DE3684775D1 - Harmonischer einseitenband-frequenzumsetzer insbesondere fuer hochfrequenzsende- und empfangssysteme. - Google Patents
Harmonischer einseitenband-frequenzumsetzer insbesondere fuer hochfrequenzsende- und empfangssysteme.Info
- Publication number
- DE3684775D1 DE3684775D1 DE8686202174T DE3684775T DE3684775D1 DE 3684775 D1 DE3684775 D1 DE 3684775D1 DE 8686202174 T DE8686202174 T DE 8686202174T DE 3684775 T DE3684775 T DE 3684775T DE 3684775 D1 DE3684775 D1 DE 3684775D1
- Authority
- DE
- Germany
- Prior art keywords
- receiving systems
- sand band
- frequency converter
- band frequency
- frequency transmitter
- 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
- 239000004576 sand Substances 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
- H03C1/60—Modulators in which carrier or one sideband is wholly or partially suppressed with one sideband wholly or partially suppressed
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
- H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/18—Modifications of frequency-changers for eliminating image frequencies
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
- Filters And Equalizers (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Networks Using Active Elements (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8523404A IT1215323B (it) | 1985-12-30 | 1985-12-30 | Particolarmente per sistemi di convertitore armonico di frequenza ricetrasmissione ad alta frequenza. a banda laterale unica, |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3684775D1 true DE3684775D1 (de) | 1992-05-14 |
Family
ID=11206787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686202174T Expired - Lifetime DE3684775D1 (de) | 1985-12-30 | 1986-12-04 | Harmonischer einseitenband-frequenzumsetzer insbesondere fuer hochfrequenzsende- und empfangssysteme. |
Country Status (9)
Country | Link |
---|---|
US (1) | US4817201A (de) |
EP (1) | EP0231541B1 (de) |
JP (1) | JPH0738537B2 (de) |
CN (1) | CN1009518B (de) |
AU (1) | AU591949B2 (de) |
DE (1) | DE3684775D1 (de) |
IT (1) | IT1215323B (de) |
NO (1) | NO169687C (de) |
ZA (1) | ZA869734B (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1233437B (it) * | 1987-12-24 | 1992-03-31 | Gte Telecom Spa | Perfezionamento a un convertitore armonico di frequenza a soppressione di immagine operante nel campo delle microonde. |
US5001773A (en) * | 1988-06-20 | 1991-03-19 | Hughes Aircraft Company | Local oscillator feedthru cancellation circuit |
US4896374A (en) * | 1988-12-09 | 1990-01-23 | Siemens Aktiengesellschaft | Broadband monolithic balanced mixer apparatus |
US4955079A (en) * | 1989-09-29 | 1990-09-04 | Raytheon Company | Waveguide excited enhancement and inherent rejection of interference in a subharmonic mixer |
US5493720A (en) * | 1994-05-20 | 1996-02-20 | Steinbrecher Corporation | High-intercept bandlimited mixer |
US5416449A (en) * | 1994-05-23 | 1995-05-16 | Synergy Microwave Corporation | Modulator with harmonic mixers |
US6191724B1 (en) | 1999-01-28 | 2001-02-20 | Mcewan Thomas E. | Short pulse microwave transceiver |
US6414627B1 (en) | 1999-10-12 | 2002-07-02 | Mcewan Technologies, Llc | Homodyne swept-range radar |
US6745019B1 (en) * | 2000-02-15 | 2004-06-01 | Nera A.S.A. | Process and system for reducing leakage of local oscillator |
US7068788B2 (en) * | 2001-01-04 | 2006-06-27 | Maxim Integrated Products, Inc. | Data encryption for suppression of data-related in-band harmonics in digital to analog converters |
US8331896B2 (en) | 2009-07-10 | 2012-12-11 | Theta S.A. | Method of operation of a passive high-frequency image reject mixer |
WO2011004256A1 (en) * | 2009-07-10 | 2011-01-13 | Theta S.A. | Method of operation of a passive high-frequency image reject mixer |
US9400322B2 (en) | 2013-11-12 | 2016-07-26 | Raytheon Company | Methods and apparatus for signal sideband receiver/transceiver for phased array radar antenna |
CN107241064B (zh) * | 2017-05-22 | 2020-12-01 | 中国电子科技集团公司第四十一研究所 | 一种顶底功率可精密调节的非归零脉冲信号产生方法 |
CN110233323A (zh) * | 2019-02-28 | 2019-09-13 | 中国电子科技集团公司第十三研究所 | 用于承受1000W的3dB Lange耦合器及制备方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2248250A (en) * | 1939-09-21 | 1941-07-08 | Bell Telephone Labor Inc | Single side-band modulation |
US2872647A (en) * | 1955-06-13 | 1959-02-03 | Lee D Smith | Microwave single-sideband modulator |
US3029396A (en) * | 1955-12-09 | 1962-04-10 | Itt | Sideband generator |
US3041452A (en) * | 1960-10-13 | 1962-06-26 | Univ Ohio State Res Found | Tunnel diode frequency conversion circuit |
US3233194A (en) * | 1962-03-08 | 1966-02-01 | Alford Andrew | Single sideboard suppressed carrier modulators |
NL6700436A (de) * | 1966-01-28 | 1967-07-31 | ||
US3515993A (en) * | 1967-10-24 | 1970-06-02 | Us Army | Quadruple-balance mixer |
DE1812957A1 (de) * | 1967-12-05 | 1969-08-21 | Tracor | Filterloser Einseitenbandempfaenger |
US3681697A (en) * | 1969-12-31 | 1972-08-01 | Westinghouse Electric Corp | Wideband image terminated mixer |
DE2608939C3 (de) * | 1976-03-04 | 1982-02-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Mischer |
US4245355A (en) * | 1979-08-08 | 1981-01-13 | Eaton Corporation | Microwave frequency converter |
JPS5679504A (en) * | 1979-12-03 | 1981-06-30 | Nec Corp | Frequency converter |
JPS57107617A (en) * | 1980-12-25 | 1982-07-05 | Fujitsu Ltd | Frequency converter |
EP0059819B1 (de) * | 1981-03-09 | 1984-07-18 | GebràDer Sulzer Aktiengesellschaft | Vorrichtung zur Messung von fadenförmigem Material z.B. bei einer Webmaschine |
JPS57193106A (en) * | 1981-05-23 | 1982-11-27 | Nec Corp | Image cancellation type frequency converter |
FR2515449B1 (fr) * | 1981-10-23 | 1986-08-14 | Thomson Csf | Dispositif melangeur subharmonique hyperfrequence et systeme hyperfrequence utilisant un tel dispositif |
FR2520565B1 (fr) * | 1982-01-26 | 1986-04-11 | Thomson Csf | Dispositif de modulation, pour chaine de modulation de type a bande laterale unique |
US4603435A (en) * | 1984-08-20 | 1986-07-29 | Gte Laboratories Incorporated | Microwave mixer apparatus |
-
1985
- 1985-12-30 IT IT8523404A patent/IT1215323B/it active
-
1986
- 1986-11-06 US US06/927,486 patent/US4817201A/en not_active Expired - Lifetime
- 1986-12-04 DE DE8686202174T patent/DE3684775D1/de not_active Expired - Lifetime
- 1986-12-04 EP EP86202174A patent/EP0231541B1/de not_active Expired - Lifetime
- 1986-12-05 AU AU66152/86A patent/AU591949B2/en not_active Ceased
- 1986-12-23 NO NO865264A patent/NO169687C/no unknown
- 1986-12-26 JP JP61308943A patent/JPH0738537B2/ja not_active Expired - Fee Related
- 1986-12-29 ZA ZA869734A patent/ZA869734B/xx unknown
- 1986-12-29 CN CN86108884A patent/CN1009518B/zh not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4817201A (en) | 1989-03-28 |
JPS62176310A (ja) | 1987-08-03 |
EP0231541A1 (de) | 1987-08-12 |
CN1009518B (zh) | 1990-09-05 |
ZA869734B (en) | 1987-08-26 |
NO169687B (no) | 1992-04-13 |
AU6615286A (en) | 1987-07-02 |
CN86108884A (zh) | 1987-06-24 |
NO865264D0 (no) | 1986-12-23 |
NO169687C (no) | 1992-07-22 |
JPH0738537B2 (ja) | 1995-04-26 |
IT1215323B (it) | 1990-01-31 |
EP0231541B1 (de) | 1992-04-08 |
AU591949B2 (en) | 1989-12-21 |
NO865264L (no) | 1987-07-01 |
IT8523404A0 (it) | 1985-12-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |