JPS5474663A - Detector circuit of quadrature type - Google Patents

Detector circuit of quadrature type

Info

Publication number
JPS5474663A
JPS5474663A JP14235777A JP14235777A JPS5474663A JP S5474663 A JPS5474663 A JP S5474663A JP 14235777 A JP14235777 A JP 14235777A JP 14235777 A JP14235777 A JP 14235777A JP S5474663 A JPS5474663 A JP S5474663A
Authority
JP
Japan
Prior art keywords
circuit
detector circuit
quadrature type
phase
signal
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.)
Granted
Application number
JP14235777A
Other languages
Japanese (ja)
Other versions
JPS6023525B2 (en
Inventor
Yuji Komori
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP14235777A priority Critical patent/JPS6023525B2/en
Publication of JPS5474663A publication Critical patent/JPS5474663A/en
Publication of JPS6023525B2 publication Critical patent/JPS6023525B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Amplifiers (AREA)
  • Processing Of Color Television Signals (AREA)

Abstract

PURPOSE: To improve the performance of detection, by avoiding the detuning through the addition of a simple phase correction circuit.
CONSTITUTION: The signal to the lower differential amplifying circuit DA2 being the switching section of the quadrature type detector circuit Q-DET is delayed for the phase than that of the signal to the tuning circuit (detection coil), by means of the capacitor C added as the phase correction circuit PC. Thus, consequently, the phase difference bwtween 3 and 2 can correctly be made to 90°.
COPYRIGHT: (C)1979,JPO&Japio
JP14235777A 1977-11-28 1977-11-28 Quadrature type detection circuit Expired JPS6023525B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14235777A JPS6023525B2 (en) 1977-11-28 1977-11-28 Quadrature type detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14235777A JPS6023525B2 (en) 1977-11-28 1977-11-28 Quadrature type detection circuit

Publications (2)

Publication Number Publication Date
JPS5474663A true JPS5474663A (en) 1979-06-14
JPS6023525B2 JPS6023525B2 (en) 1985-06-07

Family

ID=15313487

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14235777A Expired JPS6023525B2 (en) 1977-11-28 1977-11-28 Quadrature type detection circuit

Country Status (1)

Country Link
JP (1) JPS6023525B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5797245A (en) * 1980-10-15 1982-06-16 Nat Semiconductor Corp Am stereophase modulation decoder

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02256754A (en) * 1989-03-29 1990-10-17 Natl House Ind Co Ltd Fixing hardware for roof panel
JPH02129519U (en) * 1989-03-29 1990-10-25

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5797245A (en) * 1980-10-15 1982-06-16 Nat Semiconductor Corp Am stereophase modulation decoder
JPH0417490B2 (en) * 1980-10-15 1992-03-26 Nat Semiconductor Corp

Also Published As

Publication number Publication date
JPS6023525B2 (en) 1985-06-07

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