JPS5255301A - Stereo demodulation circuit - Google Patents
Stereo demodulation circuitInfo
- Publication number
- JPS5255301A JPS5255301A JP50130917A JP13091775A JPS5255301A JP S5255301 A JPS5255301 A JP S5255301A JP 50130917 A JP50130917 A JP 50130917A JP 13091775 A JP13091775 A JP 13091775A JP S5255301 A JPS5255301 A JP S5255301A
- Authority
- JP
- Japan
- Prior art keywords
- demodulation circuit
- stereo demodulation
- stereo
- hum
- demodulator
- 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.)
- Pending
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
- H03D1/229—Homodyne or synchrodyne circuits using at least a two emittor-coupled differential pair of transistors
-
- 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
- H03D1/2209—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders
- H03D1/2227—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders using switches for the decoding
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stereo-Broadcasting Methods (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50130917A JPS5255301A (en) | 1975-10-30 | 1975-10-30 | Stereo demodulation circuit |
AU19016/76A AU511030B2 (en) | 1975-10-30 | 1976-10-26 | Stereo demodulator |
GB44668/76A GB1553413A (en) | 1975-10-30 | 1976-10-27 | Stereo demodulator circuits |
US05/736,306 US4074075A (en) | 1975-10-30 | 1976-10-28 | Circuit for demodulating a stereo signal |
CA264,435A CA1081804A (en) | 1975-10-30 | 1976-10-29 | Circuit for demodulating a stereo signal |
FR7632889A FR2330200A1 (fr) | 1975-10-30 | 1976-10-29 | Circuit demodulateur stereophonique |
DE2649620A DE2649620C2 (de) | 1975-10-30 | 1976-10-29 | Stereosignal-Demodulator |
NLAANVRAGE7612113,A NL188971C (nl) | 1975-10-30 | 1976-11-01 | Stereodemodulatorschakeling. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50130917A JPS5255301A (en) | 1975-10-30 | 1975-10-30 | Stereo demodulation circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5255301A true JPS5255301A (en) | 1977-05-06 |
Family
ID=15045747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50130917A Pending JPS5255301A (en) | 1975-10-30 | 1975-10-30 | Stereo demodulation circuit |
Country Status (8)
Country | Link |
---|---|
US (1) | US4074075A (ja) |
JP (1) | JPS5255301A (ja) |
AU (1) | AU511030B2 (ja) |
CA (1) | CA1081804A (ja) |
DE (1) | DE2649620C2 (ja) |
FR (1) | FR2330200A1 (ja) |
GB (1) | GB1553413A (ja) |
NL (1) | NL188971C (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5406631A (en) * | 1992-08-05 | 1995-04-11 | Rohm Co., Ltd. | Stereo signal demodulator circuit and stereo signal demodulator using the same |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5394101A (en) * | 1977-01-28 | 1978-08-17 | Sansui Electric Co | Demodulating circuit |
JPS5455301A (en) * | 1977-10-12 | 1979-05-02 | Pioneer Electronic Corp | Stereo signal demodulator |
JPS5636246A (en) * | 1979-08-31 | 1981-04-09 | Nec Corp | Stereo signal demodulating circuit |
JPS5943644A (ja) * | 1982-09-04 | 1984-03-10 | Pioneer Electronic Corp | Fmステレオ復調回路 |
JPS59226531A (ja) * | 1983-06-08 | 1984-12-19 | Sony Corp | Fmステレオ復調回路 |
US4646348A (en) * | 1985-07-18 | 1987-02-24 | National Semiconductor Corporation | Blend control for low voltage stereo decoders |
US4688119A (en) * | 1985-11-20 | 1987-08-18 | Xebec Development Partners, Ltd. | Detection and amplification circuit |
US5027402A (en) * | 1989-12-22 | 1991-06-25 | Allegro Microsystems, Inc. | Blend-on-noise stereo decoder |
JPH11308054A (ja) * | 1998-04-22 | 1999-11-05 | Fujitsu Ltd | 二重平衡変調器及び直交変調器 |
KR100586872B1 (ko) * | 1998-11-17 | 2006-06-07 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 정보신호에 대한 보조 데이터의 삽입 및 추출 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51115706A (en) * | 1975-03-13 | 1976-10-12 | Siemens Ag | Circuit device for adjusting continuously standard width in stereophonic decoder |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3707603A (en) * | 1969-12-29 | 1972-12-26 | Rca Corp | Fm stereophonic receiver detection apparatus and disabling means |
US3798376A (en) * | 1969-12-29 | 1974-03-19 | Rca Corp | Multiplex decoding system |
FR2163689B1 (ja) * | 1971-12-16 | 1976-08-27 | Matsushita Electric Ind Co Ltd | |
JPS5437213Y2 (ja) * | 1973-09-13 | 1979-11-08 |
-
1975
- 1975-10-30 JP JP50130917A patent/JPS5255301A/ja active Pending
-
1976
- 1976-10-26 AU AU19016/76A patent/AU511030B2/en not_active Expired
- 1976-10-27 GB GB44668/76A patent/GB1553413A/en not_active Expired
- 1976-10-28 US US05/736,306 patent/US4074075A/en not_active Expired - Lifetime
- 1976-10-29 FR FR7632889A patent/FR2330200A1/fr active Granted
- 1976-10-29 DE DE2649620A patent/DE2649620C2/de not_active Expired
- 1976-10-29 CA CA264,435A patent/CA1081804A/en not_active Expired
- 1976-11-01 NL NLAANVRAGE7612113,A patent/NL188971C/xx not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51115706A (en) * | 1975-03-13 | 1976-10-12 | Siemens Ag | Circuit device for adjusting continuously standard width in stereophonic decoder |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5406631A (en) * | 1992-08-05 | 1995-04-11 | Rohm Co., Ltd. | Stereo signal demodulator circuit and stereo signal demodulator using the same |
Also Published As
Publication number | Publication date |
---|---|
CA1081804A (en) | 1980-07-15 |
GB1553413A (en) | 1979-09-26 |
AU511030B2 (en) | 1980-07-24 |
NL7612113A (nl) | 1977-05-03 |
NL188971C (nl) | 1992-11-16 |
NL188971B (nl) | 1992-06-16 |
FR2330200A1 (fr) | 1977-05-27 |
AU1901676A (en) | 1978-05-04 |
DE2649620A1 (de) | 1977-05-12 |
DE2649620C2 (de) | 1986-06-26 |
FR2330200B1 (ja) | 1980-04-18 |
US4074075A (en) | 1978-02-14 |
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