JPS63144736U - - Google Patents
Info
- Publication number
- JPS63144736U JPS63144736U JP1986170427U JP17042786U JPS63144736U JP S63144736 U JPS63144736 U JP S63144736U JP 1986170427 U JP1986170427 U JP 1986170427U JP 17042786 U JP17042786 U JP 17042786U JP S63144736 U JPS63144736 U JP S63144736U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- outputs
- electrical signal
- inverted
- electrical
- 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
- 238000010586 diagram Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Electronic Switches (AREA)
- Optical Communication System (AREA)
Description
第１図はこの考案の一実施例を示すブロツク図
、第２図は第１図における積分器の内部を示す図
、第３図は従来のレーザー送信装置の一例を示す
図、第４図は第３図における差動増幅器の内部を
示す図である。
図中、１はパルス入力信号、２はパルス制御信
号、３はレーザーダイオード、４はレーザー光、
５はアバランシエフオトダイオード、６は第１の
電気信号、７は増幅器、８は第２の電気信号、９
は基準電圧発生器、１０は基準信号、１１は差動
増幅器、１２はフイードバツク信号、１３は極性
反転器、１４は反転信号、１５は積分器、Ｒ１は
第１の抵抗、Ｒ２は第２の抵抗、Ｒ３は第３の抵
抗、Ｃ１はコンデンサ、Ｕ１はオペアンプである
。なお、各図中同一符号は同一または相当部分を
示す。
Figure 1 is a block diagram showing an embodiment of this invention, Figure 2 is a diagram showing the inside of the integrator in Figure 1, Figure 3 is a diagram showing an example of a conventional laser transmitter, and Figure 4 is a diagram showing an example of a conventional laser transmitter. FIG. 4 is a diagram showing the inside of the differential amplifier in FIG. 3; In the figure, 1 is a pulse input signal, 2 is a pulse control signal, 3 is a laser diode, 4 is a laser beam,
5 is an avalanche photodiode, 6 is a first electrical signal, 7 is an amplifier, 8 is a second electrical signal, 9
is a reference voltage generator, 10 is a reference signal, 11 is a differential amplifier, 12 is a feedback signal, 13 is a polarity inverter, 14 is an inverted signal, 15 is an integrator, R1 is a first resistor, and R2 is a second resistor. A resistor, R3 is a third resistor, C1 is a capacitor, and U1 is an operational amplifier. Note that the same reference numerals in each figure indicate the same or corresponding parts.
補正 昭６３．４．１９ 考案の名称を次のように補正する。 考案の名称 レーザー送信装置Correction April 19, 1983 The name of the invention is amended as follows. Name of invention Laser transmitter
Claims (1)
引いて得られるパルス制御信号を入力することに
より、レーザ光を出力するレーザーダイオードと
、前記レーザ光を第１の電気信号に変換するアバ
ランシエフオトダイオードと、前記第１の電気信
号を増幅し、前記第１の電気信号に比例した第２
の電気信号を出力する増幅器と、前記第２の電気
信号の極性を反転し、反転信号として出力する極
性反転器と、前記反転信号と基準電圧発生器より
出力される基準信号を入力することにより、前記
反転信号と前記基準信号の差分を積分し、上記フ
イードバツク信号として出力する積分器により構
成したことを特徴とするレーザー送信装置。 a laser diode that outputs a laser beam by inputting a pulse control signal obtained by subtracting a feedback signal from a pulse input signal; an avalanche photodiode that converts the laser beam into a first electrical signal; a second electrical signal proportional to the first electrical signal;
an amplifier that outputs an electrical signal; a polarity inverter that inverts the polarity of the second electrical signal and outputs it as an inverted signal; and the inverted signal and a reference signal output from a reference voltage generator. , a laser transmitter comprising an integrator that integrates the difference between the inverted signal and the reference signal and outputs the result as the feedback signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986170427U JPS63144736U (en) | 1986-11-06 | 1986-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986170427U JPS63144736U (en) | 1986-11-06 | 1986-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63144736U true JPS63144736U (en) | 1988-09-22 |
Family
ID=31105149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986170427U Pending JPS63144736U (en) | 1986-11-06 | 1986-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63144736U (en) |
-
1986
- 1986-11-06 JP JP1986170427U patent/JPS63144736U/ja active Pending
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