GB1482045A - Demodulation of frequency modulated oscillations - Google Patents

Demodulation of frequency modulated oscillations

Info

Publication number
GB1482045A
GB1482045A GB9660/75A GB966075A GB1482045A GB 1482045 A GB1482045 A GB 1482045A GB 9660/75 A GB9660/75 A GB 9660/75A GB 966075 A GB966075 A GB 966075A GB 1482045 A GB1482045 A GB 1482045A
Authority
GB
United Kingdom
Prior art keywords
primary
resonant circuit
march
demodulator
output
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.)
Expired
Application number
GB9660/75A
Other languages
English (en)
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.)
Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH
Original Assignee
Grundig EMV Elektromechanische Versuchsanstalt Max Grundig 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 Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH filed Critical Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH
Publication of GB1482045A publication Critical patent/GB1482045A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/18Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of synchronous gating arrangements
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/22Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of active elements with more than two electrodes to which two signals are applied derived from the signal to be demodulated and having a phase difference related to the frequency deviation, e.g. phase detector
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041Functional aspects of demodulators
    • H03D2200/0082Quadrature arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
GB9660/75A 1974-03-07 1975-03-07 Demodulation of frequency modulated oscillations Expired GB1482045A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2410779A DE2410779B1 (de) 1974-03-07 1974-03-07 Schaltung zur Demodulation FMmodulierter Schwingungen mit einem Quadraturdemodulator

Publications (1)

Publication Number Publication Date
GB1482045A true GB1482045A (en) 1977-08-03

Family

ID=5909289

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9660/75A Expired GB1482045A (en) 1974-03-07 1975-03-07 Demodulation of frequency modulated oscillations

Country Status (6)

Country Link
AT (1) AT360087B (enExample)
DE (1) DE2410779B1 (enExample)
FR (1) FR2263636B3 (enExample)
GB (1) GB1482045A (enExample)
IT (1) IT1033293B (enExample)
NL (1) NL7501507A (enExample)

Also Published As

Publication number Publication date
FR2263636A1 (enExample) 1975-10-03
FR2263636B3 (enExample) 1977-10-28
AT360087B (de) 1980-12-29
IT1033293B (it) 1979-07-10
ATA106475A (de) 1980-05-15
DE2410779B1 (de) 1975-07-03
NL7501507A (nl) 1975-09-09

Similar Documents

Publication Publication Date Title
ES487141A1 (es) Conexion digital de regulacion de fases con una conexion - auxiliar, especialmente para sintonizadores de aparatos de -television.
KR830002221A (ko) 자동교정된 부반송파 원격측정 시스템
US3835404A (en) Extracting circuit for reproducing carrier signals from a multiphase modulated signal
JPS58112979U (ja) 送信機によつて発生された搬送波と側帯波との位相を制御する装置
GB1482045A (en) Demodulation of frequency modulated oscillations
GB473618A (en) Improved automatic tuning control means for modulated carrier wave receivers
GB621850A (en) Radio frequency telegraph and like communication systems
US6392501B1 (en) Method and arrangement for tuning a resonator
GB470543A (en) Improvements in phase shifting circuits for radio and like purposes and in systems embodying such circuits
US2561089A (en) Frequency modulation ratio detector
US4180777A (en) Tuning meter for use with a pulse count FM demodulation circuit
GB988800A (en) Improvements in or relating to electrically tunable resonant circuit arrangements
US2682035A (en) Linear frequency shift keying circuit
GB596519A (en) Improvements in detector circuits for angle-modulated oscillations
US3585513A (en) Frequency modulation discriminator having first branch with resonator and second branch providing voltage and temperature compensation
JPS57201308A (en) Frequency demodulating circuit
GB1259705A (en) Improvements in or relating to h.f. transmitters and receivers
GB621694A (en) Improvements in or relating to frequency discriminator circuit arrangements
ATE45450T1 (de) Fm-funkempfaenger.
JPS5478053A (en) Filter circuit
GB615536A (en) Improvements in frequency discriminators
JPS5837154Y2 (ja) Fm信号受信回路
EP0158210A3 (en) Ratio discriminator
JPS6446351A (en) Digital signal receiver
GB818180A (en) Improvements in or relating to transmitters for a.c. telegraphy

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee