HK55487A - Fm demodulator circuit - Google Patents
Fm demodulator circuitInfo
- Publication number
- HK55487A HK55487A HK554/87A HK55487A HK55487A HK 55487 A HK55487 A HK 55487A HK 554/87 A HK554/87 A HK 554/87A HK 55487 A HK55487 A HK 55487A HK 55487 A HK55487 A HK 55487A
- Authority
- HK
- Hong Kong
- Prior art keywords
- coil
- circuit
- demodulator circuit
- frequency
- curve
- Prior art date
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
- H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuits Of Receivers In General (AREA)
- Superheterodyne Receivers (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57072248A JPS58212205A (ja) | 1982-04-28 | 1982-04-28 | Fm検波回路 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK55487A true HK55487A (en) | 1987-08-07 |
Family
ID=13483801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK554/87A HK55487A (en) | 1982-04-28 | 1987-07-30 | Fm demodulator circuit |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS58212205A (enrdf_load_stackoverflow) |
| KR (1) | KR900007029B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2122440B (enrdf_load_stackoverflow) |
| HK (1) | HK55487A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5155786A (en) * | 1991-04-29 | 1992-10-13 | International Business Machines Corporation | Apparatus and a method for an optical fiber interface |
| GB2263369A (en) * | 1992-01-20 | 1993-07-21 | Racal Res Ltd | Frequency discriminator |
| DE69528503T2 (de) * | 1994-04-04 | 2003-02-13 | Motorola, Inc. | Breitband diskriminator eines funkempfängers |
| JP3003600B2 (ja) * | 1996-11-20 | 2000-01-31 | 日本電気株式会社 | Fm復調回路 |
| ES2142754B1 (es) * | 1998-04-17 | 2000-11-16 | Iglesias Angel Sa | Demodulador para señales moduladas en frecuencia de alta ganancia de demodulacion. |
| JP2006033584A (ja) * | 2004-07-20 | 2006-02-02 | Alps Electric Co Ltd | Fsk検波回路 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE711338A (enrdf_load_stackoverflow) * | 1967-03-02 | 1968-07-01 | ||
| JPS5846884B2 (ja) * | 1975-01-16 | 1983-10-19 | ソニー株式会社 | シユウハスウベンベツカイロ |
| JPS5928084B2 (ja) * | 1975-04-24 | 1984-07-10 | ソニー株式会社 | 復調回路 |
| JPS5328361A (en) * | 1976-08-27 | 1978-03-16 | Sony Corp | Quadratur e phase detection circuit |
-
1982
- 1982-04-28 JP JP57072248A patent/JPS58212205A/ja active Granted
-
1983
- 1983-02-26 KR KR1019830000799A patent/KR900007029B1/ko not_active Expired
- 1983-04-18 GB GB08310400A patent/GB2122440B/en not_active Expired
-
1987
- 1987-07-30 HK HK554/87A patent/HK55487A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB2122440A (en) | 1984-01-11 |
| GB2122440B (en) | 1986-02-26 |
| JPS58212205A (ja) | 1983-12-09 |
| KR840003935A (ko) | 1984-10-04 |
| JPS6330807B2 (enrdf_load_stackoverflow) | 1988-06-21 |
| KR900007029B1 (ko) | 1990-09-27 |
| GB8310400D0 (en) | 1983-05-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |