JPH01160239A - キャリアロック検出回路 - Google Patents

キャリアロック検出回路

Info

Publication number
JPH01160239A
JPH01160239A JP62317508A JP31750887A JPH01160239A JP H01160239 A JPH01160239 A JP H01160239A JP 62317508 A JP62317508 A JP 62317508A JP 31750887 A JP31750887 A JP 31750887A JP H01160239 A JPH01160239 A JP H01160239A
Authority
JP
Japan
Prior art keywords
circuit
signal
frequency
output
synchronization
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
JP62317508A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0530098B2 (cs
Inventor
Genya Iwasaki
玄弥 岩崎
Susumu Otani
進 大谷
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to JP62317508A priority Critical patent/JPH01160239A/ja
Priority to DE3889979T priority patent/DE3889979T2/de
Priority to EP88305684A priority patent/EP0297774B1/en
Priority to CA000570667A priority patent/CA1278611C/en
Priority to AU18501/88A priority patent/AU599294B2/en
Priority to US07/213,368 priority patent/US4853642A/en
Publication of JPH01160239A publication Critical patent/JPH01160239A/ja
Publication of JPH0530098B2 publication Critical patent/JPH0530098B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP62317508A 1987-06-30 1987-12-17 キャリアロック検出回路 Granted JPH01160239A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP62317508A JPH01160239A (ja) 1987-12-17 1987-12-17 キャリアロック検出回路
DE3889979T DE3889979T2 (de) 1987-06-30 1988-06-22 Phasenkontrollierter Demodulator für ein digitales Nachrichtensystem.
EP88305684A EP0297774B1 (en) 1987-06-30 1988-06-22 Phase controlled demodulator for digital communications system
CA000570667A CA1278611C (en) 1987-06-30 1988-06-29 Phase controlled demodulator for digital communications system
AU18501/88A AU599294B2 (en) 1987-06-30 1988-06-29 Phase controlled demodulator for digital communications system
US07/213,368 US4853642A (en) 1987-06-30 1988-06-30 Phase controlled demodulator for digital communications system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62317508A JPH01160239A (ja) 1987-12-17 1987-12-17 キャリアロック検出回路

Publications (2)

Publication Number Publication Date
JPH01160239A true JPH01160239A (ja) 1989-06-23
JPH0530098B2 JPH0530098B2 (cs) 1993-05-07

Family

ID=18089018

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62317508A Granted JPH01160239A (ja) 1987-06-30 1987-12-17 キャリアロック検出回路

Country Status (1)

Country Link
JP (1) JPH01160239A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7697637B2 (en) 2006-01-20 2010-04-13 Fujitsu Microelectronics Limited Demodulation circuit and demodulating method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50115755A (cs) * 1974-02-21 1975-09-10
JPS53128257A (en) * 1977-04-15 1978-11-09 Nec Corp Artificial lead-in evasion circuit for reference carrier reproduction circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50115755A (cs) * 1974-02-21 1975-09-10
JPS53128257A (en) * 1977-04-15 1978-11-09 Nec Corp Artificial lead-in evasion circuit for reference carrier reproduction circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7697637B2 (en) 2006-01-20 2010-04-13 Fujitsu Microelectronics Limited Demodulation circuit and demodulating method

Also Published As

Publication number Publication date
JPH0530098B2 (cs) 1993-05-07

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