2007 | US20070045550 Miniature camera module with lens containing image sensor |
02/28/2007 | EP1758241A1 Image removing circuit |
02/28/2007 | CN1921567A Miniature camera module with lens containing image sensor |
02/28/2007 | CN1921294A Active differential double rotary single circuit applied in intermediate frequency analog/frequency mixing signal |
02/28/2007 | CN1302621C Active continuous-time filter with increased dynamic range in the presence of blocker signals |
02/27/2007 | US7184739 Quadrature mixer circuits and mobile terminal using the same |
02/27/2007 | US7184725 Pole switch down converter with symmetric resonator |
02/27/2007 | US7184724 System and method for frequency translation using an image reject mixer |
02/27/2007 | US7183833 Three-phase mixer-systems |
02/22/2007 | WO2007005035A3 Ultra- sensitive microwave and millimeter wave phase discriminator |
02/22/2007 | US20070042743 Frequency changer and tuner |
02/22/2007 | US20070042737 Controllable mixer |
02/22/2007 | DE102006039438A1 Calibration device for superheterodyne-receiver, has compensation circuit analysing samples from detector, which corresponds with candidate values of mixer control signals, and evaluating one value as compensation value |
02/21/2007 | CN1918790A Radio frequency low noise amplifier with automatic gain control |
02/21/2007 | CN1917380A Method for eliminating dc bias for receiver and signal process module |
02/21/2007 | CN1917361A Automatic selection of compensation value to reduce im2 product in mixed signal output |
02/20/2007 | US7181199 Real-time wireless exchange of objects |
02/20/2007 | US7181186 Mixer and frequency conversion apparatus for improving phase-mismatching |
02/20/2007 | US7180553 Dual mode television tuner capable of processing both digital and satellite television signals and method thereof |
02/15/2007 | WO2007018888A2 Television receiver suitable for multi-standard operation and method therefor |
02/15/2007 | US20070037543 Multistage frequency conversion |
02/15/2007 | US20070036240 Quadrature alignment in communications receivers |
02/14/2007 | EP1752782A2 LO correction in GPS receiver |
02/14/2007 | EP1751853A1 A tuneable circuit for canceling third order modulation |
02/14/2007 | EP1751849A1 Balanced mixer with calibration of load impedances |
02/14/2007 | EP1751848A2 Integrated analog video receiver |
02/14/2007 | CN1914790A High dynamic range time-varying integrated receiver for elimination of off-chip filters |
02/13/2007 | US7177591 Frequency converter and radio communications system employing the same |
02/08/2007 | US20070030063 Amplifier circuit |
02/07/2007 | EP1750140A2 Pulse radar system |
02/07/2007 | CN1910826A Frequency dividing circuit and multimode radio device using same |
02/06/2007 | US7173505 Tuning RF circuits using switched inductors provided in a monolithic integrated circuit |
02/01/2007 | WO2005104380A3 Image reject filtering in a direct sampling mixer |
02/01/2007 | DE102005034440A1 Amplifier arrangement for use in polar transmitter, has DC converter releasing supply potential into connector of amplifier stage, and digital-analog converter converting amplitude modulation word into analog signal for controlling stage |
01/30/2007 | US7171184 Method and apparatus for a gain controlled mixer |
01/30/2007 | US7170958 Method and apparatus for adaptive equalization of high speed data communications |
01/25/2007 | US20070021076 Direct-conversion transmitting circuit and integrated transmitting/receiving circuit |
01/25/2007 | US20070019113 Mixer system with amplitude-, common mode- and phase corrections |
01/25/2007 | US20070018747 Apparatus and method for phase lock loop gain control |
01/24/2007 | CN1902829A Outside unit for satellite reception and method of reception with said unit |
01/24/2007 | CN1902815A 低if无线电接收机 Low if a radio receiver |
01/24/2007 | CN1901657A Tuner, broadcast signal processing apparatus comprising the same, and broadcast signal processing method |
01/24/2007 | CN1901402A Method of shift frequency and changing frequency |
01/23/2007 | US7167698 Balanced sub-harmonic mixer |
01/23/2007 | US7167686 Wireless communications transceiver: transmitter using a harmonic rejection mixer and an RF output offset phase-locked loop in a two-step up-conversion architecture and receiver using direct conversion architecture |
01/18/2007 | US20070015482 Simplified high frequency tuner and tuning method |
01/18/2007 | US20070013433 Temperature compensation for internal inductor resistance |
01/18/2007 | DE112004002557T5 Frequenzwandler Frequency converter |
01/17/2007 | CN1897468A Radio-frequency receiver and receiving method |
01/16/2007 | US7164899 System and method for frequency translation with harmonic suppression using mixer stages |
01/16/2007 | US7164897 Method and apparatus for conversion of radio frequency (RF) signals using aperiodic mixing signals |
01/11/2007 | WO2007005035A2 Ultra- sensitive microwave and millimeter wave phase discriminator |
01/11/2007 | WO2007004816A1 Variable gain mixer |
01/11/2007 | US20070010229 Frequency conversion circuit tuner adopting same and set-top box for receiving CATV |
01/11/2007 | US20070007598 System and method for ESD protection |
01/10/2007 | EP1742268A2 Radio architecture |
01/10/2007 | EP1559199B1 RF circuit with frequency agile seqential amplifiers |
01/10/2007 | CN1894848A 混频器电路 A mixer circuit |
01/10/2007 | CN1893599A Projection capable of regulating contrast |
01/10/2007 | CN1893285A Radio-frequency receiver and radio frequency receiving method |
01/04/2007 | WO2007002937A1 Apparatus, system, and method for multi-class wireless receiver |
01/03/2007 | EP1738458A1 Dual conversion receiver with programmable intermediate frequency and channel selection |