JPS6416128A - 8-phase phase demodulating system - Google Patents

8-phase phase demodulating system

Info

Publication number
JPS6416128A
JPS6416128A JP62172369A JP17236987A JPS6416128A JP S6416128 A JPS6416128 A JP S6416128A JP 62172369 A JP62172369 A JP 62172369A JP 17236987 A JP17236987 A JP 17236987A JP S6416128 A JPS6416128 A JP S6416128A
Authority
JP
Japan
Prior art keywords
signal
equalizer
signals
control
asynchronous
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
JP62172369A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0531329B2 (OSRAM
Inventor
Shoichi Mizoguchi
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 JP62172369A priority Critical patent/JPS6416128A/ja
Publication of JPS6416128A publication Critical patent/JPS6416128A/ja
Publication of JPH0531329B2 publication Critical patent/JPH0531329B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP62172369A 1987-07-10 1987-07-10 8-phase phase demodulating system Granted JPS6416128A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62172369A JPS6416128A (en) 1987-07-10 1987-07-10 8-phase phase demodulating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62172369A JPS6416128A (en) 1987-07-10 1987-07-10 8-phase phase demodulating system

Publications (2)

Publication Number Publication Date
JPS6416128A true JPS6416128A (en) 1989-01-19
JPH0531329B2 JPH0531329B2 (OSRAM) 1993-05-12

Family

ID=15940628

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62172369A Granted JPS6416128A (en) 1987-07-10 1987-07-10 8-phase phase demodulating system

Country Status (1)

Country Link
JP (1) JPS6416128A (OSRAM)

Also Published As

Publication number Publication date
JPH0531329B2 (OSRAM) 1993-05-12

Similar Documents

Publication Publication Date Title
US4480200A (en) Zero-crossing point detection circuit
CA2029108A1 (en) Threshold value control system in a receiver circuit
CA2061078A1 (en) Adaptive equalizer which carries out an equalization operation with reference to a magnitude of fading
EP0203757A3 (en) Digital transmission system using an auxiliary low-frequency channel
JPS6416128A (en) 8-phase phase demodulating system
US4172996A (en) Squelch circuit
US4464756A (en) System for error detection in frequency shift keyed signals
JPS6137813B2 (OSRAM)
JP2587432B2 (ja) 有効領域判定信号検出回路
SU1307600A1 (ru) Устройство дл приема сигналов данных
US5675283A (en) Pilot recovery and polarity detection system
US5668498A (en) Controlling FPLL polarity using pilot signal and polarity inverter
JPS60194648A (ja) 復調回路
JPS5856537A (ja) 受信回路
JPH05130150A (ja) 受信回路装置
JPH024033A (ja) 光受信器
JP2590906B2 (ja) 搬送波同期回路
JPH02199947A (ja) 光信号入力断検出方式
JP2754897B2 (ja) 復調装置
JPH11308205A (ja) クロック信号抽出回路及びそれを用いたｐｃｍ信号復調回路
JPH01288121A (ja) 光受信回路
SU819984A1 (ru) Демодул тор сигналов с двукратнойфАзОВОй МАНипул циЕй
JPS5495167A (en) Psk demodulator
JPS6436225A (en) Digital demodulator
JPS61222329A (ja) 光入力断検出回路

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees