JPH0359657U - - Google Patents
Info
- Publication number
- JPH0359657U JPH0359657U JP11987689U JP11987689U JPH0359657U JP H0359657 U JPH0359657 U JP H0359657U JP 11987689 U JP11987689 U JP 11987689U JP 11987689 U JP11987689 U JP 11987689U JP H0359657 U JPH0359657 U JP H0359657U
- Authority
- JP
- Japan
- Prior art keywords
- laser diode
- diode
- voltage
- threshold voltage
- zener diode
- 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
- 230000015556 catabolic process Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１図はこの考案の一実施例によるレーザダイ
オード回路図、第２図は従来のレーザダイオード
回路図である。
１……レーザダイオード、２……抵抗、３……
ツエナーダイオード。なお、図中、同一符号は同
一、又は相当部分を示す。
FIG. 1 is a circuit diagram of a laser diode according to an embodiment of this invention, and FIG. 2 is a circuit diagram of a conventional laser diode. 1... Laser diode, 2... Resistor, 3...
Zener diode. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
逆並列接続されたレーザダイオード回路において
、前記ツエナーダイオードの降伏電圧が前記レー
ザダイオードのしきい値電圧より低く設定し、か
つ、前記ツエナーダイオードの降伏電圧と前記レ
ーザダイオードのしきい値電圧との差が高温で小
さくなる温度特性を有するように設定し、かつ、
前記レーザダイオードの動作電圧における微分抵
抗と前記ツエナーダイオードの上記動作電圧にお
ける微分抵抗とが1/10〜１０倍以内の値であるこ
とを特徴とするレーザダイオード回路。 In a laser diode circuit in which a laser diode and a Zener diode are connected in antiparallel, the breakdown voltage of the Zener diode is set lower than the threshold voltage of the laser diode, and the breakdown voltage of the Zener diode and the laser diode are set to be lower than the threshold voltage of the laser diode. is set to have temperature characteristics such that the difference from the threshold voltage becomes smaller at high temperatures, and
A laser diode circuit characterized in that the differential resistance of the laser diode at the operating voltage and the differential resistance of the Zener diode at the operating voltage are within 1/10 to 10 times the value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11987689U JPH0359657U (en) | 1989-10-14 | 1989-10-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11987689U JPH0359657U (en) | 1989-10-14 | 1989-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0359657U true JPH0359657U (en) | 1991-06-12 |
Family
ID=31667972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11987689U Pending JPH0359657U (en) | 1989-10-14 | 1989-10-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0359657U (en) |
-
1989
- 1989-10-14 JP JP11987689U patent/JPH0359657U/ja active Pending
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