CA1158323A - Adaptive phase lock loop demodulator - Google Patents
Adaptive phase lock loop demodulatorInfo
- Publication number
- CA1158323A CA1158323A CA000341968A CA341968A CA1158323A CA 1158323 A CA1158323 A CA 1158323A CA 000341968 A CA000341968 A CA 000341968A CA 341968 A CA341968 A CA 341968A CA 1158323 A CA1158323 A CA 1158323A
- Authority
- CA
- Canada
- Prior art keywords
- signal
- output
- input
- loop
- voltage
- 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
- 230000003044 adaptive effect Effects 0.000 title description 8
- 230000035945 sensitivity Effects 0.000 claims abstract description 10
- 230000003321 amplification Effects 0.000 claims abstract description 8
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 8
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 4
- 230000010363 phase shift Effects 0.000 claims description 4
- 230000006872 improvement Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 8
- 230000033228 biological regulation Effects 0.000 description 6
- 230000001427 coherent effect Effects 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 description 2
- 241000283986 Lepus Species 0.000 description 1
- 101710194099 Thiamine-phosphate synthase 2 Proteins 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
- H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
- H03D3/245—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop using at least twophase detectors in the loop
-
- 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
- H03D1/2245—Homodyne or synchrodyne circuits using two quadrature channels
- H03D1/2254—Homodyne or synchrodyne circuits using two quadrature channels and a phase locked loop
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP2853890.1 | 1978-12-14 | ||
| DE2853890A DE2853890C2 (de) | 1978-12-14 | 1978-12-14 | Verfahren zur Demodulation von phasen-, amplituden- oder frequenzmodulierten Signalen mit Hilfe eines Phasenregelkreises |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1158323A true CA1158323A (en) | 1983-12-06 |
Family
ID=6057089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000341968A Expired CA1158323A (en) | 1978-12-14 | 1979-12-14 | Adaptive phase lock loop demodulator |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5583307A (enrdf_load_stackoverflow) |
| CA (1) | CA1158323A (enrdf_load_stackoverflow) |
| DE (1) | DE2853890C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2444365B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2039179B (enrdf_load_stackoverflow) |
| IT (1) | IT1127684B (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3146280A1 (de) * | 1981-11-21 | 1983-06-23 | AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang | Demodulatoren, deren regelinformation von einem leistungsdetektor gewonnen wird |
| JP2770342B2 (ja) * | 1988-09-26 | 1998-07-02 | 日本電気株式会社 | 自動位相制御回路 |
| DE4223257C2 (de) * | 1992-07-15 | 1994-07-14 | Telefunken Microelectron | Schaltungsanordnung zur Demodulation des SECAM-Farbartsignals |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1122110B (de) * | 1958-03-20 | 1962-01-18 | Nippon Electric Co | Empfangssystem fuer frequenz- oder phasenmodulierte Schwingungen |
| US3060383A (en) * | 1958-12-04 | 1962-10-23 | Itt | Gain regulation circuit |
| GB925157A (en) * | 1960-06-29 | 1963-05-01 | Standard Telephones Cables Ltd | Circuit arrangement for effecting automatic frequency readjustment in television receivers |
| US3209271A (en) * | 1961-08-17 | 1965-09-28 | Radiation Inc | Phase-locked loops |
| AU472567B2 (en) * | 1972-01-20 | 1976-05-27 | National Aeronautics And Space Administration | Improved narrowband fm system for voice communications |
| JPS52150922A (en) * | 1976-06-10 | 1977-12-15 | Sony Corp | Am receiver |
| JPS6024640B2 (ja) * | 1976-11-25 | 1985-06-13 | 日本ビクター株式会社 | 多チヤンネル円盤レコ−ドから再生された角度変調波信号の復調装置 |
-
1978
- 1978-12-14 DE DE2853890A patent/DE2853890C2/de not_active Expired
-
1979
- 1979-12-06 GB GB7942100A patent/GB2039179B/en not_active Expired
- 1979-12-07 IT IT28007/79A patent/IT1127684B/it active
- 1979-12-14 JP JP16174779A patent/JPS5583307A/ja active Granted
- 1979-12-14 FR FR7930775A patent/FR2444365B1/fr not_active Expired
- 1979-12-14 CA CA000341968A patent/CA1158323A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1127684B (it) | 1986-05-21 |
| JPS6351406B2 (enrdf_load_stackoverflow) | 1988-10-13 |
| FR2444365A1 (fr) | 1980-07-11 |
| GB2039179B (en) | 1983-04-13 |
| DE2853890A1 (de) | 1980-06-19 |
| FR2444365B1 (fr) | 1985-09-06 |
| DE2853890C2 (de) | 1986-03-13 |
| IT7928007A0 (it) | 1979-12-07 |
| GB2039179A (en) | 1980-07-30 |
| JPS5583307A (en) | 1980-06-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |