SE317111B - - Google Patents

Info

Publication number
SE317111B
SE317111B SE9919/65A SE991965A SE317111B SE 317111 B SE317111 B SE 317111B SE 9919/65 A SE9919/65 A SE 9919/65A SE 991965 A SE991965 A SE 991965A SE 317111 B SE317111 B SE 317111B
Authority
SE
Sweden
Application number
SE9919/65A
Inventor
T Haggai
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of SE317111B publication Critical patent/SE317111B/xx

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
    • H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
    • H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
    • H03D3/242—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop combined with means for controlling the frequency of a further oscillator, e.g. for negative frequency feedback or AFC
    • 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
    • H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Radio Relay Systems (AREA)
  • Superheterodyne Receivers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
SE9919/65A 1964-07-29 1965-07-28 SE317111B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US385941A US3346814A (en) 1964-07-29 1964-07-29 Dual loop demodulator including a phase lock loop and an afc loop

Publications (1)

Publication Number Publication Date
SE317111B true SE317111B (xx) 1969-11-10

Family

ID=23523521

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9919/65A SE317111B (xx) 1964-07-29 1965-07-28

Country Status (4)

Country Link
US (1) US3346814A (xx)
DE (1) DE1265797B (xx)
GB (1) GB1104956A (xx)
SE (1) SE317111B (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3657661A (en) * 1970-06-16 1972-04-18 Itt Fm demodulator system
US4077015A (en) * 1976-01-06 1978-02-28 Motorola, Inc. Dual bandwidth loop filter with sweep generator
US4354277A (en) * 1979-11-23 1982-10-12 Trw Inc. Signal acquisition system
US4348772A (en) * 1979-11-26 1982-09-07 Bell Telephone Laboratories, Incorporated Frequency stabilization circuit for a local oscillator
US4392254A (en) * 1980-09-29 1983-07-05 Motorola Inc. Mechanical tuner with microphonics elimination circuitry
US4514706A (en) * 1982-09-24 1985-04-30 Rockwell International Corporation Second or higher order PLL with increased low and medium frequency gain
JPS5957534A (ja) * 1982-09-27 1984-04-03 Alps Electric Co Ltd 衛星放送用受信器の屋内ユニツト
US4580107A (en) * 1984-06-06 1986-04-01 The United States Of America As Represented By The Secretary Of The Air Force Phase lock acquisition system having FLL for coarse tuning and PLL for fine tuning
US4855689A (en) * 1987-02-13 1989-08-08 Hughes Aircraft Company Phase lock loop with switchable filter for acquisition and tracking modes
US4991226A (en) * 1989-06-13 1991-02-05 Bongiorno James W FM detector with deviation manipulation
US5097230A (en) * 1990-05-24 1992-03-17 Emhiser Research Limited Phase locked loop that includes D. C. modulation
US5091706A (en) * 1990-05-24 1992-02-25 Emhiser Research Limited Phase locked loop with D.C. modulation and use in receiver

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR958675A (xx) * 1946-02-05 1950-03-17
BE484014A (xx) * 1947-09-26
GB858888A (en) * 1959-05-21 1961-01-18 Marconi Wireless Telegraph Co Improvements in or relating to automatic frequency control systems
US3209271A (en) * 1961-08-17 1965-09-28 Radiation Inc Phase-locked loops
US3163823A (en) * 1963-12-04 1964-12-29 Electronic Eng Co Digital receiver tuning system
US3212023A (en) * 1964-05-07 1965-10-12 Collins Radio Co Digital stabilized master oscillator with auxiliary high frequency loop

Also Published As

Publication number Publication date
DE1265797B (de) 1968-04-11
GB1104956A (en) 1968-03-06
US3346814A (en) 1967-10-10

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