Patents
Patents for H03H 7 - Multiple-port networks comprising only passive electrical elements as network components (15,104)
04/2007
04/11/2007EP1166322B1 Plasma processing method and apparatus with control of rf bias
04/11/2007CN1947332A Method and circuit for adaptive equalization of multiple signals in response to a control signal generated from one of the equalized signals
04/11/2007CN1946262A Electronic circuit having transmission line type noise filter
04/10/2007US7203474 Receiver system
04/10/2007US7203233 Adaptive coefficient signal generator for adaptive signal equalizers with fractionally-spaced feedback
04/10/2007US7203232 Apparatus and method for adjusting filter tap length of adaptive equalizer by using training sequence
04/10/2007US7203231 Method and device for block equalization with improved interpolation
04/10/2007US7203230 Method and system for training adaptive channel equalization
04/10/2007US7202760 Resistive voltage divider
04/10/2007US7202757 Compact balun with rejection filter for 802.11a and 802.11b simultaneous operation
04/05/2007WO2007036211A1 Band-pass filter
04/05/2007US20070076791 Approximate cholesky decomposition-based block linear equalizer
04/05/2007US20070075803 Multi-band high-frequency circuit, multi-band high-frequency circuit component and multi-band communication apparatus using same
04/05/2007US20070075802 Wide-bandwidth balanced transformer
04/04/2007CN2886980Y Electronic ballast for DC fluorescent lamp
04/04/2007CN1943125A Method of configuring base station, and base station
04/04/2007CN1941621A Surge absorber
04/04/2007CN1941591A Power conversion apparatus and method for fuel cell
04/04/2007CN1309178C Bybass filter, multi-band antenna switch circuit, and communication device using them
04/04/2007CN1309160C Noise filter
04/03/2007US7200365 Composite high frequency component and mobile communication device including the same
04/03/2007US7200172 Method and apparatus for determining components of a channel impulse response for use in a SAIC equalizer
04/03/2007US7200010 Impedance qualization module
04/03/2007US7199684 Filter circuit with a filter stage and balun on a single substrate
04/03/2007US7199682 Distributed balun with a non-unity impedance ratio
04/03/2007US7199681 Interconnecting of digital devices
04/03/2007US7199679 Baluns for multiple band operation
04/03/2007US7199678 Impedance matching apparatus for a plasma chamber comprising two separate storage units and calculators
04/03/2007US7199443 Integration of filters using on-chip transformers for RF and wireless applications
03/2007
03/29/2007WO2007035956A1 Electrical funnel: a novel broadband signal combining method
03/29/2007WO2007034658A1 Balun circuit and integrated circuit apparatus
03/29/2007WO2007034589A1 High-frequency front end module, and duplexer
03/29/2007US20070071153 Adaptive reception techniques for over-sampled receivers
03/29/2007US20070071085 Noise filter and filtering method
03/29/2007US20070071084 Programmable digital equalization control circuitry and methods
03/29/2007US20070071083 Equalizing a transmitter
03/29/2007US20070071070 Receiver techniques for wireless communication
03/29/2007US20070069836 Multilayer filter
03/29/2007US20070069835 Compact integration of LC resonators
03/29/2007DE102005046452A1 Multi-band circuit for electrical component, has signal path comprising two signal branches with respective circuits, where one circuit diverts signals at blocking frequency, such that input of one signal branch is connected with ground
03/29/2007DE102005046451A1 Balun circuit for electrical component e.g. high frequency component, has transmission lines arranged in signal paths arranged between unbalanced gate and terminals of balanced gate, respectively, and having length of quarter wavelength
03/29/2007DE102005046445A1 Band-pass filter for use in e.g. wireless LAN module, has signal branches forming resonator that propagates wave modes with amplitude equations, and wave resulting at output gate for locking frequencies and corresponding to equations
03/28/2007EP1768254A1 High output amplifier
03/28/2007EP1766777A2 Improved integrated circuit implementation for power and area efficient adaptive equalization
03/28/2007EP1766776A2 Power and area efficient adaptive equalization
03/28/2007CN1938939A Transmitter predistortion circuit and method therefor
03/28/2007CN1938925A Noise control circuit
03/27/2007US7197069 Multi-pair gigabit ethernet transceiver having adaptive disabling of circuit elements
03/27/2007US7196909 AC coupling circuit having a large capacitance and a good frequency response
03/27/2007US7196595 Multilayer diplexer
03/27/2007US7196566 High-resolution variable attenuation device
03/22/2007WO2007032452A1 Variable resonance circuit, filter, communication apparatus and method for regulating temperature characteristics of variable resonance circuit
03/22/2007WO2007031051A1 Electrical component for the frontend circuit of a transceiver
03/22/2007WO2007030864A1 A method and apparatus adapted to transmit data
03/22/2007WO2004095694A3 Low cost adjustable rf resonator devices manufactured from conductive loaded resin-based materials
03/22/2007US20070067135 Configurable voltage regulator
03/22/2007US20070064786 Equalizer and equalization method
03/22/2007US20070063788 System and method for a digitally tunable impedance matching network
03/22/2007US20070063786 Balanced-to-unbalanced converter
03/22/2007DE102005044856A1 Electronic component for e.g. receiver, has passive input impedance adjustment circuit with varactor whose capacitance is variably adjusted in operation based on control signal, which is applied to control input
03/21/2007EP1764918A1 Fbar filter
03/21/2007CN1306530C Noise filter, outdoor unit, and air conditioner
03/20/2007US7194029 Multi-pair gigabit ethernet transceiver having adaptive disabling or circuit elements
03/20/2007US7194028 Multi-Pair Gigabit Ethernet Transceiver having decision feedback equalizer
03/20/2007US7194027 Channel equalizing and carrier recovery system for home phoneline networking alliance receiver and method thereof
03/20/2007US7194025 Updating adaptive equalizer coefficients using known or predictable bit patterns distributed among unknown data
03/20/2007US7193487 Multilayer board switch matrix
03/20/2007US7193455 Programmable/tunable active RC filter
03/19/2007CA2559982A1 Antenna balun
03/15/2007WO2006052406A3 Method and apparatus for generating equalizer filter tap coefficients
03/15/2007US20070058710 Apparatus and method for decision error compensation in an adaptive equalizer
03/15/2007US20070057749 Filter element
03/15/2007US20070057745 Multilayer planar balun transformer, mixers and amplifiers
03/15/2007US20070057578 Noise suppressing circuit
03/15/2007DE102005043373A1 Electrical module with duplexer circuit, has antenna terminal connected to transmit filter and to receive filter via series capacitor with shunt inductor between antenna connection and ground to act as LC impedance matching circuit
03/14/2007CN2879536Y Double wide-band circuit switching-in device
03/14/2007CN1930776A High-frequency circuit and high-frequency component
03/13/2007US7190970 Multiplexer
03/13/2007US7190942 Efficient polyphase filter having a compact structure
03/13/2007US7190735 Generating two signals having a mutual phase difference of 90°
03/13/2007US7190721 Error convergence measurement circuit for providing convergence of a filter
03/13/2007US7190720 Tap weight initializer for an adaptive equalizer
03/13/2007US7190719 Impedance controlled transmitter with adaptive compensation for chip-to-chip communication
03/13/2007US7190103 Matching circuit for megasonic transducer device
03/08/2007WO2007027840A2 3d mmic balun and methods of making the same
03/08/2007US20070053419 Adaptive analog equalizer and digital signal receiver having the same
03/08/2007US20070052496 High frequency feedback in telerobotics
03/08/2007US20070052491 3D MMIC balun and methods of making the same
03/07/2007EP1761113A2 Dual logarithmic phase-magnitude detector
03/07/2007EP1760881A2 Methods and apparatus for symmetrical and/or concentric radio frequency matching networks
03/07/2007EP1405370B1 Antenna connector arrangement, antenna signal splitter and method for receiver frequency control
03/07/2007CN1925322A Methods and apparatus for symmetrical and/or concentric radio frequency matching networks
03/07/2007CN1925321A Integrated electronic device and method of making the same
03/06/2007US7187726 Method for demodulating a digital signal based on a generated error signal, and an associated receiver
03/06/2007US7187250 Coupler, integrated electronic component and electronic device
03/01/2007US20070047637 Channel equalizer, channel equalization method, and tap coefficient updating method
03/01/2007US20070047636 High speed line equalizer and method thereof
03/01/2007US20070047635 Signaling system with data correlation detection
03/01/2007US20070046391 Methods and apparatus for symmetrical and/or concentric radio frequency matching networks
03/01/2007DE202006019581U1 Übertrager zur Antennenanpassung und Schleifenkopplerspeisung Transformer for antenna matching and Schleifenkopplerspeisung
1 ... 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 ... 152