Title:
光信号受信装置および方法
Document Type and Number:
Japanese Patent JP3979712
Kind Code:
B2
Abstract:
An optical signal receiving apparatus capable of substantially instantaneously and stably discriminating the logic from the header of a burst-like optical signal comprising a pre-amplifier circuit for amplifying an output from a photodiode receiving cell signals, a dummy side variable gain amplifying unit for performing the gain control by feedback control with respect to the output from the pre-amplifier circuit and outputting the gain at that time as gain information, a memory unit for holding the gain information, and a signal side variable gain amplifying unit for performing the gain control by feedfoward control by using the gain set by the gain information and outputting the amplified signal.
Inventors:
Satoshi Ide
Application Number:
JP28698297A
Publication Date:
September 19, 2007
Filing Date:
October 20, 1997
Export Citation:
Assignee:
富士通株式会社
International Classes:
H04B10/293; H04B10/07; H04B10/2507; H04B10/40; H04B10/50; H04B10/564; H04B10/572; H04B10/60; H04B10/69
Domestic Patent References:
| JP61028236A | ||||
| JP60022816A | ||||
| JP7193437A |
Attorney, Agent or Firm:
Takashi Ishida
Shigeru Tsuchiya
Toshio Toda
Masaya Nishiyama
Shigeru Tsuchiya
Toshio Toda
Masaya Nishiyama