KR920018989A - Photoelectric conversion circuit - Google Patents

Photoelectric conversion circuit Download PDF

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Publication number
KR920018989A
KR920018989A KR1019920003558A KR920003558A KR920018989A KR 920018989 A KR920018989 A KR 920018989A KR 1019920003558 A KR1019920003558 A KR 1019920003558A KR 920003558 A KR920003558 A KR 920003558A KR 920018989 A KR920018989 A KR 920018989A
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KR
South Korea
Prior art keywords
photoelectric conversion
inverting input
resonator
electrode
predetermined frequency
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KR1019920003558A
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Korean (ko)
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KR960008415B1 (en
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고우지 시노미야
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시기모리야
미쓰지시뎅끼 가부시끼가이샤
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/69—Electrical arrangements in the receiver
    • H04B10/693—Arrangements for optimizing the preamplifier in the receiver
    • H04B10/6933—Offset control of the differential preamplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
    • H03F3/08—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light
    • H03F3/087—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light with IC amplifier blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/69—Electrical arrangements in the receiver
    • H04B10/691—Arrangements for optimizing the photodetector in the receiver
    • H04B10/6911—Photodiode bias control, e.g. for compensating temperature variations

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Light Receiving Elements (AREA)
  • Optical Transform (AREA)
  • Automatic Focus Adjustment (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Optical Communication System (AREA)

Abstract

내용 없음No content

Description

광전변환회로Photoelectric conversion circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 이 발명의 제1실시예를 표시하는 회로도,1 is a circuit diagram showing a first embodiment of the present invention;

제2도는 이 발명의 제2실시예를 표시하는 회로도,2 is a circuit diagram showing a second embodiment of the present invention;

제3도는 제2실시예 1부의 등가회로를 표시하는 회로도.3 is a circuit diagram showing an equivalent circuit of the first embodiment of the second embodiment.

Claims (10)

소정의 주파수로 변조된 신호광을 포함하는 광을 수광하여 광전변환전류로 변환하는 광전변화소자와, 사기 광전변환소자가 접속되어, 상기 소정의 주파수에 대해, 전기적으로 공진하는 공진기를 가지는 동조입력회로를 구비하는 광전변환회로.A tuning input circuit having a photoelectric conversion element for receiving and converting light including a signal light modulated at a predetermined frequency into a photoelectric conversion current, and a photoelectric conversion element connected to each other and having a resonator electrically resonating with respect to the predetermined frequency; Photoelectric conversion circuit comprising a. 제1 및 제2의 전극을 구비하고, 소정의 주파수로 변조된 신호광을 포함하는 광을 수광하여 광전변환전류로 변환하는 반도체 위치검출기와, 어느것이고 상기 소정의 주파수에 대해 전기적으로 공진하는 제1 및 제2의 공진기와, 제1 및 제2의 소정전위와, 상기 제1의 공진기의 일단에 접속된 출력단과, 상기 제1의 전극 및 상기 제1의 공진기의 타단에 공통으로 접속된 반전입력과, 상기 제1의 소정전위에 접속된 비반전입력을 가지는 제1의 차동증폭기와, 상기 제2의 공진기의 일단에 접속된 출력단과, 상기 제2의 전극과 상기 제2의 공진기의 타단에 공통으로 접속된 반전입력과, 상기 제2의 소정전위에 접속된 비반접입력을 가지는 제2의 차동증폭기를 구비한 광전변환회로.A semiconductor position detector having a first electrode and a second electrode and receiving light including signal light modulated at a predetermined frequency and converting the light into a photoelectric conversion current; and a first electrically resonating at the predetermined frequency. And an inverting input commonly connected to a second resonator, first and second predetermined potentials, an output terminal connected to one end of the first resonator, and the other end of the first electrode and the first resonator. And a first differential amplifier having a non-inverting input connected to the first predetermined potential, an output terminal connected to one end of the second resonator, and another end of the second electrode and the second resonator. A photoelectric conversion circuit having a second differential amplifier having a common inverted input and a non-contact input connected to the second predetermined potential. 제1 및 제2의 전극을 구비하고, 소정의 주파수로 변조된 신호광을 포함하는 광을 수광하여 광전변환전류로 변환하는 반도체 위치검출기와, 어느것이고 상기 소정의 주파수에 대해 전기적으로 공진하는 제1 및 제2의 공진기와, 제1 및 제2의 소정전위와, 상기 제1의 공진기를 통하여 상기 제1의 소정전위에 접속된 비반전입력과, 서로 접속된 출력단 및 반전입력을 가지는 제1의 차동증폭기와, 상기 제2의 공진기를 통하여 상기 제2의 소정전위에 접속된 비반전입력과, 서로 접속된 출력단 및 반접입력을 가지는 제2의 차동증폭기를 구비한 광전변환회로.A semiconductor position detector having a first electrode and a second electrode and receiving light including signal light modulated at a predetermined frequency and converting the light into a photoelectric conversion current; and a first electrically resonating at the predetermined frequency. And a first resonator having a second resonator, first and second predetermined potentials, a non-inverting input connected to the first predetermined potential via the first resonator, an output terminal and an inverting input connected to each other. And a second differential amplifier having a differential amplifier, a non-inverting input connected to said second predetermined potential through said second resonator, and an output terminal and a contact input connected to each other. 제1 및 제2의 전극을 구비하고, 소정의 주파수로 변조된 신호광을 포함하는 광을 수광하여 광전변환전류로 변환하는 반도체 위치검출기와, 상기 소정의 주파수에 대해 전기적으로 공진하는 공진기와, 소정전위와, 상기 공진기의 일단에 접속된 출력단과, 상기 공진기의 타단에 접속된 반전입력과, 상기 소정전위에 접속된 비반전입력을 가지는 차동증폭기와, 상기 제1전극에 접속된 제1단자와, 상기 반전입력에 접속된 제2단자와, 상기 비반전입력과, 접속된 제3단자를 가지는 제1전환스위치와, 상기 제2전극에 접속된 제1단자와, 상기 비반전입력에 접속된 제2단자와, 상기 반전입력과 접속된 제3단자를 가지는 제2전환 스위치를 구비하고, 상기 제1 및 제2전환스위치는 연동하여 개폐하는 광전변환회로.A semiconductor position detector having first and second electrodes and receiving light including signal light modulated at a predetermined frequency and converting the light into a photoelectric conversion current; a resonator electrically resonating with respect to the predetermined frequency; A differential amplifier having a potential, an output terminal connected to one end of the resonator, an inverting input connected to the other end of the resonator, and a non-inverting input connected to the predetermined potential, and a first terminal connected to the first electrode; A first switching switch having a second terminal connected to the inverting input, the non-inverting input and a third terminal connected thereto, a first terminal connected to the second electrode, and connected to the non-inverting input And a second switch having a second terminal and a third terminal connected to the inverting input, wherein the first and second switch are interlocked to open and close. 제1 및 제2의 전극을 구비하고, 소정의 주파수로 변조된 신호광을 포함하는 광을 수광하여 광전변환전류로 변환하는 반도체 위치검출기와, 상기 소정의 주파수에 대해 전기적으로 공진하는 공진기와, 소정전위와, 상기 공진기를 통하여 상기 소정전위에 접속된 비반전입력과, 서로 접속된 출력단 및 반전입력을 가지는 차동증폭기와, 상기 제1전극에 접속된 제1단자와, 상기 반전입력에 접속된 제2단자와, 상기 비반전입력과 접속된 제3단자를 가지는 제1전환스위치와, 상기 제2전극에 접속된 제1단자와, 상기 비반전입력에 접속된 제2단자와, 상기 반전입력과 접속된 제3단자를 가지는 전환스위치를 구비하고, 상기 제1 및 제2전환스위치는 연동하여 개폐하는 광전변환회로.A semiconductor position detector having first and second electrodes and receiving light including signal light modulated at a predetermined frequency and converting the light into a photoelectric conversion current; a resonator electrically resonating with respect to the predetermined frequency; A differential amplifier having a potential, a non-inverting input connected to the predetermined potential through the resonator, an output terminal and an inverting input connected to each other, a first terminal connected to the first electrode, and a first terminal connected to the inverting input. A first switching switch having two terminals, a third terminal connected to the non-inverting input, a first terminal connected to the second electrode, a second terminal connected to the non-inverting input, and the inverting input And a switching switch having a third terminal connected thereto, wherein the first and second switching switches are interlocked to open and close. 제1항에 있어서, 상기 공진기에 병렬로 접속되는 전압제한회로를 더욱 구비하는 광전변환회로.The photoelectric conversion circuit according to claim 1, further comprising a voltage limiting circuit connected in parallel to said resonator. 소정의 주파수로 변조된 신호광을 포함하는 광을 수광하여 광전변환전류로 변환하는 광전변환소자와, 소정전위와, 상기 광전변환소자의 일단과, 상기 소정전위와의 사이에 접속되어, 상기 소정의 주파수에 대해 전기적으로 공진하는 공진기와, 상기 광전변환전류를 가제어의 이득으로 증폭하여 제1의 신호를 얻는 제1의 증폭수단과, 상기 제1의 신호를 일정이득으로 증폭하여 제2의 신호를 얻는 제2의 증폭수단과, 상기 제2의 신호를 상기 제1의 증폭수단에 귀환하여, 상기 소정의 이득을 제어하는 귀환수단을 구비한 광전변환회로.A photoelectric conversion element for receiving and converting light including signal light modulated at a predetermined frequency into a photoelectric conversion current, and connected between a predetermined potential, one end of the photoelectric conversion element, and the predetermined potential; A resonator electrically resonating with respect to frequency, first amplification means for amplifying the photoelectric conversion current with a gain of control and a first signal; and a second signal by amplifying the first signal with a constant gain. And a second amplifying means for obtaining a signal and a feedback means for returning the second signal to the first amplifying means to control the predetermined gain. 제1 및 제2의 전극을 구비하고, 소정의 주파수로 변조된 신호광을 포함하는 광을 수광하여 광전변환전류로 변환하는 광전변환소자와, 상기 광전변환소자에 병렬로 접속되어, 상기 소정의 주파수에 대해 전기적으로 공진하는 공진기와, 각각 상기 제1 및 제2의 전극이 접속된 비반전입력 및 반전입력을 가지는 차동증폭기를 구비한 광전변환회로.A photoelectric conversion element having first and second electrodes and receiving light including signal light modulated at a predetermined frequency and converting the light into a photoelectric conversion current; And a differential amplifier having a non-inverting input and an inverting input to which the first and second electrodes are connected, respectively, and a resonator electrically resonating with each other. 제8항에 있어서, 상기 차동증폭기의 상기 비반전입력 및 반전입력중, 적어도 어느한쪽에 접속된 바이어스 회로를 더욱 구비하는 광전변환회로.9. The photoelectric conversion circuit according to claim 8, further comprising a bias circuit connected to at least one of the non-inverting input and the inverting input of the differential amplifier. 제1 및 제2의 전극을 구비하고, 수정의 주파수로 변조된 신호광을 포함하는 광을 수광하여 광전변환전류로 변환하는 광전변환소자와, 상기 제1의 전극에 접속된 제1의 단자와, 제2의 단자를 가지고, 상기 소정의 주파수에 대해 전기적으로 공진하는 공진기와, 상기 제2의 전극과, 상기 제2의 단자가 각각 접속된 양단을 가지는 저항과, 상기 양단에 각각 접속된 비반전입력 및 반전입력을 가지는 차동증폭기를 구비한 광전변환회로.A photoelectric conversion element having first and second electrodes and receiving light including signal light modulated at a crystal frequency and converting the light into a photoelectric conversion current, a first terminal connected to the first electrode; A resonator having a second terminal and electrically resonating with respect to the predetermined frequency, a resistor having the second electrode and both ends connected to the second terminal, and a non-inverting connected to each of the both ends, respectively. A photoelectric conversion circuit having a differential amplifier having an input and an inverting input. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR92003558A 1991-03-11 1992-03-04 Photoelectric conversion circuit having a tuning circuit and changing-over switcher KR960008415B1 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP7246591 1991-03-11
JP91-72465 1991-03-11
JP9660391 1991-04-26
JP91-96603 1991-04-26
JP91-218507 1991-08-29
JP21850791 1991-08-29
JP91-264661 1991-10-14
JP26466191A JPH05300042A (en) 1991-03-11 1991-10-14 Photoelectric conversion circuit

Publications (2)

Publication Number Publication Date
KR920018989A true KR920018989A (en) 1992-10-22
KR960008415B1 KR960008415B1 (en) 1996-06-26

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Application Number Title Priority Date Filing Date
KR92003558A KR960008415B1 (en) 1991-03-11 1992-03-04 Photoelectric conversion circuit having a tuning circuit and changing-over switcher

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JP (1) JPH05300042A (en)
KR (1) KR960008415B1 (en)

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JP2009088585A (en) * 2007-09-27 2009-04-23 Tdk Corp Integrated circuit for photodiode and optical pickup equipped with same
JP4983665B2 (en) * 2008-03-17 2012-07-25 富士通株式会社 Receiving circuit high withstand voltage method
JP5949415B2 (en) * 2012-10-09 2016-07-06 富士通株式会社 Optical receiver circuit and optical receiver
JP6687939B2 (en) * 2016-01-15 2020-04-28 国立研究開発法人情報通信研究機構 Photoelectric converter
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KR100521115B1 (en) * 1995-06-06 2006-01-27 톰슨 콘슈머 일렉트로닉스, 인코포레이티드 Infrared repeater

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KR960008415B1 (en) 1996-06-26
JPH05300042A (en) 1993-11-12

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