DE69132330D1 - Detektor für Quadraturfrequenz-Modulationssignal - Google Patents
Detektor für Quadraturfrequenz-ModulationssignalInfo
- Publication number
- DE69132330D1 DE69132330D1 DE69132330T DE69132330T DE69132330D1 DE 69132330 D1 DE69132330 D1 DE 69132330D1 DE 69132330 T DE69132330 T DE 69132330T DE 69132330 T DE69132330 T DE 69132330T DE 69132330 D1 DE69132330 D1 DE 69132330D1
- Authority
- DE
- Germany
- Prior art keywords
- modulation signal
- frequency modulation
- signal detector
- quadrature frequency
- quadrature
- 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
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
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/18—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of synchronous gating arrangements
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2332460A JP2523988B2 (ja) | 1990-11-28 | 1990-11-28 | 直角検波装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69132330D1 true DE69132330D1 (de) | 2000-08-24 |
DE69132330T2 DE69132330T2 (de) | 2001-01-25 |
Family
ID=18255224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69132330T Expired - Fee Related DE69132330T2 (de) | 1990-11-28 | 1991-11-15 | Detektor für Quadraturfrequenz-Modulationssignal |
Country Status (5)
Country | Link |
---|---|
US (1) | US5166633A (de) |
EP (1) | EP0488558B1 (de) |
JP (1) | JP2523988B2 (de) |
DE (1) | DE69132330T2 (de) |
ES (1) | ES2148143T3 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9626229D0 (en) * | 1996-12-18 | 1997-02-05 | Plessey Semiconductors Ltd | Image-reject mixer arrangements |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL161933C (nl) * | 1970-03-07 | 1980-03-17 | Philips Nv | Detectieschakeling voor frequentiegemoduleerde signalen. |
US3667060A (en) * | 1970-08-26 | 1972-05-30 | Rca Corp | Balanced angle modulation detector |
JPS5328361A (en) * | 1976-08-27 | 1978-03-16 | Sony Corp | Quadratur e phase detection circuit |
JPS5552606A (en) * | 1978-10-13 | 1980-04-17 | Pioneer Electronic Corp | Product circuit |
JPS55158733A (en) * | 1979-05-29 | 1980-12-10 | Toshiba Corp | Delay type fm demodulating circuit |
JPS5656008A (en) * | 1979-10-15 | 1981-05-16 | Hitachi Ltd | Fm detecting circuit |
JPS6367396A (ja) * | 1986-09-09 | 1988-03-26 | 磯西 洋吾 | 衝撃式推進装置 |
-
1990
- 1990-11-28 JP JP2332460A patent/JP2523988B2/ja not_active Expired - Fee Related
-
1991
- 1991-11-15 EP EP91310582A patent/EP0488558B1/de not_active Expired - Lifetime
- 1991-11-15 ES ES91310582T patent/ES2148143T3/es not_active Expired - Lifetime
- 1991-11-15 DE DE69132330T patent/DE69132330T2/de not_active Expired - Fee Related
- 1991-11-22 US US07/796,597 patent/US5166633A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH04207209A (ja) | 1992-07-29 |
US5166633A (en) | 1992-11-24 |
JP2523988B2 (ja) | 1996-08-14 |
EP0488558B1 (de) | 2000-07-19 |
ES2148143T3 (es) | 2000-10-16 |
EP0488558A1 (de) | 1992-06-03 |
DE69132330T2 (de) | 2001-01-25 |
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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 |