JPS581351A - Fmステレオ復調装置 - Google Patents
Fmステレオ復調装置Info
- Publication number
- JPS581351A JPS581351A JP9992281A JP9992281A JPS581351A JP S581351 A JPS581351 A JP S581351A JP 9992281 A JP9992281 A JP 9992281A JP 9992281 A JP9992281 A JP 9992281A JP S581351 A JPS581351 A JP S581351A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- outputs
- phase
- component
- multipliers
- 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.)
- Granted
Links
- 239000002131 composite material Substances 0.000 claims abstract description 11
- 238000001228 spectrum Methods 0.000 claims abstract description 5
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000005236 sound signal Effects 0.000 claims description 2
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 abstract 4
- 238000010586 diagram Methods 0.000 description 11
- 238000001514 detection method Methods 0.000 description 7
- 230000006866 deterioration Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 2
- 239000011162 core material Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
- H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
- H04H40/36—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving
- H04H40/45—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving
- H04H40/72—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving for noise suppression
-
- 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
-
- 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
- H03D1/2236—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 a phase locked loop
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Stereo-Broadcasting Methods (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9992281A JPS581351A (ja) | 1981-06-26 | 1981-06-26 | Fmステレオ復調装置 |
US06/392,129 US4502148A (en) | 1981-06-26 | 1982-06-25 | FM Stereo demodulator for demodulating stereo signals directly from an FM intermediate frequency signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9992281A JPS581351A (ja) | 1981-06-26 | 1981-06-26 | Fmステレオ復調装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS581351A true JPS581351A (ja) | 1983-01-06 |
JPH033975B2 JPH033975B2 (cs) | 1991-01-21 |
Family
ID=14260258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9992281A Granted JPS581351A (ja) | 1981-06-26 | 1981-06-26 | Fmステレオ復調装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS581351A (cs) |
-
1981
- 1981-06-26 JP JP9992281A patent/JPS581351A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH033975B2 (cs) | 1991-01-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS6262105B2 (cs) | ||
JPS583424B2 (ja) | ステレオフクゴウシンゴウハツセイホウホウ オヨビ ソウチ | |
US4069398A (en) | Method and apparatus for pilot signal cancellation in an FM multiplex demodulator | |
JPS5853805B2 (ja) | パイロット信号の除去装置 | |
JPS581351A (ja) | Fmステレオ復調装置 | |
JPS6342454B2 (cs) | ||
JPS5854691B2 (ja) | ステレオ復調方式 | |
JPS5944828B2 (ja) | Fm受信機 | |
CN1711801B (zh) | 用于接收机的方法 | |
JPH0412655B2 (cs) | ||
JPS6342455B2 (cs) | ||
US4489430A (en) | FM Stereo demodulation circuit | |
JPS636179B2 (cs) | ||
JPS6342453B2 (cs) | ||
JPH037168B2 (cs) | ||
JPH0422583Y2 (cs) | ||
JPH0311138B2 (cs) | ||
SU1559416A1 (ru) | Демодул тор частотно-модулированного стереосигнала в системе с пол рной модул цией | |
JPS6018036A (ja) | Fmステレオ復調器 | |
JPH0313771B2 (cs) | ||
JPH0354493B2 (cs) | ||
JPS59204320A (ja) | Pll同期復調回路 | |
JPH0453135B2 (cs) | ||
JPH0332250B2 (cs) | ||
JPS5923662A (ja) | 直接周波数変調信号のデ−タ復調器 |