JPS63169732U - - Google Patents
Info
- Publication number
- JPS63169732U JPS63169732U JP1987061015U JP6101587U JPS63169732U JP S63169732 U JPS63169732 U JP S63169732U JP 1987061015 U JP1987061015 U JP 1987061015U JP 6101587 U JP6101587 U JP 6101587U JP S63169732 U JPS63169732 U JP S63169732U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- rectifier circuit
- reception level
- optical reception
- monitor
- 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
- 230000003287 optical effect Effects 0.000 claims 3
- 239000000284 extract Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Communication System (AREA)
Description
第１図は本考案の実施例を示すブロツク図であ
る。 １……光検出器、２……増幅器、３……フイル
タ、４……整流回路。
る。 １……光検出器、２……増幅器、３……フイル
タ、４……整流回路。
Claims (1)
- 光受信器において、その出力信号から雑音周波
数成分のみを抽出するフイルタと、フイルタ通過
雑音レベルに比例する電圧を出力する整流回路と
を有し、その整流回路出力電圧を光受信レベルの
モニター値とする光受信レベルモニター。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987061015U JPS63169732U (ja) | 1987-04-21 | 1987-04-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987061015U JPS63169732U (ja) | 1987-04-21 | 1987-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63169732U true JPS63169732U (ja) | 1988-11-04 |
Family
ID=30893959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987061015U Pending JPS63169732U (ja) | 1987-04-21 | 1987-04-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63169732U (ja) |
-
1987
- 1987-04-21 JP JP1987061015U patent/JPS63169732U/ja active Pending