JPS60108057U

JPS60108057U - optical transmitter

Info

Publication number: JPS60108057U
Application number: JP1983203790U
Authority: JP
Inventors: 和男長谷川
Original assignee: ミツミ電機株式会社
Priority date: 1983-12-26
Filing date: 1983-12-26
Publication date: 1985-07-23

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の光通信装置各部の一例の周波数特性図１
、第２図は本考案になる光送信装置の一実施例の回路図
、第３図は本考案装置を適用した光通信装置各部の一実
施例の周波数特性図である。ｌａ、ｌｂ・・・端子、２・・・電源端子、３・・・発
光ダイオード（ＬＥＤ）、Ｃ１〜Ｃ５−・・コンデンサ
、Ｒ１−Ｒ５・・・抵抗、ＶＲ・・・可変抵抗、Ｑ□・
・・トランジスタ。Figure 1 is a frequency characteristic diagram of an example of each part of a conventional optical communication device.
, FIG. 2 is a circuit diagram of an embodiment of the optical transmission device according to the present invention, and FIG. 3 is a frequency characteristic diagram of an embodiment of each part of an optical communication device to which the device of the present invention is applied. la, lb... terminal, 2... power supply terminal, 3... light emitting diode (LED), C1-C5-... capacitor, R1-R5... resistor, VR... variable resistor, Q□・
...Transistor.

Claims

[Scope of utility model registration request]

In an optical transmitting device that transmits modulated light obtained by amplitude modulating light using a transmission signal in a predetermined frequency band, an amplifier circuit that amplifies the transmission signal has a frequency range higher than the lower frequency range of the transmission signal. An optical transmitter including a circuit element that increases the emission level of modulated light.