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 (enrdf_load_stackoverflow) | 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 (enrdf_load_stackoverflow) |
-
1981
- 1981-06-26 JP JP9992281A patent/JPS581351A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH033975B2 (enrdf_load_stackoverflow) | 1991-01-21 |