KR780000461B1 - Fm demodulator - Google Patents

Fm demodulator

Info

Publication number
KR780000461B1
KR780000461B1 KR7301345A KR730001345A KR780000461B1 KR 780000461 B1 KR780000461 B1 KR 780000461B1 KR 7301345 A KR7301345 A KR 7301345A KR 730001345 A KR730001345 A KR 730001345A KR 780000461 B1 KR780000461 B1 KR 780000461B1
Authority
KR
South Korea
Prior art keywords
demodulator
Prior art date
Application number
KR7301345A
Other languages
English (en)
Inventor
Boltz, Jr
D Charles
Original Assignee
Rca 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
Application filed by Rca Corp filed Critical Rca Corp
Application granted granted Critical
Publication of KR780000461B1 publication Critical patent/KR780000461B1/ko

Links

Classifications

    • 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
    • H03D3/18—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of synchronous gating arrangements
    • H03D3/20—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of synchronous gating arrangements producing pulses whose amplitude or duration depends on phase difference
    • 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
    • H03D3/04—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by counting or integrating cycles of oscillations

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Television Signal Processing For Recording (AREA)
  • Circuits Of Receivers In General (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Manipulation Of Pulses (AREA)
KR7301345A 1972-08-18 1973-08-18 Fm demodulator KR780000461B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3870872A GB1437325A (en) 1972-08-18 1972-08-18 Fm demodulator

Publications (1)

Publication Number Publication Date
KR780000461B1 true KR780000461B1 (en) 1978-10-23

Family

ID=10405204

Family Applications (1)

Application Number Title Priority Date Filing Date
KR7301345A KR780000461B1 (en) 1972-08-18 1973-08-18 Fm demodulator

Country Status (11)

Country Link
US (1) US3878470A (ko)
JP (1) JPS49132962A (ko)
KR (1) KR780000461B1 (ko)
CA (1) CA1024220A (ko)
DE (1) DE2342053B2 (ko)
ES (1) ES417982A1 (ko)
FR (1) FR2196554B1 (ko)
GB (1) GB1437325A (ko)
IT (1) IT993010B (ko)
NL (1) NL7311132A (ko)
SE (1) SE393497B (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58137307A (ja) * 1982-02-10 1983-08-15 Hitachi Ltd パルスカウントｆｍ検波回路
JPS59193609A (ja) * 1983-04-18 1984-11-02 Hitachi Ltd Ｆｍ復調回路
US4541105A (en) * 1984-03-23 1985-09-10 Sundstrand Data Control, Inc. Counting apparatus and method for frequency sampling
US4629994A (en) * 1984-06-15 1986-12-16 Matsushita Electric Industrial Co., Ltd. FM demodulator
US4614912A (en) * 1985-06-05 1986-09-30 Eastman Kodak Company FM demodulator with temperature compensation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB727439A (en) * 1953-01-27 1955-03-30 Gen Electric Co Ltd Improvements in or relating to electric pulse generators
US2961611A (en) * 1957-01-17 1960-11-22 Epsco Inc Frequency discriminator
NL129839C (ko) * 1962-08-02
US3244991A (en) * 1962-12-07 1966-04-05 Cons Electrodynamics Corp Demodulator for fm signals utilizing pulse forming circuitry
US3233181A (en) * 1963-01-28 1966-02-01 Ibm Frequency shift signal demodulator
US3327226A (en) * 1964-11-16 1967-06-20 Hewlett Packard Co Anticoincidence circuit
US3392337A (en) * 1965-02-09 1968-07-09 Continental Electronics Mfg Wide band frequency discriminator employing a constant delay
US3514705A (en) * 1965-08-04 1970-05-26 Collins Radio Co Digital subtractor circuit
FR1554371A (ko) * 1967-03-29 1969-01-17
US3699461A (en) * 1971-09-27 1972-10-17 Collins Radio Co Analog harmonic rejecting phase detector

Also Published As

Publication number Publication date
AU5915573A (en) 1975-02-13
CA1024220A (en) 1978-01-10
JPS49132962A (ko) 1974-12-20
DE2342053A1 (de) 1974-02-28
FR2196554B1 (ko) 1977-01-21
DE2342053B2 (de) 1975-08-14
ES417982A1 (es) 1976-03-16
SE393497B (sv) 1977-05-09
IT993010B (it) 1975-09-30
US3878470A (en) 1975-04-15
FR2196554A1 (ko) 1974-03-15
NL7311132A (ko) 1974-02-20
GB1437325A (en) 1976-05-26

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