CH619087A5 - Device for receiving frequency-modulated digital communications signals - Google Patents
Device for receiving frequency-modulated digital communications signals Download PDFInfo
- Publication number
- CH619087A5 CH619087A5 CH774377A CH774377A CH619087A5 CH 619087 A5 CH619087 A5 CH 619087A5 CH 774377 A CH774377 A CH 774377A CH 774377 A CH774377 A CH 774377A CH 619087 A5 CH619087 A5 CH 619087A5
- Authority
- CH
- Switzerland
- Prior art keywords
- output
- signal
- switch
- demodulator
- circuit
- Prior art date
Links
- 230000008859 change Effects 0.000 claims description 25
- 238000005070 sampling Methods 0.000 claims description 23
- 239000003990 capacitor Substances 0.000 claims description 20
- 238000011156 evaluation Methods 0.000 claims description 17
- 230000000630 rising effect Effects 0.000 claims description 4
- 230000003111 delayed effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 2
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 230000008033 biological extinction Effects 0.000 description 27
- 230000003068 static effect Effects 0.000 description 23
- 238000010586 diagram Methods 0.000 description 15
- 230000006870 function Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 11
- 230000001419 dependent effect Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 238000006467 substitution reaction Methods 0.000 description 8
- 230000004044 response Effects 0.000 description 6
- 206010034719 Personality change Diseases 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011157 data evaluation Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 101100234408 Danio rerio kif7 gene Proteins 0.000 description 1
- 101100221620 Drosophila melanogaster cos gene Proteins 0.000 description 1
- 101100398237 Xenopus tropicalis kif11 gene Proteins 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000005433 ionosphere Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2628997A DE2628997C3 (de) | 1976-06-28 | 1976-06-28 | System zum Empfang frequenzmodulierter digitaler Nachrichtensignale |
| DE2714439A DE2714439C3 (de) | 1977-03-31 | 1977-03-31 | System zum Empfang frequenzmodulierter digitaler Nachrichtensignale |
| DE19772721526 DE2721526C3 (de) | 1977-05-12 | 1977-05-12 | System zum Empfang frequenzmodulierter digitaler Nachrichtensignale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH619087A5 true CH619087A5 (en) | 1980-08-29 |
Family
ID=27186896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH774377A CH619087A5 (en) | 1976-06-28 | 1977-06-24 | Device for receiving frequency-modulated digital communications signals |
Country Status (13)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2905471B1 (de) * | 1979-02-13 | 1980-02-21 | Siemens Ag | System zum Empfang frequenzmodulierter digitaler Nachrichtensignale |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3778727A (en) * | 1972-05-11 | 1973-12-11 | Singer Co | Crystal controlled frequency discriminator |
-
1977
- 1977-06-24 CH CH774377A patent/CH619087A5/de not_active IP Right Cessation
- 1977-06-24 DK DK281077A patent/DK281077A/da unknown
- 1977-06-27 NL NLAANVRAGE7707119,A patent/NL178115C/xx not_active IP Right Cessation
- 1977-06-27 FR FR7719609A patent/FR2357115A1/fr active Granted
- 1977-06-27 NO NO772272A patent/NO772272L/no unknown
- 1977-06-27 FI FI771996A patent/FI771996A7/fi not_active Application Discontinuation
- 1977-06-27 AT AT452177A patent/AT358631B/de not_active IP Right Cessation
- 1977-06-27 SE SE7707400A patent/SE417047B/xx unknown
- 1977-06-27 LU LU77628A patent/LU77628A1/de unknown
- 1977-06-28 GB GB20851/77A patent/GB1584641A/en not_active Expired
- 1977-06-28 IE IE1324/77A patent/IE45444B1/en unknown
- 1977-06-28 ES ES460184A patent/ES460184A1/es not_active Expired
- 1977-06-28 IT IT25123/77A patent/IT1086275B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2357115B1 (enrdf_load_stackoverflow) | 1982-01-08 |
| IE45444L (en) | 1977-12-28 |
| FI771996A7 (enrdf_load_stackoverflow) | 1977-12-29 |
| NL178115C (nl) | 1986-01-16 |
| NL7707119A (nl) | 1977-12-30 |
| AT358631B (de) | 1980-09-25 |
| SE417047B (sv) | 1981-02-16 |
| FR2357115A1 (fr) | 1978-01-27 |
| DK281077A (da) | 1977-12-29 |
| IT1086275B (it) | 1985-05-28 |
| NO772272L (no) | 1977-12-29 |
| GB1584641A (en) | 1981-02-18 |
| LU77628A1 (de) | 1979-03-26 |
| ES460184A1 (es) | 1978-12-01 |
| NL178115B (nl) | 1985-08-16 |
| IE45444B1 (en) | 1982-08-25 |
| ATA452177A (de) | 1980-02-15 |
| SE7707400L (sv) | 1977-12-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |