JPS635715U - - Google Patents
Info
- Publication number
- JPS635715U JPS635715U JP1986099944U JP9994486U JPS635715U JP S635715 U JPS635715 U JP S635715U JP 1986099944 U JP1986099944 U JP 1986099944U JP 9994486 U JP9994486 U JP 9994486U JP S635715 U JPS635715 U JP S635715U
- Authority
- JP
- Japan
- Prior art keywords
- photodiode
- transistor
- bypass capacitor
- source
- input resistor
- 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
- 239000003990 capacitor Substances 0.000 claims 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Amplifiers (AREA)
- Optical Communication System (AREA)
Description
第１図はこの考案の一実施例の回路図、第２図
は第１図の等価回路図、第３図は変形例の一部を
示す回路図、第４図および第５図はそれぞれ従来
例の回路図である。
ＰＤ……フオトダイオード、Ｒ１……入力抵抗
、ＴＧ……初段トランジスタ、Ｔ２……バイアス
電流安定用トランジスタ、ＡＭＰ……交流増幅器
。
Fig. 1 is a circuit diagram of one embodiment of this invention, Fig. 2 is an equivalent circuit diagram of Fig. 1, Fig. 3 is a circuit diagram showing a part of a modified example, and Figs. 4 and 5 are respectively conventional FIG. 3 is an example circuit diagram. PD...Photodiode, R1...Input resistance, TG...First stage transistor, T2...Bias current stabilization transistor, AMP...AC amplifier.
Claims (1)
直列接続される入力抵抗と、このフオトダイオー
ドと入力抵抗との接続点にそのゲートが接続され
るトランジスタと、該トランジスタのソースに接
続される交流バイパスコンデンサと、該交流バイ
パスコンデンサに並列接続される定電流素子とを
有することを特徴とする光―電気変換回路。 A photodiode, an input resistor connected in series with the photodiode, a transistor whose gate is connected to a connection point between the photodiode and the input resistor, an AC bypass capacitor connected to the source of the transistor, and an AC bypass capacitor connected to the source of the transistor. An optical-to-electrical conversion circuit characterized by having a constant current element connected in parallel to an AC bypass capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986099944U JPS635715U (en) | 1986-06-30 | 1986-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986099944U JPS635715U (en) | 1986-06-30 | 1986-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS635715U true JPS635715U (en) | 1988-01-14 |
Family
ID=30969293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986099944U Pending JPS635715U (en) | 1986-06-30 | 1986-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS635715U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4874766A (en) * | 1971-12-30 | 1973-10-08 | ||
| JPS6143004A (en) * | 1984-08-03 | 1986-03-01 | Fujitsu Ltd | Optical reception circuit |
-
1986
- 1986-06-30 JP JP1986099944U patent/JPS635715U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4874766A (en) * | 1971-12-30 | 1973-10-08 | ||
| JPS6143004A (en) * | 1984-08-03 | 1986-03-01 | Fujitsu Ltd | Optical reception circuit |
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