JPH0282142U - - Google Patents
Info
- Publication number
- JPH0282142U JPH0282142U JP1988161580U JP16158088U JPH0282142U JP H0282142 U JPH0282142 U JP H0282142U JP 1988161580 U JP1988161580 U JP 1988161580U JP 16158088 U JP16158088 U JP 16158088U JP H0282142 U JPH0282142 U JP H0282142U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- bias voltage
- light receiving
- receiving element
- optical
- 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
- 230000005540 biological transmission Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Optical Communication System (AREA)
Description
第１図は本考案になる光受信回路の一実施例を
示す回路図、第２図はピンフオトダイオードの逆
バイアス電圧対接合容量特性、第３図は第１図に
示した光受信回路の等価回路、第４図は第２の実
施例を示す回路図、第５図は第３の実施例を示す
回路図、第６図は光受信回路の基本的な構成を示
す図、第７図はピンフオトダイオードの等価回路
、第８図は第６図の等価回路、第９図、第１０図
、第１１図Ａ及びＢ、第１２図は従来例を示す図
である。
１……ピンフオトダイオード、２……インダク
タンス素子、４……負荷抵抗、５……直流電源、
６……可変抵抗、８……サーミスタ。
Figure 1 is a circuit diagram showing an embodiment of the optical receiver circuit according to the present invention, Figure 2 is the reverse bias voltage versus junction capacitance characteristic of a pin photo diode, and Figure 3 is a diagram of the optical receiver circuit shown in Figure 1. Equivalent circuit, Fig. 4 is a circuit diagram showing the second embodiment, Fig. 5 is a circuit diagram showing the third embodiment, Fig. 6 is a diagram showing the basic configuration of the optical receiving circuit, Fig. 7 8 is an equivalent circuit of a pin photodiode, FIG. 8 is an equivalent circuit of FIG. 6, FIG. 9, FIG. 10, FIG. 11 A and B, and FIG. 12 are diagrams showing a conventional example. 1... Pin photodiode, 2... Inductance element, 4... Load resistance, 5... DC power supply,
6...Variable resistor, 8...Thermistor.
補正 平１．１１．３０
図面の簡単な説明を次のように補正する。
明細書１４頁７行目の「特性」を「特性を示す
図」と補正する。Amendment 1.11.30 Hei 1. The brief description of the drawing is amended as follows. "Characteristics" on page 14, line 7 of the specification is amended to read "diagram showing characteristics."
Claims (1)
に直列または並列に接続されたインダクタンス素
子とで構成された共振回路と、前記受光素子にバ
イアス電圧を印加する可変バイアス電圧供給回路
とからなり、 前記バイアス電圧を可変して、前記共振回路の
共振周波数を前記光伝送の伝送周波数に一致させ
たことを特徴とする光受信回路。[Claims for Utility Model Registration] An optical receiving circuit in an optical transmission device, comprising: a resonant circuit comprising a light receiving element itself having a junction capacitance and an inductance element connected in series or parallel to the light receiving element; An optical receiver circuit comprising: a variable bias voltage supply circuit that applies a bias voltage to a light receiving element, the bias voltage being varied to match the resonant frequency of the resonant circuit with the transmission frequency of the optical transmission. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988161580U JPH0282142U (en) | 1988-12-13 | 1988-12-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988161580U JPH0282142U (en) | 1988-12-13 | 1988-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0282142U true JPH0282142U (en) | 1990-06-25 |
Family
ID=31444646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988161580U Pending JPH0282142U (en) | 1988-12-13 | 1988-12-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0282142U (en) |
-
1988
- 1988-12-13 JP JP1988161580U patent/JPH0282142U/ja active Pending