ES2252442T3 - Dispositivo fero-electrico, ajustable con bajas perdidas y metodo de carazterizacion. - Google Patents
Dispositivo fero-electrico, ajustable con bajas perdidas y metodo de carazterizacion.Info
- Publication number
- ES2252442T3 ES2252442T3 ES02718436T ES02718436T ES2252442T3 ES 2252442 T3 ES2252442 T3 ES 2252442T3 ES 02718436 T ES02718436 T ES 02718436T ES 02718436 T ES02718436 T ES 02718436T ES 2252442 T3 ES2252442 T3 ES 2252442T3
- Authority
- ES
- Spain
- Prior art keywords
- ferro
- electric
- losses
- capacitor
- adjustable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000012512 characterization method Methods 0.000 title description 6
- 239000003990 capacitor Substances 0.000 claims abstract description 150
- 229910052751 metal Inorganic materials 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 32
- 238000003780 insertion Methods 0.000 claims abstract description 18
- 230000037431 insertion Effects 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims description 46
- 239000010408 film Substances 0.000 claims description 42
- 239000000758 substrate Substances 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 26
- 229910052709 silver Inorganic materials 0.000 claims description 11
- 238000004088 simulation Methods 0.000 claims description 11
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 10
- 239000004332 silver Substances 0.000 claims description 10
- 229920001410 Microfiber Polymers 0.000 claims description 9
- 239000002305 electric material Substances 0.000 claims description 9
- 239000003658 microfiber Substances 0.000 claims description 9
- 239000010409 thin film Substances 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 claims 1
- 229910002113 barium titanate Inorganic materials 0.000 claims 1
- 230000008602 contraction Effects 0.000 claims 1
- 229910052712 strontium Inorganic materials 0.000 claims 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims 1
- 239000010410 layer Substances 0.000 description 44
- 238000012360 testing method Methods 0.000 description 38
- 238000005259 measurement Methods 0.000 description 29
- 238000004519 manufacturing process Methods 0.000 description 22
- 238000010168 coupling process Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 13
- 238000010998 test method Methods 0.000 description 13
- 230000008878 coupling Effects 0.000 description 12
- 238000005859 coupling reaction Methods 0.000 description 12
- 239000004020 conductor Substances 0.000 description 11
- 230000007246 mechanism Effects 0.000 description 10
- 230000010287 polarization Effects 0.000 description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 9
- 230000003746 surface roughness Effects 0.000 description 9
- 238000004891 communication Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 238000000691 measurement method Methods 0.000 description 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 6
- 239000000395 magnesium oxide Substances 0.000 description 6
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 5
- 239000003973 paint Substances 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 229910052594 sapphire Inorganic materials 0.000 description 3
- 239000010980 sapphire Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000411 inducer Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012804 iterative process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010944 silver (metal) Substances 0.000 description 1
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002887 superconductor Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
- H01G7/06—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture having a dielectric selected for the variation of its permittivity with applied voltage, i.e. ferroelectric capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/203—Strip line filters
- H01P1/20327—Electromagnetic interstage coupling
- H01P1/20336—Comb or interdigital filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/18—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
- H03B5/1841—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a strip line resonator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/191—Tuned amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/246—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection using electronic means
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
- H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
- H03L1/022—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/30—Circuits for homodyne or synchrodyne receivers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/111—Indexing scheme relating to amplifiers the amplifier being a dual or triple band amplifier, e.g. 900 and 1800 MHz, e.g. switched or not switched, simultaneously or not
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/294—Indexing scheme relating to amplifiers the amplifier being a low noise amplifier [LNA]
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/372—Noise reduction and elimination in amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/0123—Frequency selective two-port networks comprising distributed impedance elements together with lumped impedance elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/12—Bandpass or bandstop filters with adjustable bandwidth and fixed centre frequency
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Waveguide Aerials (AREA)
- Details Of Aerials (AREA)
- Filters And Equalizers (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Superheterodyne Receivers (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Ceramic Capacitors (AREA)
- Networks Using Active Elements (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Microwave Amplifiers (AREA)
- Transceivers (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Insulating Materials (AREA)
- Aerials With Secondary Devices (AREA)
- Spectrometry And Color Measurement (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Electronic Switches (AREA)
- Burglar Alarm Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
- Semiconductor Lasers (AREA)
Applications Claiming Priority (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28309301P | 2001-04-11 | 2001-04-11 | |
| US283093P | 2001-04-11 | ||
| US904631 | 2001-07-13 | ||
| US09/904,631 US6690251B2 (en) | 2001-04-11 | 2001-07-13 | Tunable ferro-electric filter |
| US09/912,753 US6639491B2 (en) | 2001-04-11 | 2001-07-24 | Tunable ferro-electric multiplexer |
| US912753 | 2001-07-24 | ||
| US927732 | 2001-08-08 | ||
| US09/927,732 US6690176B2 (en) | 2001-04-11 | 2001-08-08 | Low-loss tunable ferro-electric device and method of characterization |
| US09/927,136 US6825818B2 (en) | 2001-04-11 | 2001-08-10 | Tunable matching circuit |
| US927136 | 2001-08-10 | ||
| PCT/IB2002/001027 WO2002084310A1 (en) | 2001-04-11 | 2002-04-02 | Low-loss tunable ferro-electric device and method of characterization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2252442T3 true ES2252442T3 (es) | 2006-05-16 |
Family
ID=27540676
Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES02718436T Expired - Lifetime ES2252442T3 (es) | 2001-04-11 | 2002-04-02 | Dispositivo fero-electrico, ajustable con bajas perdidas y metodo de carazterizacion. |
| ES02722535T Expired - Lifetime ES2319106T3 (es) | 2001-04-11 | 2002-04-02 | Multiplexor sintonizable. |
| ES02722534T Expired - Lifetime ES2315361T3 (es) | 2001-04-11 | 2002-04-02 | Circuito de adaptacion ajustable. |
| ES02718438T Expired - Lifetime ES2287264T3 (es) | 2001-04-11 | 2002-04-04 | Antena ferroelectrica y metodo para sintonizarla. |
| ES02718443T Expired - Lifetime ES2314045T3 (es) | 2001-04-11 | 2002-04-08 | Oscilador controlado por tension y sintonizable. |
| ES02718445T Expired - Lifetime ES2265493T3 (es) | 2001-04-11 | 2002-04-09 | Antena ferroelectrica invertida en f. |
| ES02720351T Expired - Lifetime ES2269673T3 (es) | 2001-04-11 | 2002-04-10 | Variador de fase sintonizable y aplicaciones del mismo. |
Family Applications After (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES02722535T Expired - Lifetime ES2319106T3 (es) | 2001-04-11 | 2002-04-02 | Multiplexor sintonizable. |
| ES02722534T Expired - Lifetime ES2315361T3 (es) | 2001-04-11 | 2002-04-02 | Circuito de adaptacion ajustable. |
| ES02718438T Expired - Lifetime ES2287264T3 (es) | 2001-04-11 | 2002-04-04 | Antena ferroelectrica y metodo para sintonizarla. |
| ES02718443T Expired - Lifetime ES2314045T3 (es) | 2001-04-11 | 2002-04-08 | Oscilador controlado por tension y sintonizable. |
| ES02718445T Expired - Lifetime ES2265493T3 (es) | 2001-04-11 | 2002-04-09 | Antena ferroelectrica invertida en f. |
| ES02720351T Expired - Lifetime ES2269673T3 (es) | 2001-04-11 | 2002-04-10 | Variador de fase sintonizable y aplicaciones del mismo. |
Country Status (7)
| Country | Link |
|---|---|
| EP (8) | EP1377839B1 (enExample) |
| JP (22) | JP4077322B2 (enExample) |
| CN (5) | CN1294673C (enExample) |
| AT (8) | ATE405986T1 (enExample) |
| DE (8) | DE60207697T2 (enExample) |
| ES (7) | ES2252442T3 (enExample) |
| WO (10) | WO2002087082A1 (enExample) |
Families Citing this family (82)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7221243B2 (en) | 2001-04-11 | 2007-05-22 | Kyocera Wireless Corp. | Apparatus and method for combining electrical signals |
| US7154440B2 (en) | 2001-04-11 | 2006-12-26 | Kyocera Wireless Corp. | Phase array antenna using a constant-gain phase shifter |
| US7394430B2 (en) | 2001-04-11 | 2008-07-01 | Kyocera Wireless Corp. | Wireless device reconfigurable radiation desensitivity bracket systems and methods |
| US7174147B2 (en) | 2001-04-11 | 2007-02-06 | Kyocera Wireless Corp. | Bandpass filter with tunable resonator |
| US7164329B2 (en) | 2001-04-11 | 2007-01-16 | Kyocera Wireless Corp. | Tunable phase shifer with a control signal generator responsive to DC offset in a mixed signal |
| US6690251B2 (en) | 2001-04-11 | 2004-02-10 | Kyocera Wireless Corporation | Tunable ferro-electric filter |
| US7071776B2 (en) | 2001-10-22 | 2006-07-04 | Kyocera Wireless Corp. | Systems and methods for controlling output power in a communication device |
| US7184727B2 (en) | 2002-02-12 | 2007-02-27 | Kyocera Wireless Corp. | Full-duplex antenna system and method |
| US7176845B2 (en) | 2002-02-12 | 2007-02-13 | Kyocera Wireless Corp. | System and method for impedance matching an antenna to sub-bands in a communication band |
| US7180467B2 (en) | 2002-02-12 | 2007-02-20 | Kyocera Wireless Corp. | System and method for dual-band antenna matching |
| DE10316719B4 (de) | 2003-04-11 | 2018-08-02 | Snaptrack, Inc. | Frontendschaltung fĆ¼r drahtlose Ćbertragungssysteme |
| US7030463B1 (en) | 2003-10-01 | 2006-04-18 | University Of Dayton | Tuneable electromagnetic bandgap structures based on high resistivity silicon substrates |
| JP2005236389A (ja) * | 2004-02-17 | 2005-09-02 | Kyocera Corp | ć¢ć¬ć¼ć¢ć³ććććć³ćććēØććē”ē·éäæ”č£ ē½® |
| US7248845B2 (en) | 2004-07-09 | 2007-07-24 | Kyocera Wireless Corp. | Variable-loss transmitter and method of operation |
| CA2582322C (en) * | 2004-10-11 | 2013-12-10 | Spartak Gevorgian | A varactor device with reduced temperature dependence |
| US8229366B2 (en) | 2005-04-08 | 2012-07-24 | Qualcomm, Incorporated | Tunable duplexer with common node notch filter |
| US20060274476A1 (en) * | 2005-04-13 | 2006-12-07 | Andrew Cervin-Lawry | Low loss thin film capacitor and methods of manufacturing the same |
| JP4530951B2 (ja) * | 2005-08-29 | 2010-08-25 | äŗ¬ć»ć©ę Ŗå¼ä¼ē¤¾ | čŖé»å®ę°ęø¬å®ę¹ę³åć³äø”ē«Æéę¾å½¢åę³¢é·ć³ćć¬ćć¼ć©ć¤ć³å ±ęÆåØ |
| DE102005044856A1 (de) * | 2005-09-13 | 2007-03-22 | IHP GmbH - Innovations for High Performance Microelectronics/Institut fĆ¼r innovative Mikroelektronik | Verringerte Ćbersprache zwischen benachbarten Frequenzbereichen in einem elektronischen Bauelement mit einem VerstƤrker oder Mischer und abstimmbarer Impedenzanpassung |
| KR101651382B1 (ko) * | 2005-11-18 | 2016-08-25 | ė ģ ėķø ģøķ¬. | ģ ģģ¤ģ ķėėø ė¬“ģ ģ£¼ķģ ķķ° |
| JP4838572B2 (ja) | 2005-11-24 | 2011-12-14 | ę Ŗå¼ä¼ē¤¾ćØćć»ćć£ć»ćć£ć»ćć³ć¢ | å®å®ååč·Æććć«ććć³ćå¢å¹ åč·Æ |
| US7548762B2 (en) | 2005-11-30 | 2009-06-16 | Kyocera Corporation | Method for tuning a GPS antenna matching network |
| JP4621155B2 (ja) * | 2006-02-28 | 2011-01-26 | ę Ŗå¼ä¼ē¤¾ćØćć»ćć£ć»ćć£ć»ćć³ć¢ | åÆå¤ćć£ć«ćæ |
| WO2007145114A1 (ja) | 2006-06-12 | 2007-12-21 | Murata Manufacturing Co., Ltd. | č”Øé¢å®č£ åć¢ć³ććććć³ć¢ć³ććč£ ē½® |
| US7893879B2 (en) | 2006-09-21 | 2011-02-22 | Mitsumi Electric Co., Ltd. | Antenna apparatus |
| JP4731515B2 (ja) * | 2007-03-29 | 2011-07-27 | åÆ士éę Ŗå¼ä¼ē¤¾ | ćć„ć¼ććć«ćć£ć«ćæććć³ćć®ä½č£½ę¹ę³ |
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