FR2341982A1 - Montage d'accord de recepteur superheterodyne - Google Patents

Montage d'accord de recepteur superheterodyne

Info

Publication number
FR2341982A1
FR2341982A1 FR7704604A FR7704604A FR2341982A1 FR 2341982 A1 FR2341982 A1 FR 2341982A1 FR 7704604 A FR7704604 A FR 7704604A FR 7704604 A FR7704604 A FR 7704604A FR 2341982 A1 FR2341982 A1 FR 2341982A1
Authority
FR
France
Prior art keywords
superheterodyne receiver
receiver tuning
tuning
superheterodyne
receiver
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.)
Granted
Application number
FR7704604A
Other languages
English (en)
French (fr)
Other versions
FR2341982B1 (enrdf_load_html_response
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of FR2341982A1 publication Critical patent/FR2341982A1/fr
Application granted granted Critical
Publication of FR2341982B1 publication Critical patent/FR2341982B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/181—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a numerical count result being used for locking the loop, the counter counting during fixed time intervals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)
FR7704604A 1976-02-17 1977-02-17 Montage d'accord de recepteur superheterodyne Granted FR2341982A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762606230 DE2606230C3 (de) 1976-02-17 1976-02-17 Abstimmschaltung für Überlagerungsempfänger

Publications (2)

Publication Number Publication Date
FR2341982A1 true FR2341982A1 (fr) 1977-09-16
FR2341982B1 FR2341982B1 (enrdf_load_html_response) 1982-07-30

Family

ID=5970070

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7704604A Granted FR2341982A1 (fr) 1976-02-17 1977-02-17 Montage d'accord de recepteur superheterodyne

Country Status (4)

Country Link
JP (2) JPS52100807A (enrdf_load_html_response)
DE (1) DE2606230C3 (enrdf_load_html_response)
FR (1) FR2341982A1 (enrdf_load_html_response)
GB (1) GB1573224A (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2452822A1 (fr) * 1979-03-30 1980-10-24 Licentia Gmbh Circuit d'accord pour un recepteur, dont la position d'accord est determinee par l'etat d'un compteur

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63123079U (enrdf_load_html_response) * 1987-02-04 1988-08-10
JP2541224B2 (ja) * 1987-06-15 1996-10-09 ソニー株式会社 シンセサイザ受信機
JPS645350U (enrdf_load_html_response) * 1987-06-30 1989-01-12
JPH01135684U (enrdf_load_html_response) * 1988-03-11 1989-09-18

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2029475A1 (de) * 1970-06-15 1971-12-23 Rohde & Schwarz Schaltung zum Regeln der Frequenz eines Oszillators auf einen digital vor gegebenen Sollwert
DE2129873A1 (de) * 1971-06-16 1972-12-21 Rohde & Schwarz Schaltung zum Nachregeln der Frequenz eines abstimmbaren Oszillators auf einen vorbestimmten konstanten Sollwert
DE2362116A1 (de) * 1973-12-14 1975-07-31 Licentia Gmbh Auf einstellbare frequenzwerte rastbarer steuergenerator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2029475A1 (de) * 1970-06-15 1971-12-23 Rohde & Schwarz Schaltung zum Regeln der Frequenz eines Oszillators auf einen digital vor gegebenen Sollwert
DE2129873A1 (de) * 1971-06-16 1972-12-21 Rohde & Schwarz Schaltung zum Nachregeln der Frequenz eines abstimmbaren Oszillators auf einen vorbestimmten konstanten Sollwert
DE2362116A1 (de) * 1973-12-14 1975-07-31 Licentia Gmbh Auf einstellbare frequenzwerte rastbarer steuergenerator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2452822A1 (fr) * 1979-03-30 1980-10-24 Licentia Gmbh Circuit d'accord pour un recepteur, dont la position d'accord est determinee par l'etat d'un compteur

Also Published As

Publication number Publication date
JPS6019169B2 (ja) 1985-05-15
GB1573224A (en) 1980-08-20
JPS5463601A (en) 1979-05-22
DE2606230C3 (de) 1980-03-27
DE2606230B2 (de) 1979-07-26
JPS52100807A (en) 1977-08-24
FR2341982B1 (enrdf_load_html_response) 1982-07-30
DE2606230A1 (de) 1977-08-18

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse