DE1236605B - Schaltungsanordnung fuer eine Nachstimmautomatik - Google Patents
Schaltungsanordnung fuer eine NachstimmautomatikInfo
- Publication number
- DE1236605B DE1236605B DE1965B0084685 DEB0084685A DE1236605B DE 1236605 B DE1236605 B DE 1236605B DE 1965B0084685 DE1965B0084685 DE 1965B0084685 DE B0084685 A DEB0084685 A DE B0084685A DE 1236605 B DE1236605 B DE 1236605B
- Authority
- DE
- Germany
- Prior art keywords
- voltage
- diodes
- diode
- circuit arrangement
- parallel
- 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
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/08—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using varactors, i.e. voltage variable reactive diodes
- H03J7/10—Modification of automatic frequency control sensitivity or linearising automatic frequency control operation
-
- 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
- H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
- H03D3/08—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of diodes, e.g. Foster-Seeley discriminator
- H03D3/10—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of diodes, e.g. Foster-Seeley discriminator in which the diodes are simultaneously conducting during the same half period of the signal, e.g. radio detector
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
- H03G11/04—Limiting level dependent on strength of signal; Limiting level dependent on strength of carrier on which signal is modulated
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/04—Arrangements for compensating for variations of physical values, e.g. temperature
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
- H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuits Of Receivers In General (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1965B0084685 DE1236605B (de) | 1965-11-25 | 1965-11-25 | Schaltungsanordnung fuer eine Nachstimmautomatik |
AT869866A AT264599B (de) | 1965-11-25 | 1966-09-14 | Schaltung zur automatischen Nachstimmung des Oszillators in Überlagerungsempfängern |
NL6616506A NL6616506A (US06589383-20030708-C00041.png) | 1965-11-25 | 1966-11-23 | |
FR85067A FR1501625A (fr) | 1965-11-25 | 1966-11-25 | Montage pour réglage automatique de la fréquence |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1965B0084685 DE1236605B (de) | 1965-11-25 | 1965-11-25 | Schaltungsanordnung fuer eine Nachstimmautomatik |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1236605B true DE1236605B (de) | 1967-03-16 |
Family
ID=6982550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1965B0084685 Pending DE1236605B (de) | 1965-11-25 | 1965-11-25 | Schaltungsanordnung fuer eine Nachstimmautomatik |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT264599B (US06589383-20030708-C00041.png) |
DE (1) | DE1236605B (US06589383-20030708-C00041.png) |
FR (1) | FR1501625A (US06589383-20030708-C00041.png) |
NL (1) | NL6616506A (US06589383-20030708-C00041.png) |
-
1965
- 1965-11-25 DE DE1965B0084685 patent/DE1236605B/de active Pending
-
1966
- 1966-09-14 AT AT869866A patent/AT264599B/de active
- 1966-11-23 NL NL6616506A patent/NL6616506A/xx unknown
- 1966-11-25 FR FR85067A patent/FR1501625A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1501625A (fr) | 1967-11-10 |
AT264599B (de) | 1968-09-10 |
NL6616506A (US06589383-20030708-C00041.png) | 1967-05-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE685380C (de) | Einrichtung zur Umsetzung der Abweichung einer Frequenz einer Wechselspannung von einer Normalfrequenz in eine sie nach Graesse und Richtungssinn kennzeichnende Gleichspnung | |
DE2142660A1 (de) | Abstimm- und Empfangsfeldstärke-Anzeigeschaltung | |
DE1297702B (de) | Automatische Abstimmeinrichtung | |
DE742357C (de) | Schaltungsanordnung zur Abstimmanzeige bei einem Empfaenger fuer frequenzmodulierte Schwingungen | |
DE4220228A1 (de) | Schaltungsanordnung zur Unterdrückung schmalbandiger Störsignale | |
DE2151048B2 (de) | Schaltung zur Demodulation frequenz modulierter elektrischer Hochfrequenz schwingungen und zur Gewinnung einer Spannung fur eine Frequenznachstellung | |
DE2354175C3 (de) | Empfanger mit einer Abstimmkorrekturaustastschaltung | |
DE1236605B (de) | Schaltungsanordnung fuer eine Nachstimmautomatik | |
DE2002604B2 (de) | Schaltung zur unterdrueckung kleiner ausgangsspannungen eines diskriminators in einem empfaenger fuer hochfrequente elektrische schwingungen | |
DE2031294C3 (de) | Abstbnmvorrichtung für hochfrequente elektrische Schwingungen | |
DE2044635C3 (de) | Schaltung zum automatischen Sendersuchlauf in Rundfunkempfängern | |
DE1516789B2 (de) | Oszillatorschaltung | |
DE2315798A1 (de) | Schaltungsanordnung zur automatischen frequenznachstimmung in rundfunk- und fernsehempfaengern | |
DE832448C (de) | Empfangsschaltung | |
DE3317158C2 (US06589383-20030708-C00041.png) | ||
DE1267280B (de) | Schaltung fuer eine Nachstimmautomatik | |
WO1986005637A1 (en) | Circuit for automatic tuning of sharpness in fm receivers | |
DE673386C (de) | UEberlagerungsempfangsgeraet mit selbsttaetiger Abstimmungskorrektion | |
DE1267279B (de) | Nachstimmautomatik fuer einen UEberlagerungsempfaenger | |
DE697223C (de) | Anordnung zur automatischen Enttruebung der von einem rotierenden Peilantennensystemgelieferten Empfangsspannungen | |
DE2201221C3 (de) | Überlagerungsempfänger | |
DE2023894C (de) | Eingangsschaltung fur einen Empfänger fur hochfrequente elektri sehe Schwingungen | |
DE714115C (de) | Empfaenger mit Kurzschlussstelle auf der Resonanzkurve zur Unterdrueckung der UEbertragung eines Nachbarsenders | |
DE2333852A1 (de) | Ueberlagerungsempfaenger mit einer digital einstellbaren abstimmanordnung | |
EP0522325B1 (de) | Steuereinrichtung für einen UKW-Empfänger mit mehreren Antennen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
E771 | Valid patent as to the heymanns-index 1977, willingness to grant licences |