| Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673) |
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| 09/22/2004 | EP1111773B1 Semiconductor circuit |
| 09/22/2004 | CN1531215A Analog demodulator for low and medium frequency receiver |
| 09/22/2004 | CN1168315C Cable modem tuner |
| 09/22/2004 | CN1168201C Method and device in telecommunication system |
| 09/16/2004 | WO2004079924A2 Tuner for radio frequency receivers and associated method |
| 09/16/2004 | US20040180643 Semiconductor integrated circuit device |
| 09/16/2004 | US20040179636 Method and apparatus for adaptive equalization of high speed data communications |
| 09/16/2004 | DE10015177B4 Mischschaltung Mixing circuit |
| 09/15/2004 | EP1458087A1 Electrical circuit, apparatus and method for the demodulation of an intensity-modulated signal |
| 09/15/2004 | EP1145430B1 Integrated tuner architecture |
| 09/15/2004 | CN1167236C High-frequency receiver |
| 09/09/2004 | US20040176064 Mixer with feedback |
| 09/09/2004 | US20040176058 Tuner for radio frequency receivers and associated method |
| 09/09/2004 | US20040174229 Signal combiner |
| 09/09/2004 | US20040174202 High linearity passive mixer and associated LO buffer |
| 09/09/2004 | DE10307429A1 Method for selection of mixed frequency for transceivers of cordless digital communication apparatus, with intermediate frequency (IF) set both considering appearing harmonics |
| 09/08/2004 | EP1455442A2 High linearity passive mixer and associated LO buffer |
| 09/08/2004 | EP1455441A2 Television tuner |
| 09/08/2004 | EP1135853B1 Integrated frequency translation and selectivity with a variety of filter embodiments |
| 09/08/2004 | CN1528086A Combination tuner for earth and satellite broadcasting |
| 09/07/2004 | US6788922 Radio FM receiver having a frequency 2-divider and a frequency 3-divider for alternatively dividing a VCO signal for down-converting a received radio signal |
| 09/02/2004 | US20040170376 Receiver |
| 09/02/2004 | US20040170032 Frequency converter |
| 09/02/2004 | US20040169773 Tuner suitable for integration and method for tuning a radio frequency signal |
| 09/01/2004 | CN1526203A Interference reduction for direct conversion receivers |
| 08/31/2004 | US6785530 Even-order non-linearity correction feedback for Gilbert style mixers |
| 08/31/2004 | US6785528 Quadrature divider |
| 08/31/2004 | US6785527 Conversion spur avoidance in a multi-conversion radio frequency receiver |
| 08/31/2004 | US6785525 Multiband frequency generation using a single PLL-circuit |
| 08/31/2004 | US6785518 Transmitter and receiver circuit for radio frequency signals |
| 08/31/2004 | US6784743 High frequency amplifier and frequency mixer |
| 08/26/2004 | WO2004055995A3 System and method for discovering frequency related spurs in a multi-conversion tuner |
| 08/26/2004 | US20040166799 Local oscillator apparatus and method |
| 08/26/2004 | US20040164784 Amplifier circuit |
| 08/26/2004 | DE10255351B3 Verfahren zum Generieren von Multiplikatorkoeffizienten für einen Mischer und zugehörigen Mischer Method for generating multiplier coefficients for a mixer and associated mixers |
| 08/25/2004 | EP1450480A1 Low-noise, high-linearity analog multiplier |
| 08/25/2004 | CN1523772A Apparatus and method for radio signal parallel processing |
| 08/25/2004 | CN1164091C TV signal receiving tuning device |
| 08/24/2004 | US6782247 CMOS frequency conversion using dual mixers for sideband suppression |
| 08/24/2004 | US6782038 Method and apparatus for radio communications |
| 08/19/2004 | WO2004070940A1 Tuner for reception of digital and analog television signals |
| 08/19/2004 | WO2004070939A1 Frequency converter using optical excitation surface plasma and its method |
| 08/19/2004 | WO2004032339B1 Subharmonic mixer |
| 08/19/2004 | US20040162050 Method for generating multiplier coefficients for a mixer |
| 08/19/2004 | US20040160344 Robust system for transmitting and receiving map data |
| 08/19/2004 | US20040160246 Frequency converter having low supply voltage |
| 08/19/2004 | DE10302647A1 Vorrichtung und Verfahren zum Abwärtsmischen eines Eingangssignals in ein Ausgangssignal Apparatus and method for downward mixing an input signal into an output signal |
| 08/18/2004 | EP1040571B1 Method and arrangement for correcting phase error in linearization loop of power amplifier |
| 08/18/2004 | CN1522489A 频率混合电路 Frequency mixing circuit |
| 08/17/2004 | US6778590 Carrier changer and changing method |
| 08/17/2004 | US6778117 Local oscillator and mixer for a radio frequency receiver and related method |
| 08/17/2004 | CA1341457C Mixer circuit |
| 08/12/2004 | WO2004068778A2 A tunable upconverter mixer with image rejection |
| 08/12/2004 | WO2004068699A1 Three-phase mixer-system |
| 08/12/2004 | WO2003103131A3 Image rejection quadratic filter |
| 08/11/2004 | CN1520642A Low leakage local oscillator system |
| 08/11/2004 | CN1520029A Digital controlled oscillator, digital cnverter and RF unit |
| 08/11/2004 | CN1161888C Synthesizer type receiver |
| 08/10/2004 | US6774739 Frequency converter, orthogonal demodulator and orthogonal modulator |
| 08/10/2004 | US6774699 BJT mixer for low supply voltage |
| 08/05/2004 | WO2004066512A1 System and method for downward mixing an input signal into an output signal |
| 08/05/2004 | WO2004054312A3 Nxm crosspoint switch with band translation |
| 08/05/2004 | WO2004054128A3 Integrated crosspoint switch with band translation |
| 08/05/2004 | WO2004015439A3 Improved mixers with a plurality of local oscillators and systems based thereon |
| 08/05/2004 | US20040152437 RF transceiver with compact stacked mixer design for multiple frequency conversion |
| 08/05/2004 | US20040152435 Process for reducing the second-order nonlinearity of a frequency transposition device and corresponding device |
| 08/05/2004 | US20040150457 Frequency mixing circuit |
| 08/05/2004 | US20040150398 Lorentz force driven mechanical filter/mixer designs for rf applications |
| 08/04/2004 | EP1032981B1 Tuning bandwidth minimization for low voltage dual band receiver |
| 08/04/2004 | CN1160869C Improvement of phase receivers |
| 08/03/2004 | US6771943 Image rejection |
| 07/29/2004 | US20040147240 Quadrature mixer circuits and mobile terminal using the same |
| 07/29/2004 | CA2511819A1 Regenerative divider for up and down conversion of radio frequency (rf) signals |
| 07/28/2004 | CN1516335A Mixer for improving phase mismatch and frequency conversion device |
| 07/27/2004 | US6768902 Double frequency converter making possible shifting of the frequencies of first and second local oscillation signals by the same frequency |
| 07/27/2004 | US6768391 Class-B biased gilbert cells and quadrature modulators |
| 07/27/2004 | US6768379 Amplifier circuit |
| 07/22/2004 | WO2004062087A1 Multi-mode modulator and transmitter |
| 07/22/2004 | US20040143409 Method and device of carrier wave frequency calibration for remote controller |
| 07/22/2004 | US20040142673 Mixer circuit and high frequency signal receiver using the same |
| 07/22/2004 | DE10107441B4 Verfahren zum Charakterisieren von Frequenzumsetzungsvorrichtungen Method for characterizing frequency conversion devices |
| 07/22/2004 | CA2512107A1 Multi-mode modulator and transmitter |
| 07/21/2004 | EP1438841A2 Monolithic integrated circuit for a television receiver |
| 07/21/2004 | EP1438602A2 Method for open loop tracking gps signals |
| 07/21/2004 | EP1196999A4 Method and apparatus for processing a digital signal for analog transmission |
| 07/20/2004 | US6766158 Harmonic cancellation mixer |
| 07/15/2004 | US20040137871 Dual band fet mixer |
| 07/15/2004 | US20040137870 Balanced circuit arrangement and method for linearizing such as arrangement |
| 07/15/2004 | US20040135714 Method and circuit configuration for mixing a digital signal with an analogue signal |
| 07/14/2004 | EP1436958A1 A digital implementation of multi-channel demodulators |
| 07/14/2004 | EP1012967B1 A linear rf power amplifier with optically activated switches |
| 07/14/2004 | CN1513226A Frequency switching under sampling |
| 07/08/2004 | WO2004057770A1 An rf front-end receiver |
| 07/08/2004 | WO2004057753A1 Minimizing 1/f noise configuration for zif mixer |
| 07/08/2004 | WO2004057752A1 Mixer system with amplitude-, common mode- and phase corrections |
| 07/08/2004 | US20040132423 Mixer and frequency conversion apparatus for improving phase-mismatching |
| 07/08/2004 | US20040131131 Double-sampled, sample-and-hold circuit with downconversion |
| 07/08/2004 | US20040131105 Frequency converter and radio communications system employing the same |
| 07/08/2004 | US20040130666 High frequency receiver |
| 07/08/2004 | US20040130483 Down-converter |