DE2012414A1 - Einrichtung zur FM-Demodulation - Google Patents
Einrichtung zur FM-DemodulationInfo
- Publication number
- DE2012414A1 DE2012414A1 DE19702012414 DE2012414A DE2012414A1 DE 2012414 A1 DE2012414 A1 DE 2012414A1 DE 19702012414 DE19702012414 DE 19702012414 DE 2012414 A DE2012414 A DE 2012414A DE 2012414 A1 DE2012414 A1 DE 2012414A1
- Authority
- DE
- Germany
- Prior art keywords
- output
- demodulator
- input
- circuit
- filter
- 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.)
- Pending
Links
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 230000010355 oscillation Effects 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 230000002542 deteriorative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 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
- H03D3/248—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 with means for eliminating interfering signals, e.g. by multiple phase locked loops
-
- 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
- H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
- H03D3/002—Modifications of demodulators to reduce interference by undesired signals
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US80811669A | 1969-03-18 | 1969-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2012414A1 true DE2012414A1 (de) | 1970-09-24 |
Family
ID=25197904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702012414 Pending DE2012414A1 (de) | 1969-03-18 | 1970-03-16 | Einrichtung zur FM-Demodulation |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3643172A (enExample) |
| BE (1) | BE747527A (enExample) |
| BR (1) | BR7017533D0 (enExample) |
| CH (1) | CH526231A (enExample) |
| DE (1) | DE2012414A1 (enExample) |
| ES (1) | ES377624A1 (enExample) |
| FR (1) | FR2037216B1 (enExample) |
| GB (1) | GB1296665A (enExample) |
| NL (1) | NL7003681A (enExample) |
| SE (1) | SE354390B (enExample) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3206681A (en) * | 1961-10-02 | 1965-09-14 | Electro Mechanical Res Inc | Pulse code detecting systems |
| FR1328367A (fr) * | 1962-04-09 | 1963-05-31 | Démodulateur d'ondes modulées en fréquence |
-
1969
- 1969-03-18 US US808116A patent/US3643172A/en not_active Expired - Lifetime
-
1970
- 1970-03-12 GB GB1296665D patent/GB1296665A/en not_active Expired
- 1970-03-16 SE SE03422/70A patent/SE354390B/xx unknown
- 1970-03-16 NL NL7003681A patent/NL7003681A/xx not_active Application Discontinuation
- 1970-03-16 DE DE19702012414 patent/DE2012414A1/de active Pending
- 1970-03-16 FR FR7009267A patent/FR2037216B1/fr not_active Expired
- 1970-03-17 ES ES377624A patent/ES377624A1/es not_active Expired
- 1970-03-18 BR BR217533/70A patent/BR7017533D0/pt unknown
- 1970-03-18 BE BE747527D patent/BE747527A/xx unknown
- 1970-03-18 CH CH404870A patent/CH526231A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE354390B (enExample) | 1973-03-05 |
| US3643172A (en) | 1972-02-15 |
| BR7017533D0 (pt) | 1973-04-10 |
| GB1296665A (enExample) | 1972-11-15 |
| BE747527A (fr) | 1970-09-18 |
| FR2037216B1 (enExample) | 1975-01-10 |
| CH526231A (de) | 1972-07-31 |
| FR2037216A1 (enExample) | 1970-12-31 |
| ES377624A1 (es) | 1972-07-16 |
| NL7003681A (enExample) | 1970-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE68921265T2 (de) | Mehrfache Wiederverwendung eines FM-Bandes. | |
| DE3111729C2 (enExample) | ||
| DE2722570C3 (de) | Diversity-System | |
| DE69113038T2 (de) | Taktrückgewinnungsschaltung ohne anhebung des jitters. | |
| DE3336392A1 (de) | Einrichtung mit verringerter hf-abstrahlung | |
| DE2706364C3 (de) | Schaltungsanordnung zur Unterdrückung von impulsartigen Störungen in einem FM-Stereo-Rundfunkempfänger | |
| DE19802103A1 (de) | Leistungssteuerungsverfahren für Funksignale in Abhängigkeit von Frequenz- und Temperaturänderungen in einem Rufsender | |
| DE3044859C1 (de) | Entstoeranordnung fuer ein empfangenes Signal | |
| DE2331146A1 (de) | Einseitenband-nachrichtenuebertragungseinrichtung | |
| DE2442985C2 (enExample) | ||
| DE2852718A1 (de) | Schaltungsanordnung zur erzeugung einer modulierten welle | |
| DE2356712A1 (de) | Verfahren zur bildung eines magnetischen resonanzspektrums und spektrometer zu dessen durchfuehrung | |
| DE69524331T2 (de) | Schaltung zur automatischen Verstärkungsregelung und Vorrichtung mit einer solchen Schaltung | |
| DE69636592T2 (de) | Verfahren und Einrichtung zum Empfang eines QAM-Signals | |
| DE1591408C2 (de) | Vorrichtung zum Empfang mehrerer Eingangssignale gleicher Frequenz | |
| DE2852120C3 (de) | Korrekturschaltung für Laufzeitröhren | |
| DE2605843C2 (de) | Anordnung zur automatischen Korrektur von Verzerrungen | |
| DE1303327B (de) | Zwischenfrequenzverstaerker und phasensynchronisierter oszillator als demodulator in einem empfaenger fuer frequenzmodulierte elektrische schwingungen | |
| DE2651043C3 (de) | Empfänger für synchrone Signale mit doppelter phasenverriegelter Schleife | |
| DE2012414A1 (de) | Einrichtung zur FM-Demodulation | |
| DE4201542C2 (de) | Anordnung zum Unterdrücken von im Empfangssignal des Empfängers eines Hochfrequenz-Nachrichten-Übertragungssystems auftretenden Störsignalen | |
| EP0374374B1 (de) | Verfahren und Vorrichtung zur Reduzierung der Nutzbandbreite eines bandbegrenzten Signals durch Kodieren desselben und Verfahren und Vorrichtung zum Dekodieren des bandbegrenzten Signals | |
| DE1766434C3 (de) | Verfahren und Schaltungsanordnung zur Beseitigung von Störkomponenten beim Erfassen von Phasenschritten bei der Phasendemodulation | |
| DE3324405C2 (enExample) | ||
| DE2318260C3 (de) | Schaltungsanordnung für die Signalverarbeitung beim Frequenzdiversity-Empfang |