DE2341784A1 - Frequenzwandler- und demodulatorschaltungsanordnung - Google Patents
Frequenzwandler- und demodulatorschaltungsanordnungInfo
- Publication number
- DE2341784A1 DE2341784A1 DE19732341784 DE2341784A DE2341784A1 DE 2341784 A1 DE2341784 A1 DE 2341784A1 DE 19732341784 DE19732341784 DE 19732341784 DE 2341784 A DE2341784 A DE 2341784A DE 2341784 A1 DE2341784 A1 DE 2341784A1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- frequency
- phase
- circuit arrangement
- oscillator
- 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
Classifications
-
- 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
- H03D1/2281—Homodyne or synchrodyne circuits using a phase locked loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/02—Details
- H03D1/06—Modifications of demodulators to reduce distortion, e.g. by negative feedback
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
- H03D2200/0041—Functional aspects of demodulators
- H03D2200/0088—Reduction of intermodulation, nonlinearities, adjacent channel interference; intercept points of harmonics or intermodulation products
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8234072A JPS4940051A (fr) | 1972-08-17 | 1972-08-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2341784A1 true DE2341784A1 (de) | 1974-02-28 |
Family
ID=13771822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19732341784 Pending DE2341784A1 (de) | 1972-08-17 | 1973-08-17 | Frequenzwandler- und demodulatorschaltungsanordnung |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS4940051A (fr) |
BR (1) | BR7306360D0 (fr) |
DE (1) | DE2341784A1 (fr) |
ES (1) | ES417970A1 (fr) |
FR (1) | FR2196550A1 (fr) |
IT (1) | IT993016B (fr) |
NL (1) | NL7311365A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0638991A1 (fr) * | 1993-08-13 | 1995-02-15 | Telefonaktiebolaget Lm Ericsson | Méthode et dispositif pour échantillonnage de signaux électriques |
-
1972
- 1972-08-17 JP JP8234072A patent/JPS4940051A/ja active Pending
-
1973
- 1973-08-17 FR FR7330053A patent/FR2196550A1/fr not_active Withdrawn
- 1973-08-17 DE DE19732341784 patent/DE2341784A1/de active Pending
- 1973-08-17 NL NL7311365A patent/NL7311365A/xx not_active Application Discontinuation
- 1973-08-17 IT IT2798373A patent/IT993016B/it active
- 1973-08-17 ES ES417970A patent/ES417970A1/es not_active Expired
- 1973-08-17 BR BR636073A patent/BR7306360D0/pt unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0638991A1 (fr) * | 1993-08-13 | 1995-02-15 | Telefonaktiebolaget Lm Ericsson | Méthode et dispositif pour échantillonnage de signaux électriques |
US5510737A (en) * | 1993-08-13 | 1996-04-23 | Telefonaktiebolaget Lm Ericsson | Method and apparatus for sampling of electrical signals |
Also Published As
Publication number | Publication date |
---|---|
JPS4940051A (fr) | 1974-04-15 |
FR2196550A1 (fr) | 1974-03-15 |
NL7311365A (fr) | 1974-02-19 |
IT993016B (it) | 1975-09-30 |
BR7306360D0 (pt) | 1974-07-11 |
ES417970A1 (es) | 1976-03-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE4191766C2 (de) | Frequenzsteuerschaltkreis für einen einstellbaren Empfänger-Oszillator | |
DE2214259A1 (de) | FM-Stereodemodulator | |
DE2945563C2 (fr) | ||
DE3784930T2 (de) | Empfaenger mit zwei zweigen. | |
EP0345881B1 (fr) | Démodulateur synchrone | |
DE2649933C2 (de) | Schaltungsanordnung zur Erzeugung einer Schwingung steuerbarer Phase und/oder Frequenz | |
EP0749055A2 (fr) | Récepteur hétérodyne à démodulation synchrone pour la réception de signaux de temps | |
DE3902826C2 (fr) | ||
DE2646966A1 (de) | Rundfunkempfaenger | |
DE3240565C2 (de) | Direktmischender Synchronempfänger | |
DE2442985C2 (fr) | ||
DE2912756C2 (fr) | ||
DE3032622A1 (de) | Fernsehsignalverarbeitungsschaltung | |
EP0017130A1 (fr) | Récepteur pour ondes électromagnétiques à haute fréquence avec réajustement des fréquences | |
DE2729499C2 (de) | Einseitenband-Sende-Empfangs-Einrichtung | |
DE2341784A1 (de) | Frequenzwandler- und demodulatorschaltungsanordnung | |
EP0076981B1 (fr) | Démodulateur à onde pilote pour la réception de la télévision stéréophonique | |
EP0515357B1 (fr) | Procede et circuit de demodulation de signaux de television en couleurs a codage secam a frequence elementaire couplee aux lignes | |
DE19719658C2 (de) | HF-Überlagerungs-Sendeempfangsgerät | |
DE921510C (de) | Abstimmbarer Oszillator, dessen Frequenz selbsttaetig gegenueber der Frequenz von Stabilisierungsschwingungen stabilisiert wird | |
DE69827922T2 (de) | Filter für ein Mobilfunktelefon | |
DE2849447C2 (fr) | ||
DE3505118A1 (de) | Zweikanal-zf-fernsehempfaenger mit im tonkanal vom bildtraeger abgeleiteter scharfabstimmspannung | |
DE943957C (de) | Schaltungsanordnung zum UEberlagerungsempfang amplitudenmodulierter und frequenzmodulierter Schwingungen | |
EP0957635B1 (fr) | Circuit de filtrage |