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)
09/2000
09/06/2000EP1032981A1 Tuning bandwidth minimization for low voltage dual band receiver
09/06/2000EP1032972A1 Simplified reference frequency distribution in a mobile phone
09/06/2000CN1056255C Converter
09/05/2000US6115584 Transmitter-receiver for use in broadband wireless access communications systems
09/05/2000US6115473 Receiving apparatus for digital broadcasting
09/05/2000US6115363 Transceiver bandwidth extension using double mixing
09/05/2000US6114902 Frequency tracking arrangements
09/05/2000CA2194898C Two band receiver
08/2000
08/31/2000WO2000051251A1 Radio terminal
08/31/2000DE19960808A1 Input signal switching apparatus for satellite broadcast reception converter, has inductors at interconnection stage, with different patterns to suppress resonance phenomenon of EM wave leaked during signal output
08/30/2000EP1032136A1 Nyquist band frequency translation
08/30/2000EP1031219A1 Qam modulation using direct digital synthesis and upconversion
08/30/2000CN1264963A Multi-frequency band receiver
08/30/2000CN1056027C Terrestrial and satellite television reception tuner
08/29/2000US6112069 Radio receiver and method for suppressing attenuation properties of a low frequency signal
08/29/2000US6111540 Combined GPS positioning system and communications system utilizing shared circuitry
08/29/2000US6111452 Wide dynamic range RF mixers using wide bandgap semiconductors
08/24/2000WO2000024119A9 Applications of universal frequency translation
08/23/2000EP1030440A1 Circuit for reversing a sideband of a carrier
08/23/2000EP0984721A4 Ecg noise detection system
08/23/2000EP0897600A4 High performance mixer structures for monolithic microwave integrated circuits
08/23/2000CN1264517A Direct-conversion tuner integrated circuit for direct broadcast sat ellite television
08/22/2000US6108529 Radio system including FET mixer device and square-wave drive switching circuit and method therefor
08/17/2000WO2000048318A1 Circuit for the frequency multiplication of an angle modulated signal using a pll and method
08/16/2000EP1027769A1 Method and device in a telecommunication system
08/15/2000US6104763 Synchrodyning of VSB and QAM final I-F signals supplied by separate converters in a QAM/VSB digital TV receiver
08/15/2000US6104340 GPS receiver and method for processing GPS signals
08/15/2000US6104227 RF mixer circuit and method of operation
08/15/2000US6104068 Structure and method for improved signal processing
08/08/2000US6100731 Frequency multiplier
08/03/2000WO2000045399A1 Multi-track integrated spiral inductor
08/02/2000EP1024590A1 Frequency translation circuitry
08/01/2000US6097247 Low threshold voltage diode-connected FET
07/2000
07/27/2000WO2000044087A2 Down-converter using sine to square wave converter
07/26/2000CN1054949C Feedback loop closure in a linear transmitter
07/25/2000US6094571 Differential class AB mixer circuit
07/25/2000US6094235 Digital television broadcast receiver that demodulates an intermediate frequency signal having a frequency higher than a frequency of a received signal
07/25/2000US6094158 FMCW radar system
07/25/2000US6094108 Unbalance-to-balance converter utilizing a transistor
07/25/2000US6094084 Narrowband LC folded cascode structure
07/20/2000WO2000042659A2 System and method for esd protection
07/20/2000DE19901751A1 Multiple combiner stage for receiver uses double balanced mixer to reduce local oscillator breakthrough
07/19/2000EP1020037A1 Totem pole mixer having grounded serially connected stacked fet pair
07/19/2000EP1019968A2 Diode device having a low threshold voltage
07/19/2000CN1260635A Method for eliminating dc. component and filtering device obtained by using said method
07/18/2000US6091940 Method and system for frequency up-conversion
07/18/2000US6091939 Mobile radio transmitter with normal and talk-around frequency bands
07/18/2000US6091931 Frequency synthesis architecture in a satellite receiver
07/18/2000US6091306 Circuit configuration with main and subordinate oscillators
07/12/2000EP1018223A1 Broad band digital radio receiver for multicarrier signal
07/06/2000WO2000040039A2 Active radio frequency mixer circuit with feedback
07/06/2000WO2000039919A1 Wideband if image rejecting receiver
07/05/2000EP0721702A4 Line interface apparatus and method for isolating data terminal equipment from the line
07/04/2000US6085075 Communication system, a communication device and a frequency synthesizer
07/04/2000US6084486 Controllable filter and high frequency apparatus using the same
06/2000
06/28/2000EP1013092A1 Direct-conversion tuner integrated circuit for direct broadcast satellite television
06/28/2000EP1012967A1 A linear rf power amplifier with optically activated switches
06/28/2000EP1012620A1 Fmcw sensor
06/28/2000CN1258396A Integrable radio receiver circuit for frequency-modulated digital signals
06/27/2000US6081697 Multi-carrier radio system and radio transceiver implementation
06/22/2000WO2000036799A2 Transmitter linearization
06/21/2000EP1011191A1 Process for eliminating a DC component and filter device obtained by this process
06/21/2000CN1257623A Multi-carrier radio system and radio transceiver implementation
06/20/2000US6078802 High linearity active balance mixer
06/20/2000US6078799 System and method for calibrating single sideband receiver reject image product
06/20/2000US6078790 Radio frequency generator for a radio communication system
06/20/2000US6078784 Multi-tap radio frequency modulator
06/14/2000EP1009101A2 Direct conversion receiver
06/14/2000EP0813768B1 Slope, drift and offset compensation in zero-if receivers
06/13/2000US6075980 Interference suppression in RF signals
06/13/2000US6075979 Radio receivers
06/08/2000WO2000033470A1 System and process for shared frequency source multi-band transmitters and receivers
06/08/2000WO2000033457A1 Universal modulator
06/08/2000DE19954257A1 Mischer für mehrere Bänder für lokalen Oszillator For several bands for local oscillator mixer
06/07/2000CN1255804A TV signal receiving tuning device
06/07/2000CN1255783A Multifrequency mixer with general native oscillator
06/06/2000US6073002 Mixer circuit and communication device using the same
06/06/2000US6073001 Down conversion mixer
06/06/2000US6073000 Direct conversion receiving circuit and direct conversion receiver
06/06/2000US6072352 Heterojunction biopolar mixer circuitry
06/02/2000WO2000031941A1 Method and apparatus for the determinaton of the predistortion parameters in a quadrature modulator, by measuring the output power
05/2000
05/31/2000EP1005228A2 Circuit for the transmission of signals received analog and/or digital
05/31/2000EP1005155A1 Television signal receiving tuner
05/31/2000CN1254983A Transistor circuit with direct couple stage
05/30/2000US6070061 Adjacent channel rejection in double conversion tuner
05/30/2000US6069923 Method and a circuit arrangement for the processing of received signals in a telecommunication system
05/30/2000US6069580 Multi-conversion radar detector having increased tuning range and self-calibrating function
05/25/2000DE19852676A1 Vorrichtung zur Frequenzsynchronisation in einem Nachrichtenübertragungssystem A device for frequency synchronization in a communication system
05/18/2000WO2000028664A2 Fully integrated tuner architecture
05/18/2000WO2000028657A1 Adjustable balanced modulator
05/18/2000WO2000008870A3 Apparatus and method of linearizing a power amplifier in a mobile radio communication system
05/17/2000EP1001523A1 Apparatus for frequency synchronisation in a communication system
05/17/2000EP1000491A1 Biphase modulator with balun design
05/17/2000EP1000463A1 Front end filter circuitry for a dual band gsm/dcs cellular phone
05/16/2000US6064872 Totem pole mixer having grounded serially connected stacked FET pair
05/16/2000US6064336 GPS receiver utilizing a communication link
05/11/2000WO2000027026A2 Combined cmos mixer and circuit
05/10/2000EP0999645A1 Data converter
05/10/2000EP0686324B1 Receiver having an adjustable bandwidth filter
05/09/2000US6061575 Frequency synthesizer circuit for mobile stations
1 ... 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 ... 77