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)
12/2000
12/06/2000EP1058388A2 Direct digital downconverter and method for converting an analog signal to a digital signal
12/06/2000EP1058379A2 Balanced mixer
12/06/2000EP1057254A1 Wideband if image rejecting receiver
12/06/2000EP1057253A2 Down/up-conversion apparatus and method
12/05/2000US6157822 Tuned low power/low noise mixer
12/05/2000US6157810 Distribution of radio-frequency signals through low bandwidth infrastructures
12/05/2000US6157682 Wideband receiver with bandwidth extension
11/2000
11/30/2000WO2000072446A1 Integrated vco
11/28/2000US6154641 Wideband multiple channel frequency converter
11/28/2000US6154640 Method and apparatus for communication and signal synthesis
11/28/2000CA2179469C Linear low-noise mixer
11/28/2000CA2050666C D.c. offset compensation in a radio receiver
11/23/2000WO2000070574A1 Receiver capable of parallel demodulation of messages
11/23/2000WO2000042659A3 System and method for esd protection
11/23/2000CA2373269A1 Receiver capable of parallel demodulation of messages
11/21/2000US6151367 Digital demodulator
11/21/2000US6150891 PLL synthesizer having phase shifted control signals
11/16/2000WO2000069085A1 Programmable digital intermediate frequency transceiver
11/16/2000WO2000069064A1 Circuit arrangement providing impedance translation filtering
11/16/2000DE19921438A1 Superimposition stage for HF receiver has resistance with value of system impedance between band separator, IF filter, connected to resonant element tuned to intermediate frequency
11/16/2000CA2371090A1 Programmable digital intermediate frequency transceiver
11/15/2000EP1052781A1 Receiving apparatus and method
11/15/2000EP1051802A1 If amplifier
11/15/2000CN1273708A Frequency offset image rejection
11/15/2000CN1273707A Down/up-conversion apparatus and method
11/15/2000CN1058589C Double-superheterodyne recepter and detection circuit thereof
11/14/2000US6148184 Radio frequency zero if direct down converter
11/14/2000US6148181 Radio apparatus adapted to remove image components from local oscillating signals
11/14/2000US6148039 System and method for harmonic interference avoidance in carrier recovery for digital demodulation
11/14/2000US6147559 Noise figure and linearity improvement technique using shunt feedback
11/14/2000US6147543 Method and apparatus for selecting from multiple mixers
11/07/2000US6144846 Frequency translation circuit and method of translating
11/07/2000US6144845 Method and circuit for image rejection
11/07/2000US6144236 Structure and method for super FET mixer having logic-gate generated FET square-wave switching signal
11/02/2000WO2000065722A1 Method and apparatus for processing a digital signal for analog transmission
11/02/2000EP1049261A2 Direct conversion radio receiver
11/02/2000EP1049246A1 Transceiver with a mixer having selectable image frequency
11/02/2000EP1048176A2 Apparatus and method of linearizing a power amplifier in a mobile radio communication system
11/01/2000CN1058115C Method and apparatus for recovering frequency modulated signal
10/2000
10/31/2000US6140849 Active double-balanced mixer with embedded linearization amplifiers
10/30/2000CA2303454A1 Frequency selectable transmitter-receiver for use in broadband wireless access communications systems
10/26/2000WO2000064042A2 Device for frequency down-converting using undersamling, and method
10/25/2000EP1046233A1 Radio receiver
10/25/2000EP1046224A1 Radio transmitter
10/25/2000EP1046223A1 Quadrature modulator and demodulator
10/24/2000US6138000 Low voltage temperature and Vcc compensated RF mixer
10/24/2000US6137999 Image reject transceiver and method of rejecting an image
10/24/2000US6137852 Phase detector circuit and method of phase detecting
10/24/2000US6137372 Method and apparatus for providing coarse and fine tuning control for synthesizing high-frequency signals for wireless communications
10/24/2000US6137323 Low-consumption frequency translator
10/19/2000WO2000062532A1 Single-chip digital cable tv/cable modem tuner ic
10/19/2000WO2000062419A2 Mos variable gain amplifier
10/18/2000EP1044498A1 A mixer for a receiver
10/17/2000US6134452 Multiple band mixer with common local oscillator
10/17/2000US6134281 Method and apparatus for calibration of a signal processing system utilizing digital down converters
10/17/2000US6133871 GPS receiver having power management
10/17/2000US6133804 Transmitter with complex phase comparator
10/17/2000US6133795 Oscillator circuit
10/12/2000DE19906314C1 Einrichtung zur Umkehr eines Einseitenbands mit einem Träger Means for reversing a Einseitenbands with a carrier
10/11/2000EP1042871A1 Digital radio-frequency transceiver
10/10/2000US6131067 Client-server based remote locator device
10/10/2000US6131023 Cable modem tuner with an up-stream and a reception circuit in the same casing
10/10/2000CA2127828C Radio receiver
10/04/2000EP1041710A1 Transceiver using an image reject mixer
10/04/2000EP1040587A1 Receiver with sigma-delta analog-to-digital converter
10/04/2000EP1040571A1 Method and arrangement for correcting phase error in linearization loop of power amplifier
10/04/2000EP1040566A2 Frequency offset image rejection
10/04/2000CN1268830A Multiple frequency band data communication equipment and communication method and storage medium therefor
10/03/2000US6127962 Image rejection mixer
10/03/2000US6127960 Direct digital downconverter based on an oscillator/counter analog-to-digital converter
09/2000
09/28/2000WO2000028657A9 Adjustable balanced modulator
09/27/2000EP1039649A2 Method and apparatus for multiband data communication , and storage medium
09/27/2000EP1039628A1 Highly integrated radio frequency transmitter with image rejection, optionally auto-calibrated
09/26/2000US6125272 Method and apparatus providing improved intermodulation distortion protection
09/26/2000US6125271 Front end filter circuitry for a dual band GSM/DCS cellular phone
09/26/2000US6125268 Tuning bandwidth minimization for low voltage dual band receiver
09/21/2000WO2000055967A1 Semiconductor device and communication device
09/21/2000WO2000055964A1 Linearized transconductance cell
09/20/2000EP1037380A2 Frequency converter
09/20/2000CN2397673Y Ultra-low frequency generator
09/20/2000CN1267130A Frequency changer
09/19/2000US6122506 GSM cellular telephone and GPS receiver combination
09/19/2000US6122497 RF mixer with inductive degeneration
09/19/2000US6122326 High precision, low phase noise synthesizer with vector modulator
09/19/2000US6121846 Digital phase comparator without dead zone
09/19/2000US6121819 Switching down conversion mixer for use in multi-stage receiver architectures
09/19/2000US6121818 Mixer using replica voltage-current converter
09/14/2000WO2000054420A1 Radio terminal device
09/14/2000WO2000036799A3 Transmitter linearization
09/13/2000EP1035649A2 Communication method and apparatus for performing multichannel transmission
09/13/2000CN1266554A Communications device
09/12/2000US6118992 Mixer circuit in CATV UP/DOWN converter
09/12/2000US6118984 Dual conversion radio frequency transceiver
09/12/2000US6118810 Multi-channel base station/terminal design covering complete system frequency range
09/12/2000US6118499 Digital television signal receiver
09/08/2000WO2000052840A1 Multi-band transceiver utilizing direct conversion receiver and direct conversion receiver
09/08/2000WO2000052839A1 Transmitter/receiver unit
09/08/2000WO2000052819A1 Direct conversion receiver employing subharmonic frequency translator architecture and related preprocessor
09/06/2000EP1033818A1 Signal generating circuit, and transmitter, receiver and transmitting and receiving device using the circuit
09/06/2000EP1032982A1 Transceiver architecture in a dual band mobile phone
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