GB1433540A - Phase detector circuits - Google Patents

Phase detector circuits

Info

Publication number
GB1433540A
GB1433540A GB4448773A GB4448773A GB1433540A GB 1433540 A GB1433540 A GB 1433540A GB 4448773 A GB4448773 A GB 4448773A GB 4448773 A GB4448773 A GB 4448773A GB 1433540 A GB1433540 A GB 1433540A
Authority
GB
United Kingdom
Prior art keywords
phase detector
outputs
detector circuits
limiters
rectifiers
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
GB4448773A
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB1433540A publication Critical patent/GB1433540A/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
    • H03D13/007—Circuits for comparing the phase or frequency of two mutually-independent oscillations by analog multiplication of the oscillations or by performing a similar analog operation on the oscillations
    • H03D13/008—Circuits for comparing the phase or frequency of two mutually-independent oscillations by analog multiplication of the oscillations or by performing a similar analog operation on the oscillations using transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0001—Circuit elements of demodulators
    • H03D2200/0009—Emitter or source coupled transistor pairs or long tail pairs

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Measuring Phase Differences (AREA)
  • Manipulation Of Pulses (AREA)
GB4448773A 1972-10-04 1973-09-21 Phase detector circuits Expired GB1433540A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47099032A JPS4958737A (enExample) 1972-10-04 1972-10-04

Publications (1)

Publication Number Publication Date
GB1433540A true GB1433540A (en) 1976-04-28

Family

ID=14235998

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4448773A Expired GB1433540A (en) 1972-10-04 1973-09-21 Phase detector circuits

Country Status (6)

Country Link
US (1) US3840817A (enExample)
JP (1) JPS4958737A (enExample)
DE (1) DE2349968A1 (enExample)
FR (1) FR2202402B1 (enExample)
GB (1) GB1433540A (enExample)
NL (1) NL7313007A (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001603A (en) * 1976-02-25 1977-01-04 National Semiconductor Corporation Emitter load switching circuit
US4349756A (en) * 1981-02-17 1982-09-14 Motorola, Inc. Phase detector with low offsets
US4435657A (en) 1981-02-27 1984-03-06 Tokyo Shibaura Denki Kabushiki Kaisha Phase detector circuit
US4636662A (en) * 1984-11-14 1987-01-13 The Superior Electric Company Method and means for increasing the frequency of update of direction information contained in two sine waves in quadrature
US4887042A (en) * 1988-07-22 1989-12-12 Keate Christopher R High speed multi-channel phase detector
NL8802531A (nl) * 1988-10-14 1990-05-01 Philips Nv Fasedetector en frequentiedemodulator voorzien van zulk een fasedetector.
US4908868A (en) * 1989-02-21 1990-03-13 Mctaggart James E Phase polarity test instrument and method
US6888379B2 (en) * 2000-10-11 2005-05-03 Ntt Electronics Corporation Phase comparator circuit
US7039201B1 (en) 2000-10-31 2006-05-02 Leetronics Corporation Audio signal phase detection system and method
EP1388850A1 (en) * 2002-08-06 2004-02-11 Deutsche Thomson-Brandt GmbH Method for detecting a wobble signal
EP2319173B1 (en) * 2008-08-27 2012-01-25 Nxp B.V. Phase-detector for detecting phase difference of pi/2n

Also Published As

Publication number Publication date
FR2202402A1 (enExample) 1974-05-03
FR2202402B1 (enExample) 1976-11-19
NL7313007A (enExample) 1974-04-08
DE2349968A1 (de) 1974-05-09
US3840817A (en) 1974-10-08
JPS4958737A (enExample) 1974-06-07

Similar Documents

Publication Publication Date Title
GB1207628A (en) Traffic control apparatus
GB1204617A (en) Circuit providing a floating output
GB1343238A (en) Unique word detection in digital burst communications systems
GB1355160A (en) Data receiving circuit
GB1020937A (en) Improvements in or relating to apparatus for generating digital signals representingthe magnitude of an applied analogue signal
GB1357942A (en) Frequency shift keyed data receiving means and discriminators which can be used in such receiving means
GB1190416A (en) Pulse Width Modulation Servo Amplifier
GB1429921A (en) Phase correlator
GB1196808A (en) Automatic Control of the Phase Angle and the Amplitude of a Periodical Signal.
GB1362995A (en) Angle modulation detector
US3706048A (en) Indirect frequency multiplication system
GB1239466A (enExample)
GB1270456A (en) Radio receiving apparatus
GB1128738A (en) A phase-lock demodulator
GB1298669A (en) Improvements in apparatus for signalling angular displacement
GB945269A (en) Balanced frequency detector circuit
GB1356451A (en) Synchronous detecting devices
GB1211056A (en) Laminated vortex fluid amplifier
CA974672A (en) System for processing and generating frequency-modulated signals
ES417982A1 (es) Perfeccionamientos en la construccion de aparatos para des-modular senales moduladas en frecuencia.
GB1020375A (en) Improvements in synchronous detection circuits
GB1304895A (enExample)
GB1425019A (en) Electronic phase-sensitive detector circuit arrangements
GB1233168A (enExample)
GB1461515A (en) Phase detectors

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees