JPH0268537U - - Google Patents
Info
- Publication number
- JPH0268537U JPH0268537U JP1988146810U JP14681088U JPH0268537U JP H0268537 U JPH0268537 U JP H0268537U JP 1988146810 U JP1988146810 U JP 1988146810U JP 14681088 U JP14681088 U JP 14681088U JP H0268537 U JPH0268537 U JP H0268537U
- Authority
- JP
- Japan
- Prior art keywords
- light
- receiving element
- voltage
- comparator
- reverse bias
- 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 4
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Optical Communication System (AREA)
Description
第１図は本考案に係る光送受信回路の受光回路
の好適な実施例を示す回路図、第２図はコンパレ
ータのヒステリシス特性を示す図、第３図は実施
例回路の動作を示す波形図、第４図は従来の受光
回路の構成を示す回路図、第５図は従来において
提案されている受光回路を示す回路図である。
１０……受光素子、１６……コンパレータ、１
８……アナログスイツチ、２０……レギユレータ
、２２……ツエナーダイオード。
FIG. 1 is a circuit diagram showing a preferred embodiment of the light receiving circuit of the optical transmitter/receiver circuit according to the present invention, FIG. 2 is a diagram showing the hysteresis characteristics of the comparator, and FIG. 3 is a waveform diagram showing the operation of the embodiment circuit. FIG. 4 is a circuit diagram showing the configuration of a conventional light receiving circuit, and FIG. 5 is a circuit diagram showing a conventionally proposed light receiving circuit. 10... Light receiving element, 16... Comparator, 1
8... Analog switch, 20... Regulator, 22... Zener diode.
Claims (1)
光信号を検出するための逆バイアス電圧を与える
電圧源と、前記受光素子に印加されている逆バイ
アス電圧を検出し基準電圧と比較するコンパレー
タと、このコンパレータの出力に基づいて受光素
子に印加するための出力電圧を変換して設定する
電圧設定手段と、から構成した光送受信機の受光
回路。 A light-receiving element that receives an optical signal, a voltage source that applies a reverse bias voltage to the light-receiving element to detect the optical signal, and a comparator that detects the reverse bias voltage applied to the light-receiving element and compares it with a reference voltage. , voltage setting means for converting and setting an output voltage to be applied to a light receiving element based on the output of the comparator, and a light receiving circuit for an optical transmitter/receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988146810U JPH0268537U (en) | 1988-11-10 | 1988-11-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988146810U JPH0268537U (en) | 1988-11-10 | 1988-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0268537U true JPH0268537U (en) | 1990-05-24 |
Family
ID=31416644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988146810U Pending JPH0268537U (en) | 1988-11-10 | 1988-11-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0268537U (en) |
-
1988
- 1988-11-10 JP JP1988146810U patent/JPH0268537U/ja active Pending