CH224325A - Circuit that enables the demodulation of frequency-modulated carrier waves. - Google Patents

Circuit that enables the demodulation of frequency-modulated carrier waves.

Info

Publication number
CH224325A
CH224325A CH224325DA CH224325A CH 224325 A CH224325 A CH 224325A CH 224325D A CH224325D A CH 224325DA CH 224325 A CH224325 A CH 224325A
Authority
CH
Switzerland
Prior art keywords
demodulation
enables
frequency
circuit
carrier waves
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 Nv filed Critical Philips Nv
Publication of CH224325A publication Critical patent/CH224325A/en

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
    • H03D3/22—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of active elements with more than two electrodes to which two signals are applied derived from the signal to be demodulated and having a phase difference related to the frequency deviation, e.g. phase detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
CH224325D 1940-04-06 1941-11-11 Circuit that enables the demodulation of frequency-modulated carrier waves. CH224325A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US328354A US2263615A (en) 1940-04-06 1940-04-06 Frequency modulation detector

Publications (1)

Publication Number Publication Date
CH224325A true CH224325A (en) 1942-11-15

Family

ID=23280642

Family Applications (1)

Application Number Title Priority Date Filing Date
CH224325D CH224325A (en) 1940-04-06 1941-11-11 Circuit that enables the demodulation of frequency-modulated carrier waves.

Country Status (2)

Country Link
US (1) US2263615A (en)
CH (1) CH224325A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416795A (en) * 1943-06-07 1947-03-04 Rca Corp Phase or amplitude modulation receiver
US2445996A (en) * 1945-01-13 1948-07-27 Philco Corp Frequency modulation detector circuit
BE478151A (en) * 1946-11-02
NL66481C (en) * 1947-01-14
US2497571A (en) * 1947-11-29 1950-02-14 Philco Corp Frequency detector and frequency control circuits

Also Published As

Publication number Publication date
US2263615A (en) 1941-11-25

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