GB551970A - Improvements in combined carrier-signal frequency detectors and control-voltage supply systems - Google Patents

Improvements in combined carrier-signal frequency detectors and control-voltage supply systems

Info

Publication number
GB551970A
GB551970A GB1658/42A GB165842A GB551970A GB 551970 A GB551970 A GB 551970A GB 1658/42 A GB1658/42 A GB 1658/42A GB 165842 A GB165842 A GB 165842A GB 551970 A GB551970 A GB 551970A
Authority
GB
United Kingdom
Prior art keywords
control
resistances
voltage
resistance
gain
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
GB1658/42A
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.)
BAE Systems Aerospace Inc
Original Assignee
Hazeltine 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 Hazeltine Corp filed Critical Hazeltine Corp
Publication of GB551970A publication Critical patent/GB551970A/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
    • H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
    • H03D3/08—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of diodes, e.g. Foster-Seeley discriminator

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Rectifiers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
GB1658/42A 1940-11-13 1942-02-07 Improvements in combined carrier-signal frequency detectors and control-voltage supply systems Expired GB551970A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US365442A US2276488A (en) 1940-11-13 1940-11-13 Frequency detector and control voltage supply

Publications (1)

Publication Number Publication Date
GB551970A true GB551970A (en) 1943-03-17

Family

ID=23438930

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1658/42A Expired GB551970A (en) 1940-11-13 1942-02-07 Improvements in combined carrier-signal frequency detectors and control-voltage supply systems

Country Status (4)

Country Link
US (1) US2276488A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR877358A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB551970A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL103767B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2477391A (en) * 1944-11-24 1949-07-26 Avco Mfg Corp Radio receiving system
US2501120A (en) * 1945-04-26 1950-03-21 Rca Corp Frequency modulation receiver tuning aid
US2533496A (en) * 1946-04-18 1950-12-12 Motorola Inc Low-level bridge discriminator
US2498954A (en) * 1946-05-07 1950-02-28 Panoramic Radio Corp Panoramic receiver with means for modifying signal pulses applied to indicators

Also Published As

Publication number Publication date
NL103767B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR877358A (fr) 1942-12-04
US2276488A (en) 1942-03-17

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