JPH0262821U - - Google Patents
Info
- Publication number
- JPH0262821U JPH0262821U JP1988141529U JP14152988U JPH0262821U JP H0262821 U JPH0262821 U JP H0262821U JP 1988141529 U JP1988141529 U JP 1988141529U JP 14152988 U JP14152988 U JP 14152988U JP H0262821 U JPH0262821 U JP H0262821U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- amplifier circuit
- detection circuit
- midpoint
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 2
Landscapes
- Amplifiers (AREA)
- Optical Communication System (AREA)
Description
第１図は本考案の一実施例を示す基本回路図、
第２図は第１図の具体的構成を示す回路図、第３
図は本考案の他の実施例を示す回路図、第４図は
本考案の適用例を示す図、第５図は従来の非明り
受信回路を示す図である。
図中、１は受信素子バイアス用電源端子、２は
受光素子、３はトランスインピーダンス型増幅回
路、８は帰還抵抗、１０は信号出力端子、１１は
最大電圧検出回路、１２は最小電圧検出回路、１
３は中点電圧検出回路、１６は中点電圧出力端子
、１９は最大電圧保持用コンデンサ、２３は最小
電圧保持用コンデンサを示す。
FIG. 1 is a basic circuit diagram showing an embodiment of the present invention.
Figure 2 is a circuit diagram showing the specific configuration of Figure 1;
FIG. 4 is a circuit diagram showing another embodiment of the present invention, FIG. 4 is a diagram showing an application example of the present invention, and FIG. 5 is a diagram showing a conventional non-bright receiving circuit. In the figure, 1 is a receiving element bias power supply terminal, 2 is a light receiving element, 3 is a transimpedance type amplifier circuit, 8 is a feedback resistor, 10 is a signal output terminal, 11 is a maximum voltage detection circuit, 12 is a minimum voltage detection circuit, 1
3 is a midpoint voltage detection circuit, 16 is a midpoint voltage output terminal, 19 is a maximum voltage holding capacitor, and 23 is a minimum voltage holding capacitor.
Claims (1)
とからなる光受信用増幅回路と、該トランスイン
ピーダンス型増幅回路の出力信号の最大電圧と最
小電圧をそれぞれ検出する最大電圧検出回路及び
最小電圧検出回路と、検出された最大電圧と最小
電圧を受けてその中点電圧を作成する中点電圧検
出回路とを設け、上記トランスインピーダンス型
増幅回路の出力信号と上記中点電圧とをそれぞれ
出力することを特徴とする光受信回路。 An optical receiving amplifier circuit including a transimpedance amplifier circuit and a light receiving element; a maximum voltage detection circuit and a minimum voltage detection circuit that respectively detect the maximum voltage and minimum voltage of the output signal of the transimpedance amplifier circuit; a midpoint voltage detection circuit that receives a maximum voltage and a minimum voltage and generates a midpoint voltage thereof, and outputs an output signal of the transimpedance type amplifier circuit and the midpoint voltage, respectively. receiving circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988141529U JPH0262821U (en) | 1988-10-28 | 1988-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988141529U JPH0262821U (en) | 1988-10-28 | 1988-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0262821U true JPH0262821U (en) | 1990-05-10 |
Family
ID=31406672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988141529U Pending JPH0262821U (en) | 1988-10-28 | 1988-10-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0262821U (en) |
-
1988
- 1988-10-28 JP JP1988141529U patent/JPH0262821U/ja active Pending