JPS594257A - 搬送波再生回路 - Google Patents

搬送波再生回路

Info

Publication number
JPS594257A
JPS594257A JP57112389A JP11238982A JPS594257A JP S594257 A JPS594257 A JP S594257A JP 57112389 A JP57112389 A JP 57112389A JP 11238982 A JP11238982 A JP 11238982A JP S594257 A JPS594257 A JP S594257A
Authority
JP
Japan
Prior art keywords
phase
resistor
loop
operational amplifier
carrier wave
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
JP57112389A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0447502B2 (enrdf_load_stackoverflow
Inventor
Koichiro Takeda
浩一郎 武田
Koichi Kurachi
倉地 孝一
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP57112389A priority Critical patent/JPS594257A/ja
Publication of JPS594257A publication Critical patent/JPS594257A/ja
Publication of JPH0447502B2 publication Critical patent/JPH0447502B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22Demodulator circuits; Receiver circuits
    • H04L27/227Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2271Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
    • H04L27/2272Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals using phase locked loops

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Networks Using Active Elements (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
JP57112389A 1982-06-29 1982-06-29 搬送波再生回路 Granted JPS594257A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57112389A JPS594257A (ja) 1982-06-29 1982-06-29 搬送波再生回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57112389A JPS594257A (ja) 1982-06-29 1982-06-29 搬送波再生回路

Publications (2)

Publication Number Publication Date
JPS594257A true JPS594257A (ja) 1984-01-11
JPH0447502B2 JPH0447502B2 (enrdf_load_stackoverflow) 1992-08-04

Family

ID=14585445

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57112389A Granted JPS594257A (ja) 1982-06-29 1982-06-29 搬送波再生回路

Country Status (1)

Country Link
JP (1) JPS594257A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02141147A (ja) * 1988-11-22 1990-05-30 Nec Corp 搬送波同期回路

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4837052A (enrdf_load_stackoverflow) * 1971-09-11 1973-05-31

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4837052A (enrdf_load_stackoverflow) * 1971-09-11 1973-05-31

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02141147A (ja) * 1988-11-22 1990-05-30 Nec Corp 搬送波同期回路

Also Published As

Publication number Publication date
JPH0447502B2 (enrdf_load_stackoverflow) 1992-08-04

Similar Documents

Publication Publication Date Title
US5252865A (en) Integrating phase detector
US5212825A (en) Synthetic heterodyne demodulator circuit
JPS63252014A (ja) 位相同期方式
US3629716A (en) Method and apparatus of infinite q detection
KR960012797B1 (ko) 스테레오 디코더 장치
JPS594257A (ja) 搬送波再生回路
US4656432A (en) FM detector with improved distortion and gain characteristics
JPH0818397A (ja) 90度移相器
EP0122095B1 (en) Circuit for reducing offset error in fm detection
JPS60113557A (ja) 搬送波再生回路
US4300237A (en) Single sideband modulation
JP2680580B2 (ja) 位相ロックループ回路
JP3311773B2 (ja) 4相psk復調器
JPH07123123A (ja) 4相位相変調回路
JPS58142620A (ja) 波形整形回路
US4766391A (en) Video demodulator system
JPH07115328A (ja) Fm信号の復調回路
JPH01106507A (ja) 周波数変調回路
JPS63302647A (ja) Psk搬送波再生回路
JPS60182205A (ja) 追尾形帯域濾波器
JPS61128614A (ja) Am検波器
JPH1188058A (ja) 疑似同期検波回路
JPS6125306A (ja) Fm復調回路
US5151662A (en) Circuit and method of signal differentiation
JP2774563B2 (ja) Fm映像信号検波回路