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)
12/2000
12/19/2000US6163222 Buffer amplifier with frequency selective mechanism
12/13/2000EP1059688A2 Radio communication apparatus with retractable antenna and its impedance matching method
12/13/2000EP1058964A2 Low-pass filter for a diplexer
12/12/2000US6160506 Low-noise sigma-delta analog-to-digital converter
12/12/2000US6160461 Multilayer noise filter including integral damping resistor
12/07/2000WO2000074142A1 Multiple level spiral inductors used to form a filter in a printed circuit board
12/06/2000EP1058405A2 Cellular mobile telephone terminal
12/06/2000EP1058334A2 Frequency band variable filter, duplexer, and communication apparatus
12/06/2000EP1058333A2 Duplexer and communication apparatus
12/06/2000EP1057247A1 Ac power converter
12/06/2000CN1275874A Cellular mobile telephone terminal
12/05/2000US6157273 Rotatable directional coupler with a tap plate
11/2000
11/30/2000WO2000072457A1 Antenna interface
11/30/2000WO2000072442A1 Integrated electronic circuit comprising an electronic component and a delay element which has a twisted-pair conductor line structure
11/30/2000WO2000038384A9 Adaptive, analogue equaliser, based on biquadratic filters
11/30/2000CA2371945A1 Antenna interface
11/29/2000EP1056200A1 Impedance matching circuit for amplifier
11/23/2000WO2000070912A1 Novel signal processing system and method thereof
11/23/2000WO2000070757A1 Enhanced lc filter with tunable q
11/22/2000CN1274196A Chip-type resonator and filter for SMT
11/21/2000US6150901 Programmable RF/IF bandpass filter utilizing MEM devices
11/21/2000US6150896 Coupling device connecting an unbalanced signal line to a balanced signal line
11/21/2000US6150852 Active differential to single-ended converter
11/16/2000DE19921438A1 Superimposition stage for HF receiver has resistance with value of system impedance between band separator, IF filter, connected to resonant element tuned to intermediate frequency
11/15/2000EP1051769A1 High frequency dielectric device
11/14/2000US6148189 AGC circuit arrangement for a tuner
11/14/2000US6147653 Balanced dipole antenna for mobile phones
11/14/2000US6147573 Multilayer electronic part with planar terminal electrodes
11/14/2000US6147571 Dual-band multilayer bandpass filter
11/14/2000US6147520 Integrated circuit having controlled impedance
11/09/2000WO2000067373A1 Energy transfer in an electronic identification system
11/09/2000WO2000065994A1 Lead set filter for a patient monitor
11/09/2000DE19919901A1 Signalübertragungsschaltung Signal transmission circuit
11/09/2000DE10012118A1 High frequency circuit apparatus e.g. for filter, has slits in electrodes opposing capacitance element for reducing eddy current loss
11/09/2000CA2372609A1 Energy transfer in an electronic identification system
11/09/2000CA2372086A1 Lead set filter for a patient monitor
11/08/2000EP1050975A1 Transmission network and filter therefor
11/08/2000EP1050960A2 Laminated LC filter
11/08/2000EP1050959A2 Laminated LC filter
11/08/2000EP1050958A2 Stacked LC filter
11/08/2000EP1050924A2 EMI energy absorber
11/08/2000EP1050164A1 Catv power inserter
11/08/2000EP1050163A1 Catv passive component with rf splitter and power adding/removal port
11/08/2000EP1050093A1 Paired multi-layered dielectric independent passive component architecture resulting in differential and common mode filtering with surge protection in one integrated package
11/08/2000EP1050092A1 Power conditioning circuit
11/08/2000CN2405380Y Single stage filtering type synthesized common mode/different mode choke
11/07/2000US6144706 Distortion compensation circuit
11/07/2000US6144269 Noise-cut LC filter for power converter with overlapping aligned coil patterns
11/07/2000US6144265 Calibrated high power radio frequency step attenuator
11/07/2000US6144260 Amplifier
11/02/2000WO2000065740A1 Energy conditioning circuit assembly
11/02/2000WO2000065714A1 Integrated electronic circuit comprising an electronic component and a delay element which is connected to the component
11/02/2000EP1049267A1 Signal transmitting circuit
11/02/2000DE19918093A1 Filter module for three phase currents, has several phase modules each including capacitive and inductive elements
11/02/2000DE10019461A1 Suppression filter for semiconductor switching static converter or inverter, has combined choke and capacitor arrangement
11/01/2000CN1272247A Dual-band dual-mode power amplifier
11/01/2000CN1271997A Noise inhibiting wave filter
11/01/2000CN1271976A Wideband balance-unbalance transducer used on radio and radio frequency application
11/01/2000CN1058118C Signal controlled phase shifter
10/2000
10/31/2000US6140889 High-frequency signal splitter
10/31/2000US6140887 Wide band directional coupler
10/31/2000US6140886 Wideband balun for wireless and RF application
10/31/2000CA2245803C Impedance regulator system and method
10/24/2000US6137832 Adaptive equalizer
10/24/2000US6137831 Method and apparatus for reducing receiver imposed distortion
10/24/2000US6137378 Electrical signal phase compensator having three parallel conductors of differing lengths
10/24/2000US6137376 Printed BALUN circuits
10/24/2000US6137365 Variable-gain amplifier circuit and attenuator circuit
10/24/2000US6137353 Linearized integrated FM demodulator using a plurality of cascaded all-pass filters or a bessel filter
10/19/2000WO2000062420A1 Rf transformer with compensation transmission line
10/19/2000WO2000036798A3 Network data filtering
10/18/2000CN1270711A Electrical impedance matching system and method
10/17/2000US6133809 LC filter with a parallel ground electrode
10/17/2000CA2058146C Method for fine tuning the resonant frequency of a filter in a combiner
10/12/2000WO2000060694A1 A balun for coaxial cable transmission
10/12/2000WO2000060693A1 Microstrip cross-coupling control apparatus and method
10/12/2000DE19915649A1 Impedanz-Transformator für einen Gegentakt-Verstärker eines Kurz- oder Ultrakurzwellen-Senders Impedance transformer for a push-pull amplifier of a short or ultra-short wave transmitter
10/12/2000CA2365012A1 Microstrip cross-coupling control apparatus and method
10/11/2000EP1043741A2 Voltage dependant thin film capacitor
10/11/2000EP1043736A1 Transformer assembly for push-pull amplifier of short or ultrashort wave transmitter
10/11/2000EP1042843A1 Rf three-way combiner/splitter
10/10/2000US6130590 Programmable filter bank having notch filter and bandpass filter frequency responses
10/10/2000US6130589 Matching circuit and a method for matching a transistor circuit
10/10/2000CA2225855C High-frequency amplifier
10/05/2000WO2000058992A1 Plasma processing method and apparatus with control of rf bias
10/05/2000DE19915247A1 Spannungsabhängiger Dünnschichtkondensator Voltage-dependent thin film capacitor
10/04/2000EP1041632A1 A compensation structure for a bond wire at high frequency operation
10/04/2000EP1040574A1 Artificial line
10/04/2000EP1040573A1 Filter arrangement
10/04/2000EP1040565A2 Linearized integrated frequency demodulator
10/03/2000US6127906 Modular thin film distributed filter
09/2000
09/28/2000WO2000057547A1 Assembly of an impedance transformer and a balun transformer
09/28/2000WO2000057515A1 High-pass filter
09/27/2000EP0870317B1 Apparatus for controlling matching network of a vacuum plasma processor and memory for same
09/26/2000CA2238299C A filter co-processor
09/20/2000EP1037308A1 Electric filter for filtering low frequencies
09/17/2000CA2300726A1 Signal processing circuit for a digital signal receiving system
09/13/2000EP1035647A1 Two-frequency impedance matching circuit
09/13/2000EP1034617A1 Broadband phase-shifting circuit
09/13/2000CN1266552A Electrical component assemblies and methods of making same
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