| Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673) |
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| 12/22/2009 | US7636562 Radio frequency mixer and method of operation |
| 12/22/2009 | US7636558 Direct conversion tuner |
| 12/22/2009 | US7636554 Multiple-input multiple-output radio transceiver |
| 12/22/2009 | CA2338564C Single chip cmos transmitter/receiver and vco-mixer structure |
| 12/16/2009 | EP2133992A1 Semiconductor chip and high frequency circuit |
| 12/16/2009 | CN101604957A PGC complex demodulation method for large-scale optical fiber hydrophone array |
| 12/15/2009 | CA2313139C Receiver with sigma-delta analog-to-digital converter |
| 12/10/2009 | US20090302899 Differential inverse aliasing digital to analog converter |
| 12/09/2009 | EP2025055B1 Calibration strategy for reduced intermodulation distortion |
| 12/09/2009 | CN201360239Y Frequency mixing device |
| 12/09/2009 | CN100568708C Self-calibrating apparatus and method in a mobile transceiver |
| 12/03/2009 | WO2009145505A2 The demodulator for simultaneous multi-node receiving and the method thereof |
| 12/03/2009 | WO2009144642A2 Low-1/f-noise local oscillator for non-overlapping differential i/q signals |
| 12/02/2009 | EP2127099A2 Suppression of lo-related interference from tuners |
| 12/02/2009 | EP2127068A1 Method and arrangement for a linear mixer |
| 12/02/2009 | CN100566135C Active differential double rotary single circuit applied in intermediate frequency analog/frequency mixing signal |
| 12/02/2009 | CN100566134C 混频器电路 Mixer circuit |
| 12/01/2009 | US7627057 Quadrature alignment in communications receivers |
| 11/26/2009 | US20090291662 Balanced mixer with calibration of load impedances |
| 11/26/2009 | US20090291655 Outside unit for satellite reception and method of reception with said unit |
| 11/26/2009 | DE19619304B4 Rundfunkempfänger Broadcast radio receiver |
| 11/26/2009 | DE102006059502B4 Rauscharmer Mischer A low noise mixer |
| 11/26/2009 | DE102005004084B4 Mischstufe und Verfahren zur Mischung von zwei Signalen, die verschiedene Frequenzen besitzen Mixer and method of mixing of two signals having different frequencies |
| 11/26/2009 | DE102004005503B4 Verfahren zur Frequenzumsetzung und Empfänger Method for frequency conversion and receiver |
| 11/25/2009 | EP2122824A2 Mixer with shorting switch |
| 11/25/2009 | CN101588161A Filter circuit, wireless transmitter, and wireless receiver |
| 11/25/2009 | CN101588155A 混频器 Mixer |
| 11/24/2009 | US7623838 Sampling mixer with asynchronous clock and signal domains |
| 11/24/2009 | CA2381999C Improved method and apparatus for up- and down- conversion of radio frequency (rf) signals |
| 11/19/2009 | WO2009140075A1 Radio frequency photonic transceiver |
| 11/18/2009 | EP2119005A1 Apparatus comprising frequency selective circuit and method |
| 11/17/2009 | US7620378 Method and system for frequency up-conversion with modulation embodiments |
| 11/17/2009 | US7620060 Method for automatically configuring terminal equipment |
| 11/11/2009 | CN100559725C Improvements relating to polyphase receivers |
| 11/10/2009 | US7616935 Method and apparatus for matching receiver carrier frequency |
| 11/04/2009 | EP2114045A1 Cancelling out of the imperfections of a modulator |
| 11/04/2009 | EP2113782A2 GPSs mobile unit having a reduced power state |
| 11/03/2009 | US7613440 Mixer circuit |
| 10/29/2009 | WO2009130209A2 Passive mixer and four-phase clocking method and apparatus |
| 10/28/2009 | EP2112525A1 Method for determining a position of a mobile sps receiver using epoch |
| 10/28/2009 | EP2111690A1 Automatic iip2 calibration architecture |
| 10/28/2009 | CN101569089A Method and arrangement for a linear mixer |
| 10/28/2009 | CN101567663A Multi-input mixer, mixer device, and mixing method |
| 10/28/2009 | CN100555841C Controllable gain general frequency converter for multiplication digital/analog converter |
| 10/27/2009 | US7610033 Radio frequency tuner |
| 10/27/2009 | US7610032 System and method for frequency translation with harmonic suppression using mixer stages |
| 10/27/2009 | CA2381997C Frequency translator using a non-periodic local oscillator signal |
| 10/21/2009 | EP2110683A1 Method for determining the position of a remote unit |
| 10/21/2009 | CN101562424A Variable-frequency mixer in the mode of high linear multiband double gain |
| 10/21/2009 | CN100553116C Frequency down converter and isolative cover thereof |
| 10/21/2009 | CN100553115C Active mixer with self-adjustable bias feedback and linear bia circuit |
| 10/20/2009 | US7606549 Selective channel tuner and tuning method |
| 10/20/2009 | US7606542 Simplified high frequency tuner and tuning method |
| 10/20/2009 | US7606332 Variable signal delaying circuit, quadrature frequency converter and radio frequency tuner |
| 10/15/2009 | WO2009126661A1 A highly linear embedded filtering passive mixer |
| 10/15/2009 | WO2009124377A1 A system and method for utilizing spectral resources in wireless communications |
| 10/15/2009 | DE102009014611A1 Selbstregelnde Ladungspumpe mit Schleifenfilter Self-charge pump loop filter |
| 10/14/2009 | CN100550605C Quadrature switching mixer with reduced leakage |
| 10/14/2009 | CN100550603C Linearity improvement of gilbert mixers, mixer circuit and radio communication system |
| 10/13/2009 | US7603099 Direct-conversion receiver system and method with quadrature balancing and DC offset removal |
| 10/08/2009 | WO2009122365A2 Ultra wide band demodulator |
| 10/08/2009 | WO2009121861A2 Radio frequency modulator |
| 10/08/2009 | US20090253394 Simplified high frequency tuner and tuning method |
| 10/08/2009 | US20090251196 MOSFET Parametric Amplifier |
| 10/07/2009 | EP1719243B1 Radio frequency low noise amplifier with automatic gain control |
| 10/07/2009 | CN101552891A An analog TV broadcast signal receiving device and an analog TV broadcast signal demodulation device |
| 10/07/2009 | CN101552753A DC offset correction circuit of wireless communication device and correction method thereof |
| 10/07/2009 | CN100547906C Method and device for down conversion receipt signal |
| 10/01/2009 | WO2009120117A1 A combined mixer and balun design |
| 09/30/2009 | EP1590886B1 Downconversion of radio frequency (RF) signals |
| 09/29/2009 | US7596362 DC offset calibration for a radio transceiver mixer |
| 09/29/2009 | US7595476 Electrical circuit, apparatus and method for the demodulation of an intensity-modulated signal |
| 09/24/2009 | WO2009117708A1 Stepped gain mixer |
| 09/24/2009 | WO2009117707A1 Reduced power-consumption receivers |
| 09/24/2009 | WO2009019633A3 Harmonic rejection mixer unit and method for performing a harmonic rejection mixing |
| 09/24/2009 | US20090239493 Filter Switching System and Method |
| 09/24/2009 | US20090239491 Signal distribution system cascadable agc device and method |
| 09/23/2009 | CN101542896A Frequency mixer |
| 09/23/2009 | CN101540855A Video apparatus and operation method of video display apparatus |
| 09/17/2009 | WO2009113015A2 Data processing system |
| 09/17/2009 | US20090233570 Receiver front-end with low power consumption |
| 09/16/2009 | EP2101407A2 IQ transmitter |
| 09/16/2009 | CN101534092A Signals mixing circuit and communication device containing the same |
| 09/16/2009 | CN100542010C Single conversion tuner |
| 09/09/2009 | CN100539398C Mixer |
| 09/08/2009 | US7587192 Balanced mixer with calibration of load impedances |
| 09/08/2009 | US7587175 Radio frequency unit analog level detector and feedback control system |
| 09/08/2009 | CA2230841C Gps receiver and method for processing gps signals |
| 09/03/2009 | US20090221257 Method and System For Down-Converting An Electromagnetic Signal, And Transforms For Same, And Aperture Relationships |
| 09/03/2009 | US20090219451 Broadband Integrated Television Tuner |
| 09/02/2009 | EP2095518A1 Method and apparatus for receiving radio frequency signals |
| 09/02/2009 | EP1751848B1 Integrated analog video receiver |
| 09/02/2009 | EP1738458B1 Dual conversion receiver with programmable intermediate frequency and channel selection |
| 08/27/2009 | WO2009104055A1 Mixer circuit |
| 08/26/2009 | CN101517889A Radio receiver |
| 08/26/2009 | CN101515807A Digital intermediate-frequency receiver |
| 08/26/2009 | CN100533951C 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 |
| 08/26/2009 | CN100533949C Low if radio receiver |
| 08/25/2009 | US7580680 Method of reducing imbalance in a quadrature frequency converter, method of measuring imbalance in such a converter, and apparatus for performing such method |
| 08/19/2009 | EP2091143A2 Conversion architecture for residual spur avoidance |