Patents
Patents for H03H 7 - Multiple-port networks comprising only passive electrical elements as network components (15,104)
09/2000
09/12/2000US6118985 High frequency switch device, front end unit and transceiver
09/12/2000US6118354 High frequency splitter
09/12/2000US6118350 Bus through termination circuit
09/06/2000EP1032974A1 Continuously adjustable resonator
09/06/2000EP1032958A1 Compact antenna feed circuits
09/05/2000US6115592 Filter device and dual-band radio system in which the filter device is used
09/05/2000US6115419 Adaptive digital beamforming receiver with π/2 phase shift to improve signal reception
09/05/2000US6115264 Multilayer high frequency electronic parts
09/05/2000US6115234 Multilayer microelectronic circuit with trimmable capacitors
09/05/2000US6114940 BALUN transformer core material, BALUN transformer core and BALUN transformer
09/05/2000US6114924 Dual core RF directional coupler
09/05/2000US6114877 Timing circuit utilizing a clock tree as a delay device
08/2000
08/31/2000WO2000051232A1 Filter structures for integrated circuit interfaces
08/31/2000WO2000051012A2 Integrated circuit interconnect system
08/30/2000EP1032071A1 Wideband balun for wireless and RF applications
08/30/2000EP0716784B1 Compact hybrid microwave choke
08/30/2000CN1265238A Multilayer ceramic RC device
08/29/2000US6111479 Laminate printed circuit board with a magnetic layer
08/29/2000US6111478 Filter with a switch having capacitance
08/29/2000US6111476 Non-contact coupling system
08/29/2000US6111465 Amplifying unit comprising an input transformer capable of contributing to a wider frequency band of a broadband amplifier
08/23/2000EP1030448A1 Saw filter, antenna sharing device using the same, and mobile communication terminal using the same
08/22/2000US6107898 Microwave channelized bandpass filter having two channels
08/22/2000US6107798 Tuning and matching an impedance
08/22/2000US6107228 Dielectric ceramic composition and ceramic electronic element using the same
08/22/2000US6106462 Ultrasonic diagnostic apparatus
08/22/2000CA2027885C Filter cell and filter therefor
08/15/2000US6104986 Continuously variable constant-attenuation phase shifter
08/15/2000US6104750 Method and apparatus for transmission line equalization
08/15/2000US6104259 Harmonic suppression circuit
08/15/2000US6104258 System and method for edge termination of parallel conductive planes in an electrical interconnecting apparatus
08/15/2000US6102741 Common mode filter connector with isolation
08/10/2000DE19904939A1 Passives Filter Passive filters
08/09/2000EP1026846A2 Passive filter for telecommunication networks
08/09/2000EP1025640A2 Integrated electronic circuit comprising an oscillator and passive circuit elements
08/08/2000US6100776 High-frequency composite transmission section with switch, LC filter, and notch filter
08/08/2000US6100773 Impedance matching device
08/08/2000US6100772 High frequency test balun with a capacitor across the output
08/08/2000US6100750 Frequency-independent voltage divider
08/08/2000US6100731 Frequency multiplier
08/03/2000WO2000045509A1 Tunable filter
08/02/2000EP1023771A1 Electrical impedance matching system and method
08/02/2000EP1023770A1 Surface mount lc filter with polymer layers
08/02/2000CN1261981A Integrated dual frequency noise attenuator
08/01/2000US6097349 Compact antenna feed circuits
08/01/2000US6097273 Thin-film monolithic coupled spiral balun transformer
08/01/2000US6097269 Electrically tunable band pass filter with symmetrical low-side and high-side protection
08/01/2000US6097268 Multilayer duplexer with no shielding electrodes
08/01/2000US6097262 Transmission line impedance matching apparatus
07/2000
07/27/2000DE19902865A1 Zero-IF-Konverter mit RC-Filter Zero-IF converter with RC filter
07/26/2000EP1022851A2 Zero IF converter with RC filter
07/25/2000US6094112 Surface mount filter device
07/25/2000US6094111 A layer of either a capacitor dielectric ceramic layer or a an inductor magnetic ceramic layer contains a glass having a softening point of <800 degrees c. based on oxides of group 1a, silicon oxide and bismuth oxide; noncracking
07/25/2000US6094110 RF choke with windings located at two different core diameters
07/25/2000US6094055 Calibrated high power radio frequency step attenuator
07/20/2000WO2000042703A1 Active differential to single-ended converter
07/20/2000CA2360397A1 Active differential to single-ended converter
07/19/2000EP1020027A1 Cmos differential voltage controlled logarithmic attenuator and method
07/19/2000CN1260636A Clutter rejection apparatus
07/18/2000US6091966 Dual-band, dual-mode power amplifier
07/18/2000US6091312 Semi-lumped bandstop filter
07/12/2000EP1018800A1 Local oscillation circuit
07/12/2000CN1260084A Continuously adjustable resonator
07/12/2000CN1259774A Insulation wave filter
07/06/2000WO2000039881A1 High-frequency circuit comprising circuit element having split terminal structure and circuit element having split terminal structure
07/04/2000US6084486 Controllable filter and high frequency apparatus using the same
07/04/2000US6084425 Apparatus for adjusting impedance of controlling chip on a computer mainboard
06/2000
06/29/2000WO2000038384A1 Adaptive, analogue equaliser, based on biquadratic filters
06/28/2000EP1014443A1 Passive electronic parts, ic parts, and wafer
06/28/2000CN1258373A Module and method of manufacture
06/27/2000US6081157 Tuning circuit
06/27/2000US6081151 Electronically controlled variable attenuator
06/22/2000WO2000036798A2 Network data filtering
06/21/2000EP1010243A1 A dual-band, dual-mode power amplifier
06/21/2000EP1010242A1 Tuning and matching an impedance
06/21/2000DE19851872A1 Tiefpaß für eine ADSL-Frequenzweiche Low-pass filter for ADSL crossover
06/21/2000CN2384370Y House power line high-frequency signal isolator
06/21/2000CN1053760C Electronic units and making method thereof
06/20/2000US6078784 Multi-tap radio frequency modulator
06/20/2000US6078117 End cap assembly and electrical motor utilizing same
06/15/2000WO2000035048A1 Balanced dipole antenna for mobile phones
06/15/2000WO1999056339A9 Microwave channelized bandpass filter having two channels
06/15/2000DE19959164A1 Electronic device for an integrated input/output circuit which combines a current switching circuit with a bus cabling system
06/15/2000DE19955849A1 Active aerial for radar system includes inductive components providing compensation for temperature variation
06/15/2000DE19955584A1 High frequency noise suppression structure for power cable of circuit board, has ground electrode formed to cover principle portions of conductive coil arranged between ferrite magnetic resin and electrodes
06/15/2000DE19924937A1 Impedance adapter for adapting impedance of high frequency generator coupled to resistor load, has coupled circuit with core, primary winding and control winding wound around core
06/15/2000CA2353927A1 Balanced dipole antenna for mobile phones
06/14/2000EP1008234A1 High temperature superconducting structures and methods for high q, reduced intermodulation structures
06/14/2000CN2383272Y Single-tuned filter with series coupling coil
06/13/2000US6075713 Laser trimmable electronic device
06/13/2000US6075427 MCM with high Q overlapping resonator
06/08/2000WO1999063623A9 Extended bandwidth dual-band patch antenna systems and associated methods of broadband operation
06/07/2000EP1006673A1 Load coil device
06/06/2000US6072999 Receiving apparatus
06/06/2000US6072981 Multi-tap distribution apparatus
06/03/2000CA2288954A1 Load coil device
06/02/2000WO2000031820A1 High frequency dielectric device
05/2000
05/31/2000CN1254984A Power supply filter
05/30/2000US6069541 High-frequency filter, with an inductor for forming a pole, complex electronic component using the same, and portable radio apparatus using the same
05/30/2000US6069538 Impedance stabilizing unit and high-frequency module using the unit