Patents
Sitemap › H03 - Basic electronic circuitry › H03H - Impedance networks, e.g. resonant circuits; Resonators › H03H 7 - Multiple-port networks comprising only passive electrical elements as network components
Patents for H03H 7 - Multiple-port networks comprising only passive electrical elements as network components (15,104)
09/2005
09/15/2005US20050200426 Off-chip LC circuit for lowest ground and VDD impedance for power amplifier
09/15/2005US20050200422 Tunable filters having variable bandwidth and variable delay
09/15/2005DE102004009171A1 Circuit structure for suppressing low frequency interference voltages in microphones, e.g. pop or wind noise, feeds microphone voltage to a voltage current current transformer
09/14/2005EP1573928A2 Apparatus, and associated method, for performing joint equalization in a multiple-input, multiple-output communication system
09/14/2005EP1573894A2 Driving of an array of micro-electro-mechanical-system (mems) elements
09/14/2005EP1403887B1 Coil filter and method for manufacturing the same
09/14/2005CN1669228A Device for dynamic impedance matching between a power amplifier and an antenna
09/14/2005CN1669218A Apparatus and methods for tuning antenna impedance using transmitter and receiver parameters
09/13/2005US6944435 Unconditionally stable on-chip filter and applications thereof
09/13/2005US6944431 High-frequency signal transmission apparatus and electronic tuner using the same
09/13/2005US6943646 Isolation of miniature filters
09/13/2005US6943643 Controllable two-phase network with amplitude compensation
09/09/2005WO2005084090A1 Liquid crystalline polymer- and multilayer polymer-based passive signal processing components for rf/wireless multi-band applications
09/09/2005WO2005083894A1 Method of configuring base station, and base station
09/09/2005WO2005083885A1 Device for wireless communication
09/08/2005US20050197797 Method and apparatus for testing circuit boards
09/08/2005US20050195541 Load and matching circuit having electrically controllable frequency range
09/07/2005CN1665130A Load and matching circuit having electrically controllable frequency range
09/07/2005CN1218480C BPF device
09/06/2005US6940924 Signal detection based on channel estimation
09/06/2005US6940366 Coil filter and method for manufacturing the same
09/06/2005US6940365 Methods and apparatus for an improved discrete LC filter
09/06/2005US6940303 System and method to establish an adjustable on-chip impedance
09/01/2005WO2005081272A1 Lc composite component
09/01/2005US20050192055 Method of configuring base station, and base station
09/01/2005US20050192047 Diplexer
09/01/2005US20050190587 Microstrip line dielectric overlay
09/01/2005US20050190089 Circuit arrangement for the delay adjustment of analog-to-digital converters operating in a temporally offset manner
09/01/2005US20050190013 Frequency discrete LC filter bank
09/01/2005US20050189980 Electronic isolator
09/01/2005US20050189951 Filter calibration
08/2005
08/31/2005EP1569333A1 Diplexer
08/31/2005EP1568128A1 Decoupling module for decoupling high-frequency signals from a voltage supply line
08/31/2005EP1568097A1 Variable power divider
08/31/2005EP1142291B1 Network data filtering
08/31/2005CN1663132A Low frequency attenuating circuit
08/31/2005CN1663119A Interconnecting of digital devices
08/31/2005CN1661912A Diplexer
08/31/2005CN1661911A Circuit device
08/31/2005CN1661852A 90 degrees hybrid circuit
08/30/2005US6937845 High-frequency module and radio device using the same
08/30/2005US6937195 Inverted-F ferroelectric antenna
08/30/2005US6937179 Resistor tuning network and method for tuning a resistor in an electronic circuit
08/30/2005US6937115 Filter having parasitic inductance cancellation
08/30/2005US6937113 Branching filter package
08/30/2005US6937089 Offset, delay and parasitically immune resister-capacitor (RC) tracking loop and method of using same
08/30/2005US6937081 Delay producing method, delay adjusting method based on the same, and delay producing circuit and delay adjusting circuit applied with them
08/25/2005WO2005078922A1 Automatic matching and tuning unit
08/25/2005WO2005078861A2 Inverted-f ferroelectric antenna
08/25/2005WO2005060043A3 Phase shifters, such as for a multiple antenna wireless communication system
08/25/2005US20050184922 Control device for antenna matching circuit
08/25/2005US20050184832 Symmetric microwave filter and microwave integrated circuit merging the same
08/25/2005US20050184829 LC composite component
08/25/2005US20050184828 Tunable wideband bandpass filter, tunable multi-band wideband bandpass filter using the same, and methods therefore
08/25/2005US20050184824 Termination impedance tuning circuit
08/25/2005US20050184823 Impedance matching circuit with automatic adjustment and method thereof
08/25/2005CA2558294A1 Automatic matching and tuning unit
08/24/2005EP1566883A2 LC oscillator
08/24/2005EP1565984A1 Duplexer and method of isolating an rx-band and a tx-band
08/24/2005CN1658499A 阻抗阻塞滤波器电路 An impedance blocking filter circuit
08/23/2005US6934557 Portable type radio equipment
08/23/2005US6933803 Surface acoustic wave filter, branching filter, and communication apparatus
08/23/2005US6933801 Distributed load transmission line matching network
08/18/2005US20050181847 Wireless terminals
08/18/2005US20050181750 Automatic matching and tuning unit
08/18/2005US20050179582 Radar detection method and apparatus
08/18/2005US20050179505 Method and apparatus for tuning a filter
08/18/2005US20050179136 Multi-layer substrate module and wireless terminal device
08/17/2005EP1563602A2 A flat intermediate if filter for tuners
08/17/2005CN1656679A Methods and apparatus for tuning successive approximation
08/17/2005CN1656675A 噪声抑制电路 Noise suppression circuit
08/17/2005CN1656581A Decoupling module for decoupling high-frequency signals from a power supply line
08/17/2005CN1655448A Output impedance control circuit and control method
08/17/2005CN1215495C Wave filter
08/17/2005CN1215426C Semiconductor memory device
08/16/2005US6931122 Single transformer hybrid system and method
08/11/2005WO2005074124A1 Adjusting circuit
08/11/2005WO2005074121A1 Transmitter predistortion circuit and method therefor
08/11/2005WO2005072070A2 Signal detector
08/11/2005US20050176393 Filter circuit permitting adjustment of cutoff frequency
08/11/2005US20050174196 Symmetrical polyphase network
08/11/2005US20050174157 Variable attenuation network
08/10/2005EP1561226A2 Highly insulated inductive data couplers
08/10/2005CN1214523C Method for heat conversion plasma tuner
08/10/2005CN1214458C RF module member including surface elastic wave element and its manufacture method
08/09/2005US6928298 Mobile communication device and high-frequency composite unit used in the same
08/09/2005US6928106 Phy control module for a multi-pair gigabit transceiver
08/09/2005US6927650 Common mode choke coil with vertically arranged edgewise windings of rectangular wire
08/09/2005US6927648 Multiplexer
08/09/2005US6927644 Low-loss tunable ferro-electric device and method of characterization
08/09/2005US6926288 Electromagnetic interference filter
08/09/2005CA2349822C Adaptive tuning device and method for a wireless communication device
08/04/2005WO2005071833A1 Improvements in or relating to passive filters
08/04/2005US20050170794 Adjusting circuit
08/04/2005US20050168300 Balun device
08/04/2005US20050168298 Electromagnetic interface module for balanced data communication
08/04/2005US20050168152 Termination of secondary frequencies in RF power delivery
08/04/2005US20050168105 Electronic component, manufacturing method for the same, and filter, duplexer, and electronic communication apparatus using the same
08/04/2005DE10321247B4 Verlustarmes Sendemodul Low-loss transmission module
08/04/2005DE10115658B4 Bauelement mit einer elektromagnetischen Spule und einer veränderbaren Kapazität Device having a electromagnetic coil and a variable capacity
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