CA1072640A - Digital carrier wave detect circuitry - Google Patents
Digital carrier wave detect circuitryInfo
- Publication number
- CA1072640A CA1072640A CA272,856A CA272856A CA1072640A CA 1072640 A CA1072640 A CA 1072640A CA 272856 A CA272856 A CA 272856A CA 1072640 A CA1072640 A CA 1072640A
- Authority
- CA
- Canada
- Prior art keywords
- circuit
- terminals
- output
- input
- flip
- 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
Links
- 230000007704 transition Effects 0.000 claims description 31
- 230000000295 complement effect Effects 0.000 claims description 21
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 230000001960 triggered effect Effects 0.000 claims 2
- 230000002730 additional effect Effects 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 abstract description 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241000208011 Digitalis Species 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000002020 sage Nutrition 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
- H04L1/206—Arrangements for detecting or preventing errors in the information received using signal quality detector for modulated signals
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dc Digital Transmission (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66340376A | 1976-03-03 | 1976-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1072640A true CA1072640A (en) | 1980-02-26 |
Family
ID=24661659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA272,856A Expired CA1072640A (en) | 1976-03-03 | 1977-02-28 | Digital carrier wave detect circuitry |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4068174A (cg-RX-API-DMAC7.html) |
| AU (1) | AU508787B2 (cg-RX-API-DMAC7.html) |
| CA (1) | CA1072640A (cg-RX-API-DMAC7.html) |
| DE (1) | DE2658957A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2343376A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1518642A (cg-RX-API-DMAC7.html) |
| IT (1) | IT1118016B (cg-RX-API-DMAC7.html) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2903711A1 (de) * | 1979-01-31 | 1980-09-04 | Siemens Ag | Schaltungsanordnung zum einstellen der phase von empfangsseitig erzeugten traegersignalen |
| US4412339A (en) * | 1981-09-24 | 1983-10-25 | Advanced Micro Devices, Inc. | Zero-crossing interpolator to reduce isochronous distortion in a digital FSK modem |
| US4622481A (en) * | 1985-08-21 | 1986-11-11 | Rca Corporation | Digital envelope detection circuit |
| US4605903A (en) * | 1985-11-07 | 1986-08-12 | Motorola, Inc. | FSK demodulator with high noise immunity digital phase detector |
| FR2748878B1 (fr) * | 1996-05-14 | 1998-06-26 | Alcatel Telspace | Systeme de detection de la presence d'une onde porteuse d'un signal numerique et recepteur comprenant un tel systeme |
| US7665012B2 (en) * | 2005-11-04 | 2010-02-16 | At&T Intellectual Property I, Lp | Impulse noise mitigation |
| US8933595B2 (en) | 2007-10-24 | 2015-01-13 | Nassim Haramein | Plasma flow interaction simulator |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3548328A (en) * | 1969-01-13 | 1970-12-15 | Honeywell Inc | Digital fm discriminator |
| US3571712A (en) * | 1969-07-30 | 1971-03-23 | Ibm | Digital fsk/psk detector |
| FR2064258A6 (cg-RX-API-DMAC7.html) * | 1969-09-22 | 1971-07-23 | Lignes Telegraph Telephon | |
| US3766479A (en) * | 1971-10-04 | 1973-10-16 | Ncr | Carrier detection circuit |
| US3746993A (en) * | 1971-12-27 | 1973-07-17 | Ncr | Carrier detection circuit |
| FR2201595B1 (cg-RX-API-DMAC7.html) * | 1972-09-26 | 1977-07-29 | Cit Alcatel |
-
1976
- 1976-12-24 DE DE19762658957 patent/DE2658957A1/de not_active Withdrawn
-
1977
- 1977-02-01 FR FR7703509A patent/FR2343376A1/fr active Granted
- 1977-02-09 GB GB5242/77A patent/GB1518642A/en not_active Expired
- 1977-02-25 IT IT20669/77A patent/IT1118016B/it active
- 1977-02-28 US US05/772,613 patent/US4068174A/en not_active Expired - Lifetime
- 1977-02-28 CA CA272,856A patent/CA1072640A/en not_active Expired
- 1977-03-03 AU AU22899/77A patent/AU508787B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2343376B1 (cg-RX-API-DMAC7.html) | 1981-06-19 |
| DE2658957A1 (de) | 1977-09-08 |
| US4068174A (en) | 1978-01-10 |
| IT1118016B (it) | 1986-02-24 |
| AU2289977A (en) | 1978-09-07 |
| FR2343376A1 (fr) | 1977-09-30 |
| AU508787B2 (en) | 1980-04-03 |
| GB1518642A (en) | 1978-07-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |