ES252334A1 - Improvements in or relating to push-pull phase detectors - Google Patents

Improvements in or relating to push-pull phase detectors

Info

Publication number
ES252334A1
ES252334A1 ES0252334A ES252334A ES252334A1 ES 252334 A1 ES252334 A1 ES 252334A1 ES 0252334 A ES0252334 A ES 0252334A ES 252334 A ES252334 A ES 252334A ES 252334 A1 ES252334 A1 ES 252334A1
Authority
ES
Spain
Prior art keywords
rectifiers
circuit elements
command signal
arrangement
rectifier
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
ES0252334A
Other languages
Spanish (es)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES252334A1 publication Critical patent/ES252334A1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
    • H03D13/005—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which one of the oscillations is, or is converted into, a signal having a special waveform, e.g. triangular
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
    • H04N5/126—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal indirectly commands a frequency generator

Abstract

Arrangement of circuits to produce a regulatory signal as a function of the phase difference between a command signal and a reference signal, an arrangement comprising at least two rectifiers and their associated circuit elements, in which the sum of the two signals is supplied to an input terminal of a rectifier and the difference is supplied to an input terminal of the other rectifier, the two output terminals of the rectifiers being coupled to an output capacitor; said circuit arrangement characterized by the fact that the circuit elements comprise at least one blocking capacitor which, together with the apparent parallel combination of two known resistors, also associated with the circuit elements and connected in series between the two rectifiers, constitute a capture or retention system equipped with a time constant greater (for example, 5 to 10 times greater) than a period of the command signal, also having an auxiliary source of voltage of value and polarity such that the two rectifiers are blocked when the command signal disappears. (Machine-translation by Google Translate, not legally binding)
ES0252334A 1958-09-30 1959-09-26 Improvements in or relating to push-pull phase detectors Expired ES252334A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL231829 1958-09-30

Publications (1)

Publication Number Publication Date
ES252334A1 true ES252334A1 (en) 1960-03-16

Family

ID=19751368

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0252334A Expired ES252334A1 (en) 1958-09-30 1959-09-26 Improvements in or relating to push-pull phase detectors

Country Status (6)

Country Link
CH (1) CH389680A (en)
DE (1) DE1085911B (en)
ES (1) ES252334A1 (en)
FR (1) FR1244494A (en)
GB (1) GB915293A (en)
NL (2) NL231829A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1317588A (en) 1961-03-13 1963-05-08
CH423906A (en) * 1965-08-20 1966-11-15 Siemens Ag Albis Phase discriminator for two electrical oscillations of the same frequency
WO1984000089A1 (en) * 1982-06-14 1984-01-05 Western Electric Co Timing recovery circuit

Also Published As

Publication number Publication date
CH389680A (en) 1965-03-31
NL231829A (en)
GB915293A (en) 1963-01-09
DE1085911B (en) 1960-07-28
NL98138C (en)
FR1244494A (en) 1960-10-28

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