JPS5419641A - Fm demodulation circuit by phase tracking loop system - Google Patents

Fm demodulation circuit by phase tracking loop system

Info

Publication number
JPS5419641A
JPS5419641A JP8489177A JP8489177A JPS5419641A JP S5419641 A JPS5419641 A JP S5419641A JP 8489177 A JP8489177 A JP 8489177A JP 8489177 A JP8489177 A JP 8489177A JP S5419641 A JPS5419641 A JP S5419641A
Authority
JP
Japan
Prior art keywords
demodulation circuit
loop system
phase tracking
tracking loop
filter
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
JP8489177A
Other languages
Japanese (ja)
Other versions
JPS628962B2 (en
Inventor
Teruo Muraoka
Yukinobu Ishigaki
Masaki Hagiwara
Takeo Nasu
Kunihiro Kato
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP8489177A priority Critical patent/JPS5419641A/en
Priority to US05/924,554 priority patent/US4198609A/en
Priority to DE2831091A priority patent/DE2831091C2/en
Priority to GB7829836A priority patent/GB2001217B/en
Priority to FR7821632A priority patent/FR2397749A1/en
Publication of JPS5419641A publication Critical patent/JPS5419641A/en
Publication of JPS628962B2 publication Critical patent/JPS628962B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

PURPOSE: To make unnecessary the Hilbert filter by using a variable LPF as a tracking filter, and to obtain excellent operation even at high frequency band for such as tuners.
COPYRIGHT: (C)1979,JPO&Japio
JP8489177A 1977-07-15 1977-07-15 Fm demodulation circuit by phase tracking loop system Granted JPS5419641A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP8489177A JPS5419641A (en) 1977-07-15 1977-07-15 Fm demodulation circuit by phase tracking loop system
US05/924,554 US4198609A (en) 1977-07-15 1978-07-14 Phase tracked loop frequency demodulator
DE2831091A DE2831091C2 (en) 1977-07-15 1978-07-14 Frequency demodulator with a phase tracking loop
GB7829836A GB2001217B (en) 1977-07-15 1978-07-14 Phase tracked loop frequency demodulator
FR7821632A FR2397749A1 (en) 1977-07-15 1978-07-17 PHASE LOCK LOOP FREQUENCY DEMODULATOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8489177A JPS5419641A (en) 1977-07-15 1977-07-15 Fm demodulation circuit by phase tracking loop system

Publications (2)

Publication Number Publication Date
JPS5419641A true JPS5419641A (en) 1979-02-14
JPS628962B2 JPS628962B2 (en) 1987-02-25

Family

ID=13843366

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8489177A Granted JPS5419641A (en) 1977-07-15 1977-07-15 Fm demodulation circuit by phase tracking loop system

Country Status (1)

Country Link
JP (1) JPS5419641A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55165005A (en) * 1979-06-11 1980-12-23 Sony Corp Fm detection circuit
JPS57203303A (en) * 1981-06-09 1982-12-13 Fujitsu Ten Ltd Frequency-voltage converter
JPS61146607A (en) * 1984-12-19 1986-07-04 ザ　グツドイアー　タイヤ　アンド　ラバー　コンパニー Pneumatic tire and manufacture thereof
JPS62108603A (en) * 1985-11-06 1987-05-19 Nec Corp Fm detection circuit
JPS62127112U (en) * 1986-01-31 1987-08-12
JPS62203701U (en) * 1986-06-17 1987-12-25

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01103576U (en) * 1987-12-28 1989-07-13

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55165005A (en) * 1979-06-11 1980-12-23 Sony Corp Fm detection circuit
JPS57203303A (en) * 1981-06-09 1982-12-13 Fujitsu Ten Ltd Frequency-voltage converter
JPS6329842B2 (en) * 1981-06-09 1988-06-15 Fujitsu Ten Ltd
JPS61146607A (en) * 1984-12-19 1986-07-04 ザ　グツドイアー　タイヤ　アンド　ラバー　コンパニー Pneumatic tire and manufacture thereof
JPH0362561B2 (en) * 1984-12-19 1991-09-26 Gutsudoiyaa Taiya Ando Rabaa Co Za
JPS62108603A (en) * 1985-11-06 1987-05-19 Nec Corp Fm detection circuit
JPS62127112U (en) * 1986-01-31 1987-08-12
JPS62203701U (en) * 1986-06-17 1987-12-25

Also Published As

Publication number Publication date
JPS628962B2 (en) 1987-02-25

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