JPS58155153U - optical receiver - Google Patents
optical receiverInfo
- Publication number
- JPS58155153U JPS58155153U JP1982053216U JP5321682U JPS58155153U JP S58155153 U JPS58155153 U JP S58155153U JP 1982053216 U JP1982053216 U JP 1982053216U JP 5321682 U JP5321682 U JP 5321682U JP S58155153 U JPS58155153 U JP S58155153U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- electrical signal
- optical receiver
- light receiving
- receiving element
- 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
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のＡＧＣ機能を有する光受信機を示す図、
第２図は従来の光受信機のピーク値検出回路を示す図、
第３図はこの考案の一実施例によるＡＧＣ機能を有する
光受信機を示す図である。
各図において、１は受光素子、２は抵抗、３は増幅器、
４はコンデンサ、５はＡＧＣ増幅器、６はピーク値検出
回路、７は直流増幅器、８は制御電圧入力端子、９は増
幅器、１０はダイオード、１１はコンデンサ、１２は抵
抗、１３はコンデンサである。なお、図中同一あるいは
相当部分には同一符号を付して示しである。FIG. 1 is a diagram showing a conventional optical receiver having an AGC function.
Figure 2 is a diagram showing a peak value detection circuit of a conventional optical receiver;
FIG. 3 is a diagram showing an optical receiver having an AGC function according to an embodiment of the invention. In each figure, 1 is a light receiving element, 2 is a resistor, 3 is an amplifier,
4 is a capacitor, 5 is an AGC amplifier, 6 is a peak value detection circuit, 7 is a DC amplifier, 8 is a control voltage input terminal, 9 is an amplifier, 10 is a diode, 11 is a capacitor, 12 is a resistor, and 13 is a capacitor. Note that the same or equivalent parts in the figures are indicated by the same reference numerals.
Claims (1)
により変換された電気信号を増幅する増幅器と、この増
幅器の電気信号出力をほぼ一定に保つＡＧＣ増幅器とを
備え、上記受光素子の出力に現われる光信号の平均値に
比例した電気信号により上記ＡＧＣ増幅器の増幅度を制
御するように構成したことを特徴とする光受信機。It is equipped with a light receiving element that converts an optical signal into an electrical signal, an amplifier that amplifies the electrical signal converted by the light receiving element, and an AGC amplifier that keeps the electrical signal output of the amplifier almost constant. An optical receiver characterized in that the amplification degree of the AGC amplifier is controlled by an electrical signal proportional to the average value of the optical signal appearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982053216U JPS58155153U (en) | 1982-04-13 | 1982-04-13 | optical receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982053216U JPS58155153U (en) | 1982-04-13 | 1982-04-13 | optical receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58155153U true JPS58155153U (en) | 1983-10-17 |
Family
ID=30063894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982053216U Pending JPS58155153U (en) | 1982-04-13 | 1982-04-13 | optical receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58155153U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006527545A (en) * | 2003-06-06 | 2006-11-30 | サイエンティフィック−アトランタ， インコーポレイテッド | Optical receiver with open loop automatic gain control circuit |
| JP2016171409A (en) * | 2015-03-12 | 2016-09-23 | 日本電信電話株式会社 | Transimpedance amplifier circuit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54121006A (en) * | 1978-03-13 | 1979-09-19 | Hitachi Ltd | Receiving device for optical communication |
-
1982
- 1982-04-13 JP JP1982053216U patent/JPS58155153U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54121006A (en) * | 1978-03-13 | 1979-09-19 | Hitachi Ltd | Receiving device for optical communication |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006527545A (en) * | 2003-06-06 | 2006-11-30 | サイエンティフィック−アトランタ， インコーポレイテッド | Optical receiver with open loop automatic gain control circuit |
| JP2016171409A (en) * | 2015-03-12 | 2016-09-23 | 日本電信電話株式会社 | Transimpedance amplifier circuit |
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