Patents
Patents for H03H 7 - Multiple-port networks comprising only passive electrical elements as network components (15,104)
05/2011
05/26/2011US20110121912 Asymmetric power divider
05/26/2011DE102009056395A1 Method for testing function of e.g. hybrid electromagnetic compatibility filter utilized in field of power electronics in aircraft, involves detecting malfunction of filter by minimum variation between resulting- and expectation signals
05/25/2011EP2326002A1 Vector synthesis type phase shifter, optical transceiver, and control circuit
05/25/2011CN201845650U Balanced-unbalanced transformer
05/25/2011CN102075201A Receiver including an LCD tank filter and method thereof
05/25/2011CN102075159A Impedance calibration circuit with uniform step heights
05/25/2011CN102075158A Method for designing ultra wideband impedance matching network
05/25/2011CN102075157A Variable resonator and variable filter
05/25/2011CN102075156A System and method for wideband high current RF choke network
05/25/2011CN102075155A Integrated low-pass filter circuit
05/25/2011CN102074352A Variable distributed constant line, variable filter, and communication module
05/25/2011CN101090261B Semiconductor filter structure and method of manufacture
05/24/2011US7949041 Methods and circuits for asymmetric distribution of channel equalization between devices
05/24/2011US7948332 N-channel multiplexer
05/24/2011US7948331 Thin film balun
05/19/2011US20110115573 Band-pass filter
05/19/2011US20110115572 Methods and apparatus for a resonant transmit/receive switch with transformer gate/source coupling
05/19/2011US20110115512 Integrated circuit tester with high bandwidth probe assembly
05/19/2011DE102005047155B4 Sendeanordnung und Verfahren zur Impedanzanpassung Transmitting arrangement and method for impedance matching
05/18/2011CN201839262U Automatic signal attenuation system
05/18/2011CN201839261U Biquadratic element tracking band-pass integrating circuit based on PWM
05/18/2011CN201839260U Network filter
05/18/2011CN1770642B Wireless communication module, communication terminal, and impedance matching method
05/18/2011CN102067457A Integrator, resonator, and oversampling A/D converter
05/18/2011CN102067446A Filter device
05/18/2011CN102064788A System and method for equalizing the small signal response of variable phase voltage regulators
05/18/2011CN102064787A Radio frequency band-pass filter circuit
05/18/2011CN102064786A Band-pass filter
05/18/2011CN102064785A Ceramic stack filter
05/18/2011CN102064784A Method for analyzing and controlling equivalent circuit of resonance wavelength in nanometer sandwich structure
05/18/2011CN102064783A Design method for probability hypothesis density particle filter and filter
05/18/2011CN102064368A LTCC wide-stop band band-pass filter
05/18/2011CN102064002A Network filter and manufacturing method thereof
05/17/2011US7944964 Apparatus and method for stable DEF using selective FBF
05/17/2011US7944327 Band-pass filter having a ring resonator
05/17/2011US7944326 EMC filter
05/17/2011US7944325 Electrical module with specified ground-side connection of filter circuit shunt arms
05/17/2011US7944322 Method and system for flip chip configurable RF front end with an off-chip balun
05/17/2011US7943006 Method and apparatus for preventing arcing at ports exposed to a plasma in plasma processing chambers
05/12/2011WO2011054403A1 Impedance circuit and method for signal transformation
05/12/2011US20110109404 Balancing circuit for a metal detector
05/12/2011US20110109400 Electronic Device
05/12/2011DE102005035385B4 Digital-Analog-Umsetzer und Verfahren zur Digital-Analog-Umsetzung eines Signals Digital-to-analog converter and method for digital-to-analog conversion of a signal
05/11/2011CN201830213U Laminated ceramic filter
05/11/2011CN201830212U Iron core-embedding structure for filters
05/11/2011CN201830211U Lock-in amplifying circuit adopting CD552-R3 chip
05/11/2011CN102055428A Microwave and millimeter wave wideband 5bit singlechip integrated digital phase shifter
05/11/2011CN102055427A Microwave millimeter wave ultra-wide band low phase shift six-figure attenuator
05/11/2011CN102055426A Wave filter
05/10/2011US7940840 Dual barrel receiver equalization architecture
05/10/2011US7940839 Fully adaptive equalization for high loss communications channels
05/10/2011US7939909 Device having inductors and capacitors
05/05/2011WO2011053888A1 Mems-based tunable filter
05/05/2011WO2011052374A1 Common-mode filter
05/05/2011WO2010144536A3 Arrangement for rf power delivery to a gas discharge laser with cascaded transmission line sections
05/05/2011US20110103456 Method and system for low complexity conjugate gradient based equalization in a wireless system
05/05/2011US20110102114 Device And Method For Attenuating An Anti-Resonant Circuit
05/05/2011US20110102104 Integrated Channel Filter and Method of Operation
05/05/2011US20110102103 Radio frequency filter
05/05/2011US20110102098 Structure for reducing scattering of electromagnetic waves
05/05/2011US20110102097 System for transmitting an electric pulse and device for capacitive disconnection for such a system
05/05/2011CA2778831A1 Mems-based tunable filter
05/04/2011CN1551501B Calibration unit of calibrating resistance/capacitor filter circuit, filter device and method
05/04/2011CN1536763B Surface acoustic wave device and its manufacture method
05/04/2011CN102047556A Vehicle-mounted noise filter
05/04/2011CN101641749B Photosensitive dielectric paste and electronic part made with the same
05/04/2011CN101002419B Apparatus for and method of controlling sampling frequency and sampling phase of a sampling device
05/03/2011US7936813 Diversity GMSK-receiver with interference cancellation and methods therein
05/03/2011US7936812 Fractional-rate decision feedback equalization useful in a data transmission system
05/03/2011US7936810 Delayed combining of frequency-domain equalized wireless channels with large delay-spreads
05/03/2011US7936235 Method to increase the tuneability of varactors
05/03/2011US7936233 Coaxial automatic impedance adaptor
04/2011
04/28/2011WO2011049994A2 Current control in plasma processing systems
04/28/2011WO2011049986A1 Lr polyphase filter
04/28/2011WO2011049769A2 Methods and apparatus for tuning matching networks
04/28/2011WO2011016979A3 Apparatus for vhf impedance match tuning
04/28/2011US20110096825 Fractional-Rate Decision Feedback Equalization Useful in a Data Transmission System
04/28/2011US20110095848 System and method for wideband high current rf choke network
04/28/2011US20110095847 Chip filter and the related supplementary tool
04/28/2011US20110095846 Filter for Switched Mode Power Supply
04/28/2011US20110095840 Catv face plate device and method with extended frequency range
04/28/2011US20110095705 Filter device
04/27/2011CN102035493A Band-pass/band-stop type miniature low temperature co-fired ceramic duplexer
04/27/2011CN102035492A Layered bandpass filter
04/27/2011CN102035491A Multilayer bandpass filter
04/27/2011CN102035490A Common mode filter
04/27/2011CN102035482A EMI (Electro-Magnetic Interference) suppression circuit of D type power amplifier
04/21/2011WO2011047141A2 Dynamic real-time calibration for antenna matching in a radio frequency transmitter system
04/21/2011WO2011047139A1 Dynamic real-time calibration for antenna matching in a radio frequency receiver system
04/21/2011WO2011022549A3 Digital tunable inter-stage matching circuit
04/21/2011US20110092169 Lr polyphase filter
04/21/2011US20110090875 Apparatus and methods for determination of gain factors for wireless communication transmission power
04/21/2011US20110090024 Switched Capacitor Array Having Reduced Parasitics
04/21/2011US20110090021 Circuit for Impedance Matching
04/21/2011CA2777065A1 Dynamic real-time calibration for antenna matching in a radio frequency transmitter system
04/21/2011CA2777064A1 Dynamic real-time calibration for antenna matching in a radio frequency receiver system
04/20/2011EP2312596A2 SIP (symmetrical-in-parallel) induction coils for electromagnetic devices
04/20/2011EP1723730B1 Method of configuring base station, and base station
04/20/2011CN201805405U Anti-interference USB data download filter circuit
04/20/2011CN102027632A Left-handed resonator and left-handed filter using the same
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