AT287803B - Schaltungsanordnung zum Empfang von insbesondere amplituden- und/oder phasenmodulierten Hochfrequenzsignalen - Google Patents

Schaltungsanordnung zum Empfang von insbesondere amplituden- und/oder phasenmodulierten Hochfrequenzsignalen

Info

Publication number
AT287803B
AT287803B AT1089666A AT1089666A AT287803B AT 287803 B AT287803 B AT 287803B AT 1089666 A AT1089666 A AT 1089666A AT 1089666 A AT1089666 A AT 1089666A AT 287803 B AT287803 B AT 287803B
Authority
AT
Austria
Prior art keywords
amplitude
phase
receiving
circuit arrangement
frequency signals
Prior art date
Application number
AT1089666A
Other languages
English (en)
Original Assignee
Int Standard Electric Corp
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
Priority claimed from DEST22923A external-priority patent/DE1218020B/de
Application filed by Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of AT287803B publication Critical patent/AT287803B/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/06—Means for changing frequency deviation
    • 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
    • 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
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
    • H03D3/003—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback
    • H03D3/004—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback wherein the demodulated signal is used for controlling an oscillator, e.g. the local oscillator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D5/00—Circuits for demodulating amplitude-modulated or angle-modulated oscillations at will
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
    • H04B15/06—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder by local oscillators of receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Superheterodyne Receivers (AREA)
  • Amplifiers (AREA)
AT1089666A 1964-11-10 1966-11-25 Schaltungsanordnung zum Empfang von insbesondere amplituden- und/oder phasenmodulierten Hochfrequenzsignalen AT287803B (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DEST22923A DE1218020B (de) 1964-11-10 1964-11-10 Verfahren zur Demodulation einer hochfrequenten elektrischen Schwingung
DEST22927A DE1254200B (de) 1964-11-10 1964-11-11 Synchrodynempfaenger fuer hochfrequente elektrische Schwingungen
DEST023659 1965-04-09
DE1965ST024726 DE1283928C2 (de) 1964-11-10 1965-12-03 Synchrodynempfaenger fuer hochfrequente elektrische schwingungen

Publications (1)

Publication Number Publication Date
AT287803B true AT287803B (de) 1971-02-10

Family

ID=27437448

Family Applications (3)

Application Number Title Priority Date Filing Date
AT995265A AT279690B (de) 1964-11-10 1965-11-03 Schaltungsanordnung zum Empfang von insbesondere amplituden- und/oder phasenmodulierten Hochfrequenzsignalen
AT995165A AT280374B (de) 1964-11-10 1965-11-03 Einrichtung zur Demodulation eines Signals
AT1089666A AT287803B (de) 1964-11-10 1966-11-25 Schaltungsanordnung zum Empfang von insbesondere amplituden- und/oder phasenmodulierten Hochfrequenzsignalen

Family Applications Before (2)

Application Number Title Priority Date Filing Date
AT995265A AT279690B (de) 1964-11-10 1965-11-03 Schaltungsanordnung zum Empfang von insbesondere amplituden- und/oder phasenmodulierten Hochfrequenzsignalen
AT995165A AT280374B (de) 1964-11-10 1965-11-03 Einrichtung zur Demodulation eines Signals

Country Status (4)

Country Link
AT (3) AT279690B (de)
DE (3) DE1254200B (de)
FI (1) FI47703C (de)
FR (1) FR1466385A (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB518480A (en) * 1938-07-23 1940-02-28 John Emyr Rhys Jones Improvements in or relating to electrical frequency-dependent control means, primarily for radio apparatus
DE864411C (de) * 1942-05-19 1953-01-26 Patelhold Patentverwertung Einrichtung zur Verringerung der Verstimmung eines Generators
BE482631A (de) * 1946-03-04
GB662754A (en) * 1947-12-05 1951-12-12 Philips Nv Improvements in or relating to circuits for automatic frequency-correction

Also Published As

Publication number Publication date
DE1254200B (de) 1967-11-16
AT279690B (de) 1970-03-10
FR1466385A (fr) 1967-01-20
DE1283928C2 (de) 1976-03-25
DE1283928B (de) 1968-11-28
FI47703B (de) 1973-10-31
AT280374B (de) 1970-04-10
FI47703C (fi) 1974-02-11
DE1466420A1 (de) 1969-07-17

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Legal Events

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