Patents
Sitemap › H03 - Basic electronic circuitry › H03D - Demodulation or transference of modulation from one carrier to another › H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing
Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673)
07/2005
07/20/2005CN1643774A Circuit arrangement for frequency conversion and mobile radio device with the circuit arrangement
07/20/2005CN1211934C Radio telecommunication apparatus
07/19/2005CA2344737C Encapsulated mems band-pass filter for integrated circuits and method of fabrication thereof
07/14/2005WO2005064787A1 Frequency converter
07/14/2005WO2005064786A2 Mixer with feedback
07/14/2005WO2005064784A1 Low if radio receiver
07/14/2005US20050153677 System and method for on-chip filter tuning
07/14/2005US20050152083 Circuit arrangement for shifting the phase of an input signal and circuit arrangement for suppressing the mirror frequency
07/13/2005EP1552619A1 Dc trimming circuit for radio frequency (rf) down-conversion
07/13/2005CN1639964A Signal processing method and signal processing apparatus
07/13/2005CN1639963A Mixer circuit
07/13/2005CN1210875C Frequency mixing device
07/12/2005US6917796 Triple balanced mixer
07/12/2005US6917788 Wireless communications system having variable gain mixer
07/07/2005US20050148310 Harmonic image-reject converter
07/07/2005US20050147184 Signal processing method and signal processing apparatus
07/06/2005EP1551099A1 Radioempfänger
07/06/2005CN1635783A Full-system television tuner and method
06/2005
06/30/2005WO2005060089A2 Mixer arrangement
06/30/2005US20050143042 DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
06/30/2005US20050143039 Image rejection quadratic filter
06/30/2005US20050143031 Multi-band receiver
06/30/2005US20050140402 Frequency converter
06/30/2005DE102004057241A1 Doppelwandlungstuner Double conversion tuner
06/29/2005EP1548927A2 Tv tuner and tuning method
06/29/2005EP1547258A2 Subharmonic mixer
06/28/2005US6912248 Equalizer circuit and equalizing
06/23/2005US20050136877 Frequency offset correction in transmitters and receivers having non-ideal synthesizer channel spacing
06/23/2005US20050136861 Method and system for frequency up-conversion with modulation embodiments
06/23/2005US20050134329 Transconductor circuit for compensating the distortion of output current
06/22/2005EP1545007A1 Local oscillator for harmonic image-rejection mixers
06/22/2005EP1545006A1 Local oscillator for harmonic image-rejection mixers
06/22/2005CN1630352A Tuner and method of processing a received RF signal
06/22/2005CN1630279A Frequency offset correction in transmitters and receivers having non-ideal synthesizer channel spacing
06/21/2005US6909882 Signal processing semiconductor integrated circuit device and wireless communication system
06/21/2005US6909754 Method and quadrature device for compensating mismatch in parallel paths by switching signals therein
06/16/2005US20050130619 Radio-frequency mixer arrangement
06/16/2005US20050130618 Sampling mixer with asynchronous clock and signal domains
06/16/2005US20050128363 Television tuner and method of processing a received rf signal
06/15/2005EP1542356A1 Mixer arrangement
06/15/2005EP1540814A1 Vhf adapter for cable network
06/15/2005EP1485992B1 Frequency converting circuit arrangement and mobile radio set comprising said circuit arrangement
06/15/2005CN1628421A A multi-band receiver
06/15/2005CN1206804C Simplified reference frequency distribution in mobile phone
06/15/2005CN1206803C Input circuit for tuner and semiconductor device
06/15/2005CN1206156C Bandpass filter of packaged microelectronic machinery system with integrated circuit and its manufacturing method
06/14/2005US6907236 Mixer for dual conversion receiver
06/14/2005CA2370100C Method for down-converting an electromagnetic signal
06/09/2005WO2005053149A1 Mixer circuit
06/09/2005WO2004095235A3 Multi-mode wireless bridge system and method using a single-radio transceiver
06/09/2005US20050124311 Low-voltage low-power high-linearity active CMOS mixer
06/09/2005US20050123025 Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
06/09/2005US20050122437 TV tuners and methods thereof
06/08/2005EP1537675A1 Method and system for re-modulation using zero if
06/08/2005EP1537659A1 Tuning arrangement
06/08/2005EP1537651A1 System and method for establishing a bias current using a feedback loop
06/08/2005CN1625836A Television tuner and printed circuit board used therein
06/08/2005CN1625221A Image forming device, pattern forming method and its program
06/08/2005CN1205752C Multiband frequency generator and transmitting/receiving unit of mobile radio equipment using it
06/07/2005US6904103 Receiving device and integrated circuit for reception
06/07/2005CA2404721C Integral mixer and oscillator device
06/02/2005US20050118979 Integrated circuit having a mixer circuit
06/02/2005US20050118973 Low leakage local oscillator system
06/02/2005US20050118968 Double conversion tuner
06/02/2005US20050117664 Frequency conversion circuit, radio frequency wave receiver, and radio frequency transceiver
06/02/2005US20050117071 Tuner using a direct digital frequency synthesizer, television receiver using such a tuner, and method therefor
06/01/2005EP1535400A2 Direct downconversion receiver
06/01/2005CN1622607A 双变换调谐器 Double conversion tuner
05/2005
05/31/2005US6901249 Complementary bipolar harmonic mixer
05/31/2005US6901248 Frequency converter and radio frequency tuner
05/26/2005WO2005048447A1 Controllable mixer
05/26/2005WO2003007470A8 Harmonic mixer
05/26/2005US20050110555 Amplifier and frequency converter
05/25/2005DE10351606B3 High frequency mixer arrangement, e.g. for use in vector modulation, has capacitance(s) in feedback path between differential amplifier output, input of operational amplifier, which is configured as anti-aliasing filter
05/25/2005DE10351115A1 Controllable mixer e.g. for suppression of signals in receiver, has transistor, oscillator signal and input signal with input signal covers information signal and further signals where output of mixer is supplied
05/25/2005CN1620763A High-frequency signal receiving apparatus
05/25/2005CN1618724A Encapsulated mems band-pass filter for integrated circuits and method of fabrication thereof
05/25/2005CN1203610C Frequency changing device
05/24/2005US6897734 Integral mixer and oscillator device
05/19/2005US20050107063 Frequency conversion circuit arrangement and mobile radio comprising said circuit arrangement
05/19/2005US20050107055 Integrated switchless programmable attenuator and low noise amplifier
05/19/2005US20050104677 Apparatus and method for phase lock loop gain control using unit current sources
05/19/2005US20050104634 Frequency divider, PLL circuit and semiconductor integrated circuit
05/19/2005DE10344876B3 Signalverarbeitungseinrichtung, insbesondere für den Mobilfunk Signal processing device, in particular for mobile radio
05/18/2005EP1051802B1 If amplifier in a mixer oscillator with symmetrical and asymmetrical output mode
05/18/2005CN2701169Y Single-channel multi-path wireless microphone without crosstalk
05/18/2005CN1618179A Generating local oscillator signals for direct downconversion
05/17/2005US6894557 Method for tuning a corner frequency of a low pass filter
05/17/2005CA2375291C Generation of virtual local oscillator inputs for use in direct conversion radio systems
05/12/2005WO2005043744A1 Pulse modulation circuit
05/12/2005US20050101281 Signal processing device for mobile radio
05/12/2005US20050101280 Low noise and low voltage mixer and intermediate frequency module application thereof
05/12/2005US20050101274 Television tuner and printed circuit board used therein
05/12/2005US20050100115 Method, system, and apparatus for balanced frequency Up-conversion of a baseband signal
05/11/2005EP1529338A2 Improved mixers with a plurality of local oscillators and systems based thereon
05/11/2005CN1614960A Method for improving timing locking test
05/11/2005CN1614877A RF mixing device
05/11/2005CN1201480C Frequency transformer
05/10/2005US6892062 Current-reuse bleeding mixer
05/10/2005US6892061 Mixer circuit configuration
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