CA2331430C - Demodulation structure and method - Google Patents
Demodulation structure and method Download PDFInfo
- Publication number
- CA2331430C CA2331430C CA002331430A CA2331430A CA2331430C CA 2331430 C CA2331430 C CA 2331430C CA 002331430 A CA002331430 A CA 002331430A CA 2331430 A CA2331430 A CA 2331430A CA 2331430 C CA2331430 C CA 2331430C
- Authority
- CA
- Canada
- Prior art keywords
- signal
- local oscillator
- modulated
- digitally modulated
- digital
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 230000010363 phase shift Effects 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 7
- 238000005070 sampling Methods 0.000 description 6
- 238000004088 simulation Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- MNIPYSSQXLZQLJ-UHFFFAOYSA-N Biofenac Chemical compound OC(=O)COC(=O)CC1=CC=CC=C1NC1=C(Cl)C=CC=C1Cl MNIPYSSQXLZQLJ-UHFFFAOYSA-N 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
- H03D3/009—Compensating quadrature phase or amplitude imbalances
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP00101381A EP1120899B1 (en) | 2000-01-24 | 2000-01-24 | Demodulation structure and method |
| EP00101381.2 | 2000-01-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2331430A1 CA2331430A1 (en) | 2001-07-24 |
| CA2331430C true CA2331430C (en) | 2009-08-18 |
Family
ID=8167693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002331430A Expired - Fee Related CA2331430C (en) | 2000-01-24 | 2001-01-18 | Demodulation structure and method |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6724246B2 (cg-RX-API-DMAC7.html) |
| EP (1) | EP1120899B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JP4738604B2 (cg-RX-API-DMAC7.html) |
| CA (1) | CA2331430C (cg-RX-API-DMAC7.html) |
| DE (1) | DE60005291T2 (cg-RX-API-DMAC7.html) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1705852B1 (en) | 1999-01-08 | 2010-02-10 | Sony Deutschland Gmbh | Synchronisation symbol structure for OFDM system |
| US6675003B1 (en) * | 2000-12-07 | 2004-01-06 | Sirf Technology, Inc. | L1/L2 GPS receiver |
| US20020118773A1 (en) * | 2001-02-26 | 2002-08-29 | Minasi David H. | System and method providing single channel in-phase and quadrature-phase generation |
| JP4048208B2 (ja) * | 2005-07-22 | 2008-02-20 | 株式会社半導体理工学研究センター | バンドパスδσａｄ変調器及びデジタル無線受信機 |
| US8639206B1 (en) * | 2012-10-05 | 2014-01-28 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for quadrature mixer circuits |
| FR3033108B1 (fr) * | 2015-02-25 | 2018-03-23 | Continental Automotive France | Selecteur de canal pour un recepteur radiofrequence |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4992736A (en) * | 1989-08-04 | 1991-02-12 | General Electric Company | Radio frequency receiver for a NMR instrument |
| GB2244410B (en) * | 1990-05-25 | 1994-08-31 | Technophone Ltd | Quadrature demodulator |
| US5162763A (en) * | 1991-11-18 | 1992-11-10 | Morris Keith D | Single sideband modulator for translating baseband signals to radio frequency in single stage |
| JP3362427B2 (ja) * | 1993-01-05 | 2003-01-07 | ソニー株式会社 | 直交検波器 |
| GB2324919B (en) * | 1994-10-12 | 1999-01-27 | Hewlett Packard Co | Modulation and frequency conversion by time sharing |
-
2000
- 2000-01-24 EP EP00101381A patent/EP1120899B1/en not_active Expired - Lifetime
- 2000-01-24 DE DE60005291T patent/DE60005291T2/de not_active Expired - Lifetime
-
2001
- 2001-01-18 CA CA002331430A patent/CA2331430C/en not_active Expired - Fee Related
- 2001-01-22 US US09/767,124 patent/US6724246B2/en not_active Expired - Fee Related
- 2001-01-24 JP JP2001016208A patent/JP4738604B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE60005291T2 (de) | 2004-07-15 |
| DE60005291D1 (de) | 2003-10-23 |
| CA2331430A1 (en) | 2001-07-24 |
| EP1120899B1 (en) | 2003-09-17 |
| EP1120899A1 (en) | 2001-08-01 |
| US6724246B2 (en) | 2004-04-20 |
| JP2001245010A (ja) | 2001-09-07 |
| US20010030575A1 (en) | 2001-10-18 |
| JP4738604B2 (ja) | 2011-08-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20130118 |