DE60140261D1 - Verbesserte verfahren und vorrichtung zur auf- und abwärtsumsetzung von hochfrequenzsignalen (rf) - Google Patents
Verbesserte verfahren und vorrichtung zur auf- und abwärtsumsetzung von hochfrequenzsignalen (rf)Info
- Publication number
- DE60140261D1 DE60140261D1 DE60140261T DE60140261T DE60140261D1 DE 60140261 D1 DE60140261 D1 DE 60140261D1 DE 60140261 T DE60140261 T DE 60140261T DE 60140261 T DE60140261 T DE 60140261T DE 60140261 D1 DE60140261 D1 DE 60140261D1
- Authority
- DE
- Germany
- Prior art keywords
- phi
- signal
- mixing
- frequency
- power
- 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
- 238000000034 method Methods 0.000 title abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 230000000295 complement effect Effects 0.000 abstract 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
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
-
- 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
- H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
-
- 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
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
- H04B1/1036—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal with automatic suppression of narrow band noise or interference, e.g. by using tuneable notch filters
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
- Radar Systems Or Details Thereof (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CA2000/000996 WO2001017122A1 (en) | 1999-09-01 | 2000-09-01 | Improved method and apparatus for up- and down-conversion of radio frequency (rf) signals |
| PCT/CA2000/000994 WO2001017120A2 (en) | 1999-09-01 | 2000-09-01 | Freqency translator using a non-periodic local oscillator signal |
| PCT/CA2000/000995 WO2001017121A1 (en) | 1999-09-01 | 2000-09-01 | Improved method and apparatus for up-conversion of radio frequency (rf) signals |
| PCT/CA2001/000876 WO2002019548A2 (en) | 2000-09-01 | 2001-06-19 | Improved method and apparatus for up- and down- conversion of radio frequency (rf) signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE60140261D1 true DE60140261D1 (de) | 2009-12-03 |
Family
ID=27168651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60140261T Expired - Lifetime DE60140261D1 (de) | 2000-09-01 | 2001-06-19 | Verbesserte verfahren und vorrichtung zur auf- und abwärtsumsetzung von hochfrequenzsignalen (rf) |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1314255B1 (de) |
| AT (1) | ATE446613T1 (de) |
| AU (1) | AU2001267222A1 (de) |
| CA (1) | CA2421173A1 (de) |
| DE (1) | DE60140261D1 (de) |
| WO (1) | WO2002019548A2 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2375291C (en) * | 2002-03-08 | 2005-05-17 | Sirific Wireless Corporation | Generation of virtual local oscillator inputs for use in direct conversion radio systems |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2627586C3 (de) * | 1976-06-19 | 1980-03-13 | Carl Schenck Ag, 6100 Darmstadt | Verfahren und Schaltungsanordnung zur Multiplikation von elektrischen Wechselspannungssignalen |
| US5390346A (en) * | 1994-01-21 | 1995-02-14 | General Instrument Corporation Of Delaware | Small frequency step up or down converters using large frequency step synthesizers |
| AU2909795A (en) * | 1994-06-29 | 1996-01-25 | Honeywell Inc. | Spurious response rejecting mixer using spread spectrum techniques |
| JP2737655B2 (ja) * | 1994-07-12 | 1998-04-08 | 双葉電子工業株式会社 | スペクトル拡散通信方式 |
| US5956345A (en) * | 1996-09-13 | 1999-09-21 | Lucent Technologies Inc. | IS-95 compatible wideband communication scheme |
| JP3651154B2 (ja) * | 1996-12-27 | 2005-05-25 | ソニー株式会社 | Pn符号発生回路及び無線システムの端末装置 |
| KR100264862B1 (ko) * | 1997-07-31 | 2000-09-01 | 윤종용 | 대역확산에따른직교부호도약다중접속방식통신시스템의송수신장치및그방법 |
| CN1211969C (zh) * | 1997-09-13 | 2005-07-20 | 三星电子株式会社 | 用于双正交码跳变多址通信系统的设备和方法 |
| DE69821751T2 (de) * | 1998-07-30 | 2004-11-25 | Motorola Semiconducteurs S.A. | Verfahren und Gerät zur Funkübertragung |
-
2001
- 2001-06-19 WO PCT/CA2001/000876 patent/WO2002019548A2/en not_active Ceased
- 2001-06-19 EP EP01944827A patent/EP1314255B1/de not_active Expired - Lifetime
- 2001-06-19 AT AT01944827T patent/ATE446613T1/de not_active IP Right Cessation
- 2001-06-19 AU AU2001267222A patent/AU2001267222A1/en not_active Abandoned
- 2001-06-19 CA CA002421173A patent/CA2421173A1/en not_active Abandoned
- 2001-06-19 DE DE60140261T patent/DE60140261D1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002019548A2 (en) | 2002-03-07 |
| CA2421173A1 (en) | 2002-03-07 |
| EP1314255A2 (de) | 2003-05-28 |
| AU2001267222A1 (en) | 2002-03-13 |
| ATE446613T1 (de) | 2009-11-15 |
| WO2002019548A3 (en) | 2002-12-27 |
| EP1314255B1 (de) | 2009-10-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |