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)
01/2013
01/09/2013CN101909025B Method, device and system for realizing calibration for local oscillator restraint
01/08/2013US8351891 Wideband distributed mixers
01/03/2013WO2013001743A1 Semiconductor reception device
01/02/2013EP2541758A1 Upconverter and downconverter with switched transconductance and LO masking
01/02/2013CN202652372U A high frequency tuner used for receiving satellite television signal
12/2012
12/27/2012WO2012175107A1 An improved mixer circuit
12/26/2012EP2537250A1 Double clipped rf clock generation with spurious tone cancellation
12/26/2012CN202634366U Digital down converter
12/26/2012CN202634365U FPGA-based digital frequency synthesizer with spurious suppression and optimization technology
12/26/2012CN202634364U Passive tri-balance frequency converter
12/26/2012CN101635802B Receiving apparatus
12/26/2012CN101552753B DC offset correction circuit of wireless communication device and correction method thereof
12/25/2012US8340618 Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
12/20/2012WO2012174544A2 Current mode blixer with noise cancellation
12/19/2012CN202617066U Frequency converter based on analog circuit
12/19/2012CN102832885A Low-noise variable-gain mixer
12/12/2012CN102820853A Interleaved digital down-conversion on a test and measurement instrument
12/12/2012CN101826842B Frequency mixer capable of improving quality of signal
12/12/2012CN101641861B Semiconductor chip and high frequency circuit
12/06/2012WO2012164876A1 Transmitter
12/05/2012CN202586875U Digital up-conversion system with variable bandwidth
12/05/2012CN101800513B Digital demodulation device and related method
12/05/2012CN101682298B Calibration-free local oscillator signal generation for a harmonic-rejection mixer
12/05/2012CN101060309B 信号处理电路和信号处理方法 A signal processing circuit and a signal processing method
12/04/2012US8326247 Receiver
12/04/2012US8325759 System and method for carrying a wireless based signal over wiring
11/2012
11/28/2012CN102176655B Self-calibrating direct conversion transmitter with converting/steering device
11/28/2012CN101964631B Improved double Gilbert structure radio-frequency orthogonal upper frequency mixer
11/21/2012EP2524430A1 Signal tuning with variable intermediate frequency for image rejection and methods
11/21/2012CN102790588A Downconverter, downconverter ic, and method for controlling the downconverter
11/15/2012DE102011075796A1 Mischerzelle, Modulator und Verfahren Mixer cell modulator and method
11/14/2012EP2522071A2 Signal decimation techniques based on a configurable frequency divider and a configurable delay
11/14/2012CN202535309U Small airborne frequency up-conversion system frequency conversion channel circuit
11/14/2012CN102783015A Virtual weaver architecture filter
11/14/2012CN102780455A Mixer, mixer system and method
11/14/2012CN102780454A Mixer cell, modulator and method
11/14/2012CN102055408B Down-conversion and signal-conversion integrated system
11/14/2012CN101902201B Mixer with high linearity
11/07/2012EP2520020A1 Method and apparatus relating to signal control
11/07/2012CN101697476B Frequency change arrangement and radio frequency tuner
11/06/2012US8306067 Dual-frequency multiplexer
11/01/2012WO2012147784A1 Analog multiplier circuit, variable gain amplifier, detector circuit, and physical quantity sensor
10/2012
10/31/2012DE102011017545A1 Auto-Heterodynempfänger Auto-heterodyne
10/31/2012CN101682299B Dual-mode mixer circuit and method
10/30/2012US8301093 Receiver circuit and data transmission system
10/30/2012US8299838 Combined mixer and balun design
10/26/2012WO2012145082A1 Synchronous full-bridge power oscillator
10/25/2012DE102012007710A1 Taktsignale eines lokalen Oszillators Clock signals of a local oscillator
10/25/2012DE102011007920A1 Mischer, Mischersystem und Verfahren Mixers, system and method
10/24/2012CN102754332A Down-conversion using square wave local oscillator signals
10/24/2012CN102751949A Local oscillator clock signals
10/23/2012US8295800 Apparatus and method for down-converting electromagnetic signals by controlled charging and discharging of a capacitor
10/18/2012WO2012140703A1 Image-removing device and video display device
10/17/2012CN102742153A Signal decimation techniques based on a configurable frequency divider and a configurable delay
10/17/2012CN102739166A Mixer circuit
10/17/2012CN101119356B Multichannel digital upconversion system and digital upconversion method
10/11/2012WO2012136240A1 A mixer circuit
10/11/2012WO2012136093A1 Frequency mixing circuit and method for suppressing local oscillator leakage therein
10/10/2012CN102035476B Switch capacitor mixing circuit and communication transceiving device with same
10/04/2012WO2012131831A1 Conversion device and receiving device
10/03/2012CN102710219A Passive three-balanced frequency converter
10/02/2012US8280339 Mixer capable of detecting or controlling common mode voltage thereof
09/2012
09/26/2012CN101772886B Harmonic rejection mixer unit and method for performing a harmonic rejection mixing
09/26/2012CN101674049B Noise suppression circuit used for frequency mixing device and relevant frequency mixing device thereof
09/20/2012WO2012088088A3 Method and system for reducing signal phase contamination
09/19/2012CN102684609A Receiver with wide dynamic range and low power consumption
09/19/2012CN101771382B Method and device for realizing frequency fine tuning by utilizing direct digital synthesis technology
09/19/2012CN101331679B 接收器电路和无线通信设备 Receiver circuit and a wireless communication device
09/12/2012CN102664593A Miniature airborne up-conversionsystem
09/12/2012CN102664592A Miniature airborne up-converter and manufacturing process thereof
09/12/2012CN102664591A Frequency conversion channel circuit of small-sized airborne upconversion system
09/12/2012CN102664590A Method for processing up-conversion digital signals of modulator of satellite mobile communication gateway station
09/05/2012EP2495870A1 Mixing circuit
09/05/2012CN202424623U Frequency mixing system capable of expanding continuous operation bandwidth of frequency synthesizer
09/05/2012CN102655393A ASK (Amplitude Shift Keying) modulator with self-calibration function
09/05/2012CN101517889B Radio receiver
09/05/2012CN101282107B Dynamic current steering mixer and orthogonal dynamic current steering mixer
08/2012
08/30/2012WO2012087674A3 Device, system and method of wireless communication over a plurality of wireless communication frequency channels
08/30/2012US20120220254 Methods and systems for down-converting a signal using a complementary transistor structure
08/29/2012EP2491647A1 Passive mixer with reduced second order intermodulation
08/29/2012CN202406088U Current-multiplexing low-noise amplifier and mixer integration structure
08/28/2012US8254860 Transceiver arrangement and method for processing a signal
08/23/2012WO2012111848A1 Mixer circuit
08/23/2012WO2012111278A1 Signal processor and signal processing method
08/22/2012EP2489121A1 Doubled balanced mixer with improved component matching
08/22/2012CN202395726U Transconductance-enhancing passive mixer
08/22/2012CN202395725U Electric current multiplexing high-linearity folded current mirror mixer
08/22/2012CN102647154A Switched capacitor all-digital frequency mixer and anti-aliasing filter
08/22/2012CN101662261B High-linearity folding mixer
08/22/2012CN101499775B Method and apparatus for pulse compression processing the linear frequency modulation signal by CORDIC
08/16/2012WO2012107471A1 Frequency translation filter apparatus and method
08/16/2012WO2012107286A1 Complex intermediate frequency based receiver architecture
08/15/2012EP2487788A1 Complex intermediate frequency based receiver architecture
08/15/2012EP2487787A1 Frequency translation filter apparatus and method
08/15/2012CN202385054U Frequency mixer
08/15/2012CN102640414A Mixing circuit
08/15/2012CN102638228A Up-converter and up-conversion method
08/15/2012CN102638227A Ultra-wideband frequency mixer circuit with on-chip active balanced-unbalanced converter
08/08/2012CN202374220U Single balanced mixer
08/08/2012CN102629853A Audio mixing console avoiding signal level overload
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