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)
08/1998
08/25/1998US5799248 For mixing a radio-frequency signal with a local oscillator signal
08/20/1998WO1998036502A1 Mobile radio transmitter with normal and talk-around frequency bands
08/20/1998WO1998036501A2 Paging transmitter
08/20/1998WO1998035544A2 System and method for harmonic interference avoidance in carrier recovery for digital demodulation
08/20/1998DE19748913A1 Local multipoint distribution service (LMDS) transceiver
08/20/1998CA2279850A1 System and method for harmonic interference avoidance in carrier recovery for digital demodulation
08/19/1998EP0859461A1 Mixer circuit with wide dynamic range
08/19/1998EP0859460A1 Mixer circuit with wide dynamic range
08/18/1998US5796777 Apparatus and method for digitizing and detecting a received radio frequency signal
08/13/1998WO1998035464A1 Digital device and method for filtering, decimation and transposition into distributed baseband, and corresponding digital modulator
08/13/1998WO1998025157A3 An improved gps receiver utilizing a communication link
08/13/1998CA2250820A1 Digital device and method for filtering, decimation and transposition into distributed baseband, and corresponding digital modulator
08/12/1998EP0858179A1 Digital extraction and transposition to baseband of FDM channel
08/11/1998US5794135 Millimeter wave mixer realized by windowing
08/11/1998US5794133 Microwave mixing circuit
08/11/1998US5794131 Reducing or eliminating radio transmitter mixer spurious outputs
08/11/1998CA2101527C Frequency translation apparatus and method
08/06/1998WO1998034341A1 Transmit signal generation with the aid of a receiver
08/06/1998WO1998034340A1 Signal analog processing circuit for satellite positioning receiver
08/06/1998CA2278667A1 Signal analog processing circuit for satellite positioning receiver
08/05/1998EP0856952A2 A method and a circuit arrangement for the processing of received signals in a telecommunication system
08/04/1998US5790959 Programmable band select and transfer module for local multipoint distribution service basestation
08/04/1998US5790945 Resonator for coupling intermediate frequency signals from a radio frequency mixer
08/04/1998US5789963 Low power consumption mixer and frequency conversion with inter-terminal isolation for stable mixing
08/04/1998US5789799 High frequency noise and impedance matched integrated circuits
07/1998
07/29/1998EP0855041A1 A gps receiver and method for processing gps signals
07/29/1998EP0855039A2 Gps receiver and method for processing gps signals
07/29/1998EP0728391B1 Clock-recovery circuit
07/28/1998US5787362 AM removal from FM signal generated by IQ modulator
07/28/1998US5787339 Radiocommunication system operating in a time shared control
07/28/1998US5787126 Detector and receiving and transmitting apparatus
07/28/1998US5786728 Cuber based predistortion circuit and mobile station using the same
07/23/1998WO1998032221A1 Method and apparatus for compensating for imbalances between quadrature signals
07/23/1998DE19739478A1 Automatic balancer for high frequency mixer in spectrum analyser
07/22/1998EP0854570A2 Bias stabilizing circuit
07/22/1998EP0854568A2 Monolithic microwave integrated circuit
07/21/1998US5784692 Method and apparatus for generating non-linear variable impedance
07/16/1998WO1998031094A1 Frequency synthesizer circuit for mobile stations
07/16/1998DE19735798C1 Transceiver device for mobile radio telephone
07/15/1998EP0853387A2 Method and apparatus for transmitting and receiving multichannel signals
07/15/1998EP0853376A1 Low voltage double balanced mixer
07/15/1998EP0853375A1 Double balanced mixer circuit
07/15/1998EP0853374A1 Image reject mixer
07/15/1998EP0853373A1 Double balanced mixer
07/14/1998US5781156 GPS receiver and method for processing GPS signals
07/14/1998CA2127271C Circuit for generating signals in phase quadrature and associated methodtherefor
07/08/1998EP0815653A4 Compensated ring mixers
07/01/1998EP0851598A2 Dual mode receiver and radio transmitter
07/01/1998EP0851574A1 Two-output low-noise down converter circuit
07/01/1998EP0850511A1 Transmission process in which a conversion oscillator signal is synthesised by means of a fractional n-phase-shift control loop
06/1998
06/30/1998US5774801 High dynamic range mixer having low conversion loss, low local oscillator input power, and high dynamic range and a method for designing the same
06/30/1998US5774375 Method and apparatus for the correction of signal-pairs
06/30/1998US5774194 Terrestrial and satellite television reception tuner
06/24/1998EP0849873A1 Image-reject mixer arrangements
06/23/1998US5771442 Dual mode transmitter
06/23/1998CA2104215C Radio receiver for forming a baseband signal of time-varying frequencies
06/18/1998WO1998026576A2 Catv apparatus for tuning channels
06/17/1998EP0848493A1 Electronic device for processing wide band signals with frequency transposition
06/17/1998EP0847628A2 Common transmit module for a programmable digital radio
06/17/1998EP0847619A1 Circuit arrangement comprising a cartesian amplifier
06/16/1998US5768700 High conversion gain CMOS mixer
06/16/1998US5767726 Four terminal RF mixer device
06/16/1998CA2083372C Digital frequency synthesizer having afc and modulation applied to frequency divider
06/11/1998WO1998025157A2 An improved gps receiver utilizing a communication link
06/10/1998EP0846380A1 Burst mode optical digital receiver and repeater
06/10/1998EP0846366A1 High performance mixer and method of designing same
06/09/1998US5765099 Distribution of radio-frequency signals through low bandwidth infrastructures
06/04/1998WO1998024175A1 Method and arrangement for frequency conversion
06/04/1998DE19648178A1 Radio telephone system using preset frequencies
06/04/1998CA2273096A1 Method and arrangement for frequency conversion
06/02/1998US5760632 Double-balanced mixer circuit
06/02/1998US5760622 Frequency converting circuit
05/1998
05/27/1998EP0844731A1 Transceivers
05/27/1998CN1183179A Slope, drift and offset compensation in zero-if receivers
05/26/1998US5757921 Radio communication apparatus having common oscillator applied for PLL, conversion and scramble/descramble circuits
05/26/1998US5757794 Digital down converter and method
05/26/1998US5757244 Digital control type oscillation circuit of portable telephone, crystal resonator oscillation frequency calculating method, and outputfrequency correcting method
05/19/1998US5754601 Jitter circuit for reduced switching noise
05/19/1998US5754597 Method and apparatus for routing a digitized RF signal to a plurality of paths
05/12/1998US5752181 Method and apparatus for reducing inermodulation distortion in a mixer
05/12/1998US5752180 Converter for processing RF signals having different polarizations
05/12/1998US5752179 Selective RF circuit with varactor tuned and switched bandpass filters
05/12/1998US5752175 Frequency synthesizer for V/UHF wideband receiver
05/12/1998US5752174 Radio receiver with automatic adjustment of oscillation frequencies
05/12/1998US5752169 Integrated circuit and transmitter/receiver
05/12/1998US5751188 FM demodulator using a switched capacitor phase shifter
05/12/1998US5751033 Frequency converter circuit structure having two sources
05/05/1998US5749051 Compensation for second order intermodulation in a homodyne receiver
05/05/1998US5748683 Multi-channel transceiver having an adaptive antenna array and method
04/1998
04/28/1998US5745017 Thick film construct for quadrature translation of RF signals
04/22/1998EP0837556A1 Four terminal RF mixer device
04/21/1998US5742901 Balanced modulator
04/21/1998US5742645 Method of digital demodulation of a composite signal
04/21/1998US5742189 Frequency conversion circuit and radio communication apparatus with the same
04/21/1998CA2213318A1 Four terminal rf mixer device
04/15/1998CN1179020A Microwave mixer circuit and down converter using said circuit
04/14/1998US5740528 Planar triply-balanced microstrip mixer
04/09/1998DE19742424A1 Double superheterodyne receiver circuit for HF signals
04/08/1998EP0834147A1 Bipolar analog multipliers for low voltage applications
04/08/1998EP0806088A4 Rf mixer with extended dynamic range
1 ... 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 ... 77