GB2197554B - Fm multiplex broadcast receiver - Google Patents
Fm multiplex broadcast receiverInfo
- Publication number
- GB2197554B GB2197554B GB8722931A GB8722931A GB2197554B GB 2197554 B GB2197554 B GB 2197554B GB 8722931 A GB8722931 A GB 8722931A GB 8722931 A GB8722931 A GB 8722931A GB 2197554 B GB2197554 B GB 2197554B
- Authority
- GB
- United Kingdom
- Prior art keywords
- broadcast receiver
- multiplex broadcast
- multiplex
- receiver
- broadcast
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/22—Homodyne or synchrodyne circuits
- H03D1/2245—Homodyne or synchrodyne circuits using two quadrature channels
- H03D1/2254—Homodyne or synchrodyne circuits using two quadrature channels and a phase locked loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
- H03D2200/0001—Circuit elements of demodulators
- H03D2200/0031—PLL circuits with quadrature locking, e.g. a Costas loop
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9021931A GB2235343B (en) | 1986-09-30 | 1987-09-30 | Fm multiplex broadcast receiver |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61232657A JPS6387039A (ja) | 1986-09-30 | 1986-09-30 | デイジタルpll回路のロツク検出回路 |
JP61232658A JPH0813033B2 (ja) | 1986-09-30 | 1986-09-30 | デイジタルpll回路のロツク検出回路 |
JP61232660A JPS6387836A (ja) | 1986-09-30 | 1986-09-30 | Fm多重放送受信機におけるデ−タ復調回路 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8722931D0 GB8722931D0 (en) | 1987-11-04 |
GB2197554A GB2197554A (en) | 1988-05-18 |
GB2197554B true GB2197554B (en) | 1991-06-05 |
Family
ID=27331903
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8722931A Expired - Lifetime GB2197554B (en) | 1986-09-30 | 1987-09-30 | Fm multiplex broadcast receiver |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE3733082A1 (de) |
GB (1) | GB2197554B (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3844936C2 (de) * | 1987-08-01 | 1998-06-04 | Pioneer Electronic Corp | Verfahren zum Speichern von Stationsfrequenzdaten in einem RDS-Rundfunkempfänger |
JP2752388B2 (ja) * | 1988-10-12 | 1998-05-18 | パイオニア株式会社 | Rds受信機におけるデータ復調回路 |
GB2287592B (en) * | 1994-03-18 | 1998-08-12 | Plessey Semiconductors Ltd | Phase lock detector |
JP2002318265A (ja) * | 2001-04-24 | 2002-10-31 | Hitachi Ltd | 半導体集積回路及び半導体集積回路のテスト方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4473805A (en) * | 1981-12-14 | 1984-09-25 | Rca Corporation | Phase lock loss detector |
US4584537A (en) * | 1985-04-17 | 1986-04-22 | Burroughs Corporation | Synchronized oscillator lock detector |
DE3516282A1 (de) * | 1985-05-07 | 1986-11-13 | Blaupunkt Werke Gmbh | Digitaler demodulator |
GB8522998D0 (en) * | 1985-09-18 | 1985-10-23 | Plessey Co Plc | Phase comparator lock detect circuit |
-
1987
- 1987-09-30 GB GB8722931A patent/GB2197554B/en not_active Expired - Lifetime
- 1987-09-30 DE DE19873733082 patent/DE3733082A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
GB2197554A (en) | 1988-05-18 |
DE3733082A1 (de) | 1988-03-31 |
DE3733082C2 (de) | 1990-12-06 |
GB8722931D0 (en) | 1987-11-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
746 | Register noted 'licences of right' (sect. 46/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19980930 |