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)
09/2003
09/04/2003WO2002093758A3 Apparatus for transporting home networking frame-based communications signals over coaxial cables
09/04/2003US20030164712 Frequency selective improvement of the directivity of a return loss bridge
09/02/2003US6615031 Heterodyne stage for high-frequency receivers
09/02/2003US6614328 Radio frequency filter of combline structure having frequency cut-off circuit and method for implementing the same
08/2003
08/28/2003WO2003071677A1 Filter circuit
08/28/2003WO2003071676A1 Method and apparatus for minimizing intermodulation with an asymmetric resonator
08/28/2003WO2003071675A2 Thirty-degree length impedance transformer
08/28/2003WO2002014891A9 Automotive radar systems and techniques
08/28/2003US20030160668 Tuning circuit
08/28/2003US20030160655 Antenna amplifier
08/28/2003US20030160647 Trimming Impedance Between Two Nodes Connected To A Non-Fixed Voltage Level
08/27/2003EP1338096A2 Method of channel frequency allocation for rf and microwave duplexers
08/27/2003EP1337863A2 Dynamic impedance comparator
08/27/2003EP0829133B1 Agc circuit arrangement for a tuner
08/21/2003US20030157906 High-frequency signal transmission apparatus and electronic tuner using the same
08/21/2003US20030156001 Thirty-degree length impedance transformer
08/21/2003US20030155994 Cascaded arrangement of lower order filters and method of designing the same
08/21/2003US20030155992 Method of tuning a summing network
08/21/2003US20030155991 Miniature 180 degree power splitter
08/21/2003US20030155990 Circuit for filtration air signals; reducing current density
08/20/2003CN2567872Y Double output inputer terminal filter
08/20/2003CN1437799A Circuit arrangement for the suppression of analogue echoes
08/20/2003CN1437423A Channel-splitting filter, communication apparatus
08/20/2003CN1118954C Filter arrangement structure
08/19/2003US6608536 Constant impedance filter
08/19/2003US6608534 Matching circuit chip, filter with matching circuit, duplexer and cellular phone
08/19/2003US6608533 Matching circuit chip, filter with matching circuit, duplexer and cellular phone
08/19/2003US6607934 Micro-electromechanical process for fabrication of integrated multi-frequency communication passive components
08/14/2003WO2003067756A2 Filter circuit having an fe-based core
08/14/2003US20030152166 Methods and circuits for optimal equalization
08/14/2003US20030151881 First conductive layer has a plurality of interleaved inductors; second conductive layer above the substrate, wherein the second conductive layer has at least one inductor.
08/14/2003US20030151487 Filter circuit having an Fe-based core
08/14/2003US20030151439 Integrated circuit device implementing 90-degree phase shifter capable of generating output signals having phase difference therebetween at improved accuracy
08/13/2003EP1334535A1 A method of tuning a summing network
08/13/2003CN1436354A Integrated dual frequency noise attenuator and transient suppressor
08/13/2003CN1435994A High frequency signal transmission device and electronic tuner using it
08/12/2003US6606014 Filter structures for integrated circuit interfaces
08/12/2003US6605958 Precision on-chip transmission line termination
08/12/2003CA2161686C High temperature superconductor lumped elements and circuit
08/07/2003WO2003065603A1 Transmitter and/or receiver module
08/07/2003US20030147196 Electronic component and manufacturing method thereof
08/07/2003US20030146817 Electrical filter
08/07/2003US20030146809 Wide bandwidth bias tee
08/07/2003US20030146803 Matching network for RF plasma source
08/06/2003EP1333575A1 Electronic tuner
08/06/2003EP1332551A1 Amplifier linearisation
08/05/2003US6603383 Multilayer balun transformer structure
08/05/2003US6603380 Method of producing laminated ceramic electronic component and laminated ceramic electronic component
07/2003
07/31/2003WO2003063349A1 Nonlinear resistor circuit using floating gate mosfets
07/31/2003WO2003063347A1 Improved quadrature hybrid and improved vector modulator in a chip scale package using same
07/31/2003US20030143972 High frequency low-pass filter
07/31/2003US20030142763 Demodulation apparatus
07/31/2003US20030141953 Monolithic transformer compensated circuit
07/31/2003US20030141944 Built-in power supply filter for an integrated circuit
07/30/2003EP1331733A1 LC-type filtermodule and helical filter comprising at least two such modules
07/30/2003EP1331687A1 Composite high frequency apparatus
07/30/2003EP1188234B1 Circuit array for adapting an amplifier to a high frequency line and utilization of said circuit array
07/30/2003EP1095427B1 Extended bandwidth dual-band patch antenna systems and associated methods of broadband operation
07/30/2003CN1433592A Demodulating method and equipment in high-speed time-division multiplex packet data transmission
07/30/2003CN1116743C Device for separating transmitting waves and receiving waves and radio communication equipoment provided with the device
07/30/2003CN1116738C Monolithic inductive capacity resonance and monolithic inductive capacity filter
07/30/2003CN1116688C Variable capacitor and LC composite modules employing the same
07/29/2003US6600779 Signal processor having feedback loop control for decision feedback equalizer
07/29/2003US6600385 Front end module for mobile communications apparatus
07/29/2003US6600294 Switched reactance phase shifters
07/28/2003CA2417395A1 Monolithic transformer compensated circuit
07/24/2003WO2003061120A1 Phase shifting circuit and phase shifter
07/24/2003WO2003061058A1 Circuit topology for attenuator and switch circuits
07/24/2003WO2003060934A1 Wide-band blocking filter
07/24/2003US20030137383 On-chip transformer balun
07/24/2003US20030137369 L-C type filter module and helical filter made up of at least two such modules
07/24/2003US20030137363 Quadrature hybrid and improved vector modulator in a chip scale package using same
07/24/2003US20030137300 Variable capacitor, filter and NMR sensor comprising such a capacitor
07/24/2003US20030137284 Switched reactance phase shifters
07/24/2003US20030136519 Matching circuit and plasma processing apparatus
07/23/2003EP1329916A1 Variable capacitor, filter and NMR probe containing such a capacitor
07/23/2003EP0840941B1 Method of and apparatus for controlling reactive impedances of a matching network connected between an rf source and an rf plasma processor
07/23/2003CN1115741C Glass antenna system with impedance matching network
07/23/2003CN1115739C Voltage-controlled variable-passband filter and ligh-frequency circuit module incorporating same
07/22/2003US6597563 Thin irreversible circuit element provided with capacitors
07/22/2003US6597056 Laminated chip component and manufacturing method
07/17/2003WO2003058809A2 Bulk acoustic wave resonator with two piezoelectric layers as balun in filters and duplexers
07/17/2003WO2003058807A1 Device and method for reducing noise
07/17/2003WO2003058651A1 Noise filter, outdoor unit, and air conditioner
07/17/2003US20030134612 Noise filter and electronic device using noise filter
07/17/2003US20030132814 Circuit topology for attenuator and switch circuits
07/16/2003EP1328062A1 Cascaded arrangement of low order filters and method of designing the same
07/16/2003EP1129520B1 Bus through termination circuit
07/16/2003CN1430247A Match circuit and plasma processing device
07/15/2003US6593830 Non-interruptible tap
07/15/2003US6593816 Balanced input/output filter circuit and device
07/15/2003CA2318189C Catv power inserter
07/10/2003WO2003056844A2 Switched power combiner with adjustable impedance-matching transformer
07/10/2003WO2003056656A1 Spiral balun
07/10/2003US20030129957 Multilayer LC filter
07/10/2003US20030128081 Bulk acoustic wave resonator with two piezoelectric layers as balun in filters and duplexers
07/10/2003US20030127946 Electronic component, manufacturing method for the same, and filter, duplexer, and electronic communication apparatus using the same
07/09/2003EP1326333A2 Surface-acoustic-wave filters with poles of attenuation created by impedance circuits
07/09/2003EP1326331A2 Noise filter
07/09/2003CN1428889A Triplexer and its multilayer structure
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