IN148537B - - Google Patents
Info
- Publication number
- IN148537B IN148537B IN1540/CAL/77A IN1540CA1977A IN148537B IN 148537 B IN148537 B IN 148537B IN 1540CA1977 A IN1540CA1977 A IN 1540CA1977A IN 148537 B IN148537 B IN 148537B
- Authority
- IN
- India
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/005—Helical resonators; Spiral resonators
-
- 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
-
- 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
- H03H7/17—Structural details of sub-circuits of frequency selective networks
- H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
- H03H7/1791—Combined LC in shunt or branch path
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT30456/76A IT1074089B (it) | 1976-12-16 | 1976-12-16 | Filtro passa-reiettabanda per sistemi di telecomunicazioni |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN148537B true IN148537B (es) | 1981-03-28 |
Family
ID=11229774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN1540/CAL/77A IN148537B (es) | 1976-12-16 | 1977-10-27 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4182997A (es) |
| AU (1) | AU515523B2 (es) |
| BR (1) | BR7708131A (es) |
| DE (1) | DE2756019A1 (es) |
| IN (1) | IN148537B (es) |
| IT (1) | IT1074089B (es) |
| MX (1) | MX143376A (es) |
| NZ (1) | NZ185985A (es) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54151351A (en) * | 1978-04-24 | 1979-11-28 | Nec Corp | Dielectric resonator |
| US4334203A (en) * | 1980-04-09 | 1982-06-08 | Broadcast Electronics, Inc. | Second harmonic suppressor for power amplifier tank circuit |
| US4433315A (en) * | 1981-11-24 | 1984-02-21 | General Electric Company | Tunable coupling network |
| US4445100A (en) * | 1982-01-28 | 1984-04-24 | Electronics, Missiles & Communications, Inc. | Coupling block assembly with band-reject filter |
| US4679001A (en) * | 1985-10-11 | 1987-07-07 | International Business Machines Corporation | Adaptive stop-notch filter |
| JPH073681Y2 (ja) * | 1989-06-16 | 1995-01-30 | 東光株式会社 | ヘリカルフィルタ |
| US5032807A (en) * | 1989-07-10 | 1991-07-16 | General Instrument Corporation | Notch filter using helical transmission line and coaxial capacitor |
| FI110148B (fi) * | 1993-09-10 | 2002-11-29 | Filtronic Lk Oy | Useita resonaattoreita käsittävä radiotaajuussuodatin |
| FI95851C (fi) * | 1993-09-10 | 1996-03-25 | Lk Products Oy | Siirtojohtoresonaattorin sähköinen taajuudensäätökytkentä sekä säädettävä suodatin |
| DE19509644A1 (de) * | 1995-03-17 | 1996-09-19 | Thomson Brandt Gmbh | Filterschaltung |
| FI97922C (fi) * | 1995-03-22 | 1997-03-10 | Lk Products Oy | Esto/päästö-suhteeltaan parannettu suodatin |
| US7327406B2 (en) * | 2001-10-16 | 2008-02-05 | Rfstream Corporation | Methods and apparatus for implementing a receiver on a monolithic integrated circuit |
| FR2835092B1 (fr) * | 2002-01-23 | 2004-03-05 | Bruker Biospin Sa | Module de filtre de type l-c et filtre helicoidal compose d'au moins deux tels modules |
| US7446631B2 (en) * | 2005-03-11 | 2008-11-04 | Rf Stream Corporation | Radio frequency inductive-capacitive filter circuit topology |
| JP2008533839A (ja) * | 2005-03-11 | 2008-08-21 | 株式会社ＲｆＳｔｒｅａｍ | 広帯域同調回路 |
| JP6084030B2 (ja) * | 2012-12-27 | 2017-02-22 | ルネサスエレクトロニクス株式会社 | 半導体装置およびフィルタ回路の調整方法 |
| CN107833750A (zh) * | 2017-10-17 | 2018-03-23 | 长兴蓝天电子有限公司 | 一种高可靠性电动汽车充电桩谐振滤波电容器 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL49884C (es) * | 1937-05-17 | |||
| US2969460A (en) * | 1957-10-14 | 1961-01-24 | Collins Radio Co | Adjustable high-frequency tuning unit |
| US3293644A (en) * | 1964-07-13 | 1966-12-20 | Motorola Inc | Wave trap system for duplex operation from a single antenna |
| US3733608A (en) * | 1971-12-09 | 1973-05-15 | Motorola Inc | Circuit for coupling radio receiver and radio transmitter to a common antenna for duplex operation |
-
1976
- 1976-12-16 IT IT30456/76A patent/IT1074089B/it active
-
1977
- 1977-10-26 MX MX171102A patent/MX143376A/es unknown
- 1977-10-27 IN IN1540/CAL/77A patent/IN148537B/en unknown
- 1977-11-23 AU AU30903/77A patent/AU515523B2/en not_active Expired
- 1977-12-07 BR BR7708131A patent/BR7708131A/pt unknown
- 1977-12-15 DE DE19772756019 patent/DE2756019A1/de not_active Withdrawn
- 1977-12-15 NZ NZ185985A patent/NZ185985A/xx unknown
- 1977-12-15 US US05/860,835 patent/US4182997A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| IT1074089B (it) | 1985-04-17 |
| AU515523B2 (en) | 1981-04-09 |
| NZ185985A (en) | 1981-04-24 |
| AU3090377A (en) | 1979-05-31 |
| BR7708131A (pt) | 1978-09-05 |
| MX143376A (es) | 1981-04-27 |
| US4182997A (en) | 1980-01-08 |
| DE2756019A1 (de) | 1978-06-29 |