GB1341128A - Detection circuit for frequency-modulated signals - Google Patents

Detection circuit for frequency-modulated signals

Info

Publication number
GB1341128A
GB1341128A GB2308571*A GB2308571A GB1341128A GB 1341128 A GB1341128 A GB 1341128A GB 2308571 A GB2308571 A GB 2308571A GB 1341128 A GB1341128 A GB 1341128A
Authority
GB
United Kingdom
Prior art keywords
phase
frequency
signal
input
circuit
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
GB2308571*A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1341128A publication Critical patent/GB1341128A/en
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplitude Modulation (AREA)
  • Networks Using Active Elements (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB2308571*A 1970-03-07 1971-04-19 Detection circuit for frequency-modulated signals Expired GB1341128A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7003280.A NL161933C (nl) 1970-03-07 1970-03-07 Detectieschakeling voor frequentiegemoduleerde signalen.

Publications (1)

Publication Number Publication Date
GB1341128A true GB1341128A (en) 1973-12-19

Family

ID=19809526

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2308571*A Expired GB1341128A (en) 1970-03-07 1971-04-19 Detection circuit for frequency-modulated signals

Country Status (5)

Country Link
US (1) US3702442A (https=)
JP (1) JPS5141467B1 (https=)
FR (1) FR2081765B1 (https=)
GB (1) GB1341128A (https=)
NL (1) NL161933C (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55153405A (en) * 1979-05-18 1980-11-29 Sanyo Electric Co Ltd Fm detection circuit
JPS58122451A (ja) * 1982-01-18 1983-07-21 Toyota Motor Corp 内部欠陥検査法
EP0143556B2 (en) * 1983-11-18 1996-03-06 Plessey Overseas Limited Improvements relating to frequency modulation detectors
NL8502967A (nl) * 1985-09-19 1987-04-16 Philips Nv Hoekdemodulator.
JP2523988B2 (ja) * 1990-11-28 1996-08-14 松下電器産業株式会社 直角検波装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3044020A (en) * 1959-07-07 1962-07-10 Vector Mfg Co Inc Frequency or phase shift demodulator
US3241078A (en) * 1963-06-18 1966-03-15 Honeywell Inc Dual output synchronous detector utilizing transistorized differential amplifiers

Also Published As

Publication number Publication date
NL7003280A (https=) 1971-09-09
NL161933C (nl) 1980-03-17
JPS5141467B1 (https=) 1976-11-10
US3702442A (en) 1972-11-07
DE2106532A1 (de) 1971-09-23
FR2081765B1 (https=) 1974-08-19
FR2081765A1 (https=) 1971-12-10
DE2106532B2 (de) 1976-02-19
NL161933B (nl) 1979-10-15

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Legal Events

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