| Patents for H03H 7 - Multiple-port networks comprising only passive electrical elements as network components (15,104) |
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| 04/15/2004 | US20040070538 Antenna incorporating filter |
| 04/15/2004 | US20040070468 Noise filter |
| 04/15/2004 | US20040070449 Amplifier linearisation |
| 04/15/2004 | US20040070351 Circuitry and methods for improving the performance of a light emitting element |
| 04/15/2004 | DE10125040B4 Tiefpaßfilter und Verwendung desselben in einer Mobilkommunikationsvorrichtung Low-pass filter and using the same in a mobile communication device |
| 04/14/2004 | EP1407545A1 Electronic inductive and capacitive component |
| 04/14/2004 | EP1190369B1 Communications terminal |
| 04/14/2004 | CN1146142C Mobile radio unit |
| 04/13/2004 | US6721427 Analog filter for digital audio system and audio amplifier for using the same |
| 04/13/2004 | US6721358 Signal synthesizer and method therefor |
| 04/08/2004 | WO2004030209A1 Circuit arrangement and signal processing device |
| 04/08/2004 | US20040066337 Antenna apparatus and communication apparatus using the same |
| 04/08/2004 | US20040066252 Ninety degree coupler for radio frequency degraded circuits |
| 04/07/2004 | EP1406384A1 Reverse gain saving broadband RF couplers |
| 04/07/2004 | EP1405370A1 Antenna connector arrangement, antenna signal splitter and method for receiver frequency control |
| 04/07/2004 | CN1145259C Laminated resonator and laminated band-pass filter using the same resonator |
| 04/06/2004 | US6718157 Apparatus for commonly using antenna for call signal and television broadcasting signal in radio communication terminal |
| 04/06/2004 | US6717502 Integrated balun and transformer structures |
| 04/06/2004 | US6715197 Laminated ceramic electronic component and method for manufacturing same |
| 04/01/2004 | WO2003079558A3 A device for coupling radio frequency energy from various transmission lines using variable impedance transmission lines |
| 04/01/2004 | US20040061804 Broadband receiver having a multistandard channel filter |
| 04/01/2004 | DE10243869A1 Schaltkreis-Anordnung und Signalverarbeitungs-Vorrichtung Circuit arrangement and signal processing device |
| 03/31/2004 | EP1404013A1 A drive controller |
| 03/31/2004 | EP1403887A1 Coil filter and method for manufacturing the same |
| 03/31/2004 | CN1485863A Noise filter |
| 03/31/2004 | CN1144379C Radio frequency coupling device used for multi-frequency band radio communication device |
| 03/30/2004 | US6714766 Circuit assembly for producing a one-way connection between transmitter and/or receiver units and an antenna |
| 03/30/2004 | US6714101 Noise reduction filter array |
| 03/30/2004 | US6714100 Monolithic electronic device |
| 03/30/2004 | US6714099 Radio frequency filter, radio frequency circuit, antenna duplexer and radio terminal |
| 03/30/2004 | US6713162 Electronic parts |
| 03/25/2004 | WO2004025850A1 Transmitting/receiving filter device and communication device |
| 03/25/2004 | WO2004025831A1 Multiple resonance filter |
| 03/25/2004 | WO2003090351A3 Method and apparatus for tuning an rf matching network in a plasma enhanced semiconductor wafer processing system |
| 03/25/2004 | US20040059528 Semiconductor having reduced configuration pins and method thereof |
| 03/25/2004 | US20040057583 Dynamic impedance comparator |
| 03/25/2004 | US20040056733 Self-tuned matching network for high efficient power amplifiers |
| 03/25/2004 | US20040056730 Tunable voltage controlled oscillator |
| 03/25/2004 | DE10241674A1 Multiple-resonance filter formed as multilayer component, has three or more multilayer capacitors, with outer capacitors having same capacitance |
| 03/24/2004 | EP1401047A1 Self-tuned matching network for high efficient power amplifiers |
| 03/24/2004 | EP1401045A1 High-frequency device, high-frequency module and communication device comprising them |
| 03/24/2004 | CN1143428C Impedance matching circuit for power amplifier |
| 03/23/2004 | US6711216 Method and apparatus for an ultra-wideband radio utilizing MEMS filtering |
| 03/18/2004 | WO2004023652A1 Device comprising two mutually adapted impedances for the purpose of power transmission |
| 03/18/2004 | WO2004023651A1 Control circuit for a high-frequency amplifier |
| 03/18/2004 | WO2003092997A3 Dual frequency band wireless lan |
| 03/18/2004 | US20040055021 Apparatus for combining CATV channels with reduced insertion loss |
| 03/18/2004 | US20040051601 Integrated filter and impedance matching network |
| 03/18/2004 | US20040051600 Filtering circuit and power supply device equipped with same |
| 03/18/2004 | DE10241249A1 Filter arrangement to suppress current over oscillations has a capacitor on high inductance winding side of a transformer in resonance with the mains frequency |
| 03/17/2004 | EP1398819A2 Matching box, vacuum apparatus using the same, and vacuum processing method |
| 03/17/2004 | EP1397852A2 Electronic isolator |
| 03/16/2004 | US6707419 Radar transmitter circuitry and techniques |
| 03/16/2004 | US6707367 On-chip multiple tap transformer and inductor |
| 03/16/2004 | US6707253 Matching circuit and plasma processing apparatus |
| 03/11/2004 | US20040047410 Method and apparatus for compensating for phase error of digital signal |
| 03/11/2004 | US20040046621 Multiplexer |
| 03/11/2004 | US20040046613 Redundant clock source |
| 03/11/2004 | DE10240496A1 Regelschaltung für einen Hochfrequenzverstärker Control circuit for a high frequency amplifier |
| 03/11/2004 | DE10238690A1 Forming a blocking impedance, e.g. to reject power line interference, involves connecting oscillatory circuits resonating at differing frequencies in parallel with load |
| 03/10/2004 | EP1396935A1 Compact balun for 802.11a applications |
| 03/10/2004 | EP1396934A1 Compact balun with rejection filter for 802.11a and 802.11b simultaneous operation |
| 03/10/2004 | EP1396044A1 Antenna arrangement |
| 03/10/2004 | CN1481611A Multiplexer |
| 03/09/2004 | US6704397 Filter arrangement |
| 03/09/2004 | US6703899 Quad switched gain circuit |
| 03/04/2004 | WO2004019491A2 Circuit consisting of a filter stage and a balancing structural member |
| 03/04/2004 | US20040041669 Tuning circuit |
| 03/04/2004 | US20040041665 Continuous-time integrating filter with minimum phase variation, and bandpass sigma delta modulator using such a filter |
| 03/04/2004 | US20040041650 Compact balun for 802.11a applications |
| 03/04/2004 | US20040041649 Compact balun with rejection filter for 802.11a and 802.11b simultaneous operation |
| 03/04/2004 | US20040041624 Active hybrid circuit |
| 03/03/2004 | EP1394702A1 High-frequency electronic component and its designing method |
| 03/03/2004 | EP1393403A2 Tunable phase shifter and applications for same |
| 03/03/2004 | EP1393331A1 Foil wound low profile l-c power processor |
| 03/02/2004 | US6700792 High-frequency composite component and portable wireless device incorporating the component |
| 03/02/2004 | US6700061 Composite electronic component |
| 02/26/2004 | WO2004017515A1 Common mode signal suppressing circuit and normal mode signal suppressing circuit |
| 02/26/2004 | WO2003067756A3 Filter circuit having an fe-based core |
| 02/26/2004 | US20040037061 Method and components for manufacturing multi-layer modular electrical circuits |
| 02/26/2004 | US20040036554 Method for transforming bandpass filters to facilitate their production and resulting devices |
| 02/26/2004 | US20040036551 High-frequency module substrate device |
| 02/25/2004 | CN1478323A Integrated los-pass or band-pass filter |
| 02/25/2004 | CN1478321A Amplifier linearisation |
| 02/24/2004 | US6696902 Circuit for interfacing a balanced radio frequency power amplifier with an unbalanced load |
| 02/24/2004 | US6696885 Polyphase filters in silicon integrated circuit technology |
| 02/24/2004 | US6696680 Variable resistance circuit, operational amplification circuit and semiconductor integrated circuit |
| 02/19/2004 | WO2004015861A1 Fixed matching network with increased match range capabilities |
| 02/19/2004 | WO2004015838A2 Improved electromagnetic interference filter |
| 02/19/2004 | DE10234685A1 Filter circuit for converting symmetrical signals into unsymmetric signals and vice versa with symmetry component and filter stage formed on common substrate |
| 02/19/2004 | DE10233775A1 Process for dimensioning an adjuster in the sending arm of a cellular radio increases the efficiency of a filter between a power amplifier and a low pass filter |
| 02/18/2004 | CN1476167A Multiphase filter circuit |
| 02/17/2004 | US6693499 Compact lumped element ring balun layout |
| 02/12/2004 | WO2004013927A1 High frequency circuit |
| 02/12/2004 | WO2003030357A3 Broadband pin diode attenuator bias network |
| 02/12/2004 | US20040027215 Electromagnetic interference filter |
| 02/12/2004 | US20040027213 Surface acoustic wave filter, branching filter, and communication apparatus |
| 02/12/2004 | US20040027212 Inductor topologies and decoupling structures for filters used in broadband applications, and design methodology thereof |
| 02/12/2004 | US20040027209 Fixed matching network with increased match range capabilities |
| 02/12/2004 | US20040027204 High-frequency amplifier |