JPS6247374B2 - - Google Patents

Info

Publication number
JPS6247374B2
JPS6247374B2 JP54024728A JP2472879A JPS6247374B2 JP S6247374 B2 JPS6247374 B2 JP S6247374B2 JP 54024728 A JP54024728 A JP 54024728A JP 2472879 A JP2472879 A JP 2472879A JP S6247374 B2 JPS6247374 B2 JP S6247374B2
Authority
JP
Japan
Prior art keywords
phase
loop
signal level
detector
variable attenuator
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
JP54024728A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55117338A (en
Inventor
Shunichiro Tejima
Akira Fujii
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
Nippon 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP2472879A priority Critical patent/JPS55117338A/ja
Publication of JPS55117338A publication Critical patent/JPS55117338A/ja
Publication of JPS6247374B2 publication Critical patent/JPS6247374B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control

Landscapes

  • Synchronisation In Digital Transmission Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
JP2472879A 1979-03-02 1979-03-02 Phase synchronous circuit Granted JPS55117338A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2472879A JPS55117338A (en) 1979-03-02 1979-03-02 Phase synchronous circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2472879A JPS55117338A (en) 1979-03-02 1979-03-02 Phase synchronous circuit

Publications (2)

Publication Number Publication Date
JPS55117338A JPS55117338A (en) 1980-09-09
JPS6247374B2 true JPS6247374B2 (enExample) 1987-10-07

Family

ID=12146206

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2472879A Granted JPS55117338A (en) 1979-03-02 1979-03-02 Phase synchronous circuit

Country Status (1)

Country Link
JP (1) JPS55117338A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2560979B2 (ja) * 1993-06-23 1996-12-04 日本電気株式会社 クロック同期回路

Also Published As

Publication number Publication date
JPS55117338A (en) 1980-09-09

Similar Documents

Publication Publication Date Title
US3209271A (en) Phase-locked loops
US3939425A (en) Noise-squelching circuit using a phase-locked loop
US5515197A (en) Coherent optical multichannel receiver
EP0856942B1 (en) Radio receiver with underpass detector
JPS6239848B2 (enExample)
JPS62231548A (ja) 周波数被変調信号用受信機
US4499434A (en) PLL Phase error alarm related to associated receiver
US4724437A (en) Signal acquisition circuit with variable bandwidth phase locked loop
US4286237A (en) Wide range drift compensated FM signal generator
US3939424A (en) Radio receiver with a phase locked loop for a demodulator
US4392254A (en) Mechanical tuner with microphonics elimination circuitry
JPS6247374B2 (enExample)
EP0497801B1 (en) A phase locked loop for producing a reference carrier for a coherent detector
US4185243A (en) Method and apparatus for providing a standby signal
EP0361746B1 (en) Automatic phase controlling circuit
US5287073A (en) Phase locked loop using pilot signal for lock detection
JPH02305087A (ja) Ｆｍ検波器
US20020154249A1 (en) Intermediate frequency circuit of television tuner, which is not influenced by saw filter characteristics
JPH04363903A (ja) 位相ループ付き復調装置
JP3047189B2 (ja) 高感度ｆｍ復調回路
US5347240A (en) Circuit and method for automatically controlling the carrier frequency of a video recording device
JPS6253081B2 (enExample)
CA1121004A (en) Television receiver with synchronous detection and automatic fine tuning
JPH0325051B2 (enExample)
JPH08503836A (ja) Ｆｍスレッショルドエクステンション検波回路