JPH0165520U - - Google Patents
Info
- Publication number
- JPH0165520U JPH0165520U JP16121987U JP16121987U JPH0165520U JP H0165520 U JPH0165520 U JP H0165520U JP 16121987 U JP16121987 U JP 16121987U JP 16121987 U JP16121987 U JP 16121987U JP H0165520 U JPH0165520 U JP H0165520U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- goes
- output
- comparing
- 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 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Manipulation Of Pulses (AREA)
- Optical Communication System (AREA)
Description
第１図は、本考案の光受信回路の１実施例を示
す回路図、第２図は第１図の動作を示すための比
較回路入力波形ａと出力波形ｂ、第３図は従来の
光受信回路の回路図、第４図は第３図の動作を示
すための比較回路入力波形ａと出力波形ｂである
。
１……受光素子、２……コンデンサ、３……増
幅回路、４……比較回路、５……ヒステリシス幅
決定回路、６……帰還回路。
FIG. 1 is a circuit diagram showing one embodiment of the optical receiver circuit of the present invention, FIG. 2 is a comparison circuit input waveform a and output waveform b showing the operation of FIG. 1, and FIG. 3 is a circuit diagram of a conventional optical receiver circuit. The circuit diagram of the receiving circuit, FIG. 4, shows the comparator circuit input waveform a and output waveform b to show the operation of FIG. 1... Light receiving element, 2... Capacitor, 3... Amplifying circuit, 4... Comparing circuit, 5... Hysteresis width determining circuit, 6... Feedback circuit.
Claims (1)
回路を交流結合させたものを、受光素子に接続し
て構成し、バースト状の光信号を電気信号に変換
する光受信回路において、前記比較回路の出力が
無信号時に“Ｈｉｇｈ”になると出力を“Ｌｏｗ
”に戻す帰還回路を有することを特徴とする光受
信回路。 In an optical receiving circuit that converts a burst optical signal into an electrical signal, the output of the comparing circuit is configured by connecting an AC-coupled amplifier circuit and a comparing circuit with hysteresis in the threshold value to a light receiving element. When it goes “High” when there is no signal, the output goes “Low”.
``An optical receiving circuit characterized by having a feedback circuit that returns to ``.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16121987U JPH0165520U (en) | 1987-10-21 | 1987-10-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16121987U JPH0165520U (en) | 1987-10-21 | 1987-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0165520U true JPH0165520U (en) | 1989-04-26 |
Family
ID=31443961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16121987U Pending JPH0165520U (en) | 1987-10-21 | 1987-10-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0165520U (en) |
-
1987
- 1987-10-21 JP JP16121987U patent/JPH0165520U/ja active Pending
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