JPH01151614U - - Google Patents
Info
- Publication number
- JPH01151614U JPH01151614U JP4882088U JP4882088U JPH01151614U JP H01151614 U JPH01151614 U JP H01151614U JP 4882088 U JP4882088 U JP 4882088U JP 4882088 U JP4882088 U JP 4882088U JP H01151614 U JPH01151614 U JP H01151614U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- avalanche photodiode
- voltage dividing
- circuit
- connection point
- 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 7
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 230000003321 amplification Effects 0.000 claims 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案による光受信回路の一実施例を
示す回路図、第２図は従来の光受信回路の一例を
示す回路図、第３図は単一電源電圧を変換するた
めのＤＣ−ＤＣ変換回路を示す図である。
１０１……光信号検出回路、１０２……差動増
幅回路。
FIG. 1 is a circuit diagram showing an embodiment of an optical receiving circuit according to the present invention, FIG. 2 is a circuit diagram showing an example of a conventional optical receiving circuit, and FIG. 3 is a circuit diagram showing an example of a conventional optical receiving circuit. It is a diagram showing a DC conversion circuit. 101... Optical signal detection circuit, 102... Differential amplifier circuit.
Claims (1)
オードを用いた光受信回路において、該アバラン
シエフオトダイオード、該アバランシエフオトダ
イオードの負荷抵抗器、前記アバランシエフオト
ダイオードの動作微分抵抗値に等しい第１の抵抗
器、及び該第１の抵抗器の分圧抵抗器がブリツジ
回路に構成された光信号検出回路と、前記アバラ
ンシエダイオードと前記負荷抵抗器との接続点と
前記第１の抵抗器と分圧抵抗器との接続点に接続
され、該接続点間の電位差を増幅する差動増幅手
段とを有することを特徴とする光受信回路。 In an optical receiving circuit using an avalanche photodiode as a photoelectric conversion element, the avalanche photodiode, a load resistor for the avalanche photodiode, and a first resistor equal to an operating differential resistance value of the avalanche photodiode. , and an optical signal detection circuit in which a voltage dividing resistor of the first resistor is configured as a bridge circuit, a connection point between the avalanche diode and the load resistor, the first resistor and the voltage dividing resistor. 1. An optical receiving circuit comprising: a differential amplification means connected to a connection point with a receiver, and a differential amplification means for amplifying a potential difference between the connection points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4882088U JPH01151614U (en) | 1988-04-13 | 1988-04-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4882088U JPH01151614U (en) | 1988-04-13 | 1988-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01151614U true JPH01151614U (en) | 1989-10-19 |
Family
ID=31274953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4882088U Pending JPH01151614U (en) | 1988-04-13 | 1988-04-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01151614U (en) |
-
1988
- 1988-04-13 JP JP4882088U patent/JPH01151614U/ja active Pending