JPH04248727A - Transmission output level control circuit - Google Patents

Transmission output level control circuit

Info

Publication number
JPH04248727A
JPH04248727A JP3541691A JP3541691A JPH04248727A JP H04248727 A JPH04248727 A JP H04248727A JP 3541691 A JP3541691 A JP 3541691A JP 3541691 A JP3541691 A JP 3541691A JP H04248727 A JPH04248727 A JP H04248727A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
output level
control circuit
transmission output
transmission
level control
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.)
Pending
Application number
JP3541691A
Inventor
Yoichi Maeda
Yuuki Nagaseko
Koji Uno
Original Assignee
Nippon Telegr & Teleph Corp <Ntt>
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

Links

Abstract

PURPOSE: To prevent production of an excess output level by using a transmission output level control circuit of a slave equipment so as to correct nonlinearity without use of an analog circuit.
CONSTITUTION: An A/D converter 41 converts a reception signal level of a transmission output level control circuit of a slave equipment into a digital signal and the digital signal is used for an address input of a memory 42. A data of a transmission output level inversely proportional to the reception signal level stored in the memory 42 is inputted to a D/A converter 43, in which the data is DA-converted and the transmission level of the optical transmission circuit is decided by the analog output.
COPYRIGHT: (C)1992,JPO&Japio
JP3541691A 1991-02-04 1991-02-04 Transmission output level control circuit Pending JPH04248727A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3541691A JPH04248727A (en) 1991-02-04 1991-02-04 Transmission output level control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3541691A JPH04248727A (en) 1991-02-04 1991-02-04 Transmission output level control circuit

Publications (1)

Publication Number Publication Date
JPH04248727A true true JPH04248727A (en) 1992-09-04

Family

ID=12441273

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3541691A Pending JPH04248727A (en) 1991-02-04 1991-02-04 Transmission output level control circuit

Country Status (1)

Country Link
JP (1) JPH04248727A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000101125A (en) * 1998-09-21 2000-04-07 Fujitsu Ltd Optical communication device and waveform forming circuit
JP2010161454A (en) * 2009-01-06 2010-07-22 Nec Corp Optical communication system
JP2013062748A (en) * 2011-09-14 2013-04-04 Nippon Telegr & Teleph Corp <Ntt> Optical transmission/reception device control method, optical transmission/reception device, and optical communication system
JP2013090143A (en) * 2011-10-18 2013-05-13 Nippon Telegr & Teleph Corp <Ntt> Optical subscriber-side device and optical communication system
JP2014225907A (en) * 2014-07-25 2014-12-04 日本電信電話株式会社 Control method of optical transmitter/receiver, optical transmitter/receiver, and optical communication system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000101125A (en) * 1998-09-21 2000-04-07 Fujitsu Ltd Optical communication device and waveform forming circuit
JP2010161454A (en) * 2009-01-06 2010-07-22 Nec Corp Optical communication system
JP2013062748A (en) * 2011-09-14 2013-04-04 Nippon Telegr & Teleph Corp <Ntt> Optical transmission/reception device control method, optical transmission/reception device, and optical communication system
JP2013090143A (en) * 2011-10-18 2013-05-13 Nippon Telegr & Teleph Corp <Ntt> Optical subscriber-side device and optical communication system
JP2014225907A (en) * 2014-07-25 2014-12-04 日本電信電話株式会社 Control method of optical transmitter/receiver, optical transmitter/receiver, and optical communication system

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