CA1050125A - Synchronous demodulator circuit - Google Patents

Synchronous demodulator circuit

Info

Publication number
CA1050125A
CA1050125A CA222,248A CA222248A CA1050125A CA 1050125 A CA1050125 A CA 1050125A CA 222248 A CA222248 A CA 222248A CA 1050125 A CA1050125 A CA 1050125A
Authority
CA
Canada
Prior art keywords
input terminal
inverting input
signals
signal
phase
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
CA222,248A
Other languages
English (en)
French (fr)
Other versions
CA222248S (en
Inventor
David A. Fox
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse 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
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA1050125A publication Critical patent/CA1050125A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for AC mains or AC distribution networks
    • H02J3/04—Arrangements for connecting networks of the same frequency but supplied from different sources
    • H02J3/08—Synchronisation of networks
    • 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)
  • Amplifiers (AREA)
  • Control Of Eletrric Generators (AREA)
CA222,248A 1974-04-11 1975-03-17 Synchronous demodulator circuit Expired CA1050125A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US460252A US3879670A (en) 1974-04-11 1974-04-11 Synchronous demodulator circuit

Publications (1)

Publication Number Publication Date
CA1050125A true CA1050125A (en) 1979-03-06

Family

ID=23827953

Family Applications (1)

Application Number Title Priority Date Filing Date
CA222,248A Expired CA1050125A (en) 1974-04-11 1975-03-17 Synchronous demodulator circuit

Country Status (6)

Country Link
US (1) US3879670A (ref)
JP (1) JPS50139665A (ref)
CA (1) CA1050125A (ref)
DE (1) DE2515538A1 (ref)
FR (1) FR2267656A1 (ref)
GB (1) GB1498725A (ref)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8105465A (nl) * 1981-12-04 1983-07-01 Philips Nv Synchrone demodulatieschakeling voor een, door een videosignaal in amplitude gemoduleerde draaggolf.
US4510399A (en) * 1982-10-07 1985-04-09 Westinghouse Electric Corp. Demodulator circuit for parallel AC power systems
US4728806A (en) * 1986-12-05 1988-03-01 Westinghouse Electric Corp. DC link variable speed constant frequency power source paralleling controls
US4731690A (en) * 1986-12-05 1988-03-15 Westinghouse Electrical Corp. Real load unbalance protection system for parallel variable speed constant frequency electrical power systems
US5550507A (en) * 1995-10-03 1996-08-27 U.S. Philips Corporation Demodulator employing cyclic switching of the gain factor of an operational amplifier between different predetermined values

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE336815B (ref) * 1969-11-06 1971-07-19 Ericsson Telefon Ab L M
US3699461A (en) * 1971-09-27 1972-10-17 Collins Radio Co Analog harmonic rejecting phase detector

Also Published As

Publication number Publication date
JPS50139665A (ref) 1975-11-08
FR2267656A1 (ref) 1975-11-07
DE2515538A1 (de) 1975-10-30
US3879670A (en) 1975-04-22
GB1498725A (en) 1978-01-25

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