JPS5989268U - Optical/electrical measurement circuit - Google Patents
Optical/electrical measurement circuitInfo
- Publication number
- JPS5989268U JPS5989268U JP18554082U JP18554082U JPS5989268U JP S5989268 U JPS5989268 U JP S5989268U JP 18554082 U JP18554082 U JP 18554082U JP 18554082 U JP18554082 U JP 18554082U JP S5989268 U JPS5989268 U JP S5989268U
- Authority
- JP
- Japan
- Prior art keywords
- input terminal
- optical
- differential amplifier
- measurement circuit
- signal
- 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
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
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
第１図は従来公知の光・電計測回路の構成を示す。第２
図は本考案の実施例の構成を示す。
１．２・・・第１、第２の光検出素子、３．４・・・第
１、第２の差動増幅器、５・・・減算回路、６・・・加
算回路、７・・・発光ダイオード駆動回路、８・・・発
光ダイオード、９ａ−９−９ｂ・・・光ファイバー、１
′０ａ−１０−１０ｂ−・・光ファイバー、１ｌａ−１
１−１１１ｂ・・・光ファイバー、ＭＯＤ・・・光変調
器、２１・・・ベース成分帰還回路。FIG. 1 shows the configuration of a conventionally known optical/electronic measurement circuit. Second
The figure shows the configuration of an embodiment of the present invention. 1.2... First and second photodetecting elements, 3.4... First and second differential amplifiers, 5... Subtraction circuit, 6... Addition circuit, 7... Light emitting diode drive circuit, 8... Light emitting diode, 9a-9-9b... Optical fiber, 1
'0a-10-10b--optical fiber, 1la-1
1-111b...Optical fiber, MOD...Optical modulator, 21...Base component feedback circuit.
Claims (1)
第１、第２の光強度の変調信号をそれぞれ第１、第２の
電気的変調信号に変換する第１、第２の光検出素子、第
１、第２の光検出素子に対応して設けられている第１、
第２の差動増幅器、および前記第１、第２の差動増幅器
の出力信号の、和を演算する加算回路を含み、前記第１
、第２の差動増幅器の一方の入力端にそれぞれ前記第１
、第２の電気的変調信号を加え他方の入力端にそれぞれ
前記加算回路の出力信号を帰還し前記第１、第２の差動
増幅器は各増幅器に加えられる第１、第２の電気的変調
信号からそのベース成分を除去した変調成分のみを増幅
するように構成されている光・電計測回路。first and second photodetectors that convert first and second light intensity modulation signals containing modulation components proportional to the measured quantity and having mutually opposite polarities into first and second electrical modulation signals, respectively; a first photodetecting element provided corresponding to the first and second photodetecting elements;
a second differential amplifier; and an adder circuit for calculating the sum of the output signals of the first and second differential amplifiers;
, the first differential amplifier is connected to one input terminal of the second differential amplifier.
, a second electrical modulation signal is applied to each input terminal, and the output signal of the adder circuit is fed back to the other input terminal, and the first and second differential amplifiers receive the first and second electrical modulation signals applied to each amplifier. An optical/electronic measurement circuit that is configured to amplify only the modulated component by removing the base component from the signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18554082U JPS5989268U (en) | 1982-12-08 | 1982-12-08 | Optical/electrical measurement circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18554082U JPS5989268U (en) | 1982-12-08 | 1982-12-08 | Optical/electrical measurement circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5989268U true JPS5989268U (en) | 1984-06-16 |
Family
ID=30400999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18554082U Pending JPS5989268U (en) | 1982-12-08 | 1982-12-08 | Optical/electrical measurement circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5989268U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220100649A (en) | 2020-06-08 | 2022-07-15 | 니뽄 도쿠슈 도교 가부시키가이샤 | A fluorescent plate, a wavelength conversion member, and a light source device |
| KR20220100648A (en) | 2020-06-08 | 2022-07-15 | 니뽄 도쿠슈 도교 가부시키가이샤 | A fluorescent plate, a wavelength conversion member, and a light source device |
-
1982
- 1982-12-08 JP JP18554082U patent/JPS5989268U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220100649A (en) | 2020-06-08 | 2022-07-15 | 니뽄 도쿠슈 도교 가부시키가이샤 | A fluorescent plate, a wavelength conversion member, and a light source device |
| KR20220100648A (en) | 2020-06-08 | 2022-07-15 | 니뽄 도쿠슈 도교 가부시키가이샤 | A fluorescent plate, a wavelength conversion member, and a light source device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5989268U (en) | Optical/electrical measurement circuit | |
| JPS58129757U (en) | Optical output control circuit | |
| JPS6063822U (en) | light modulator | |
| JPS60111204U (en) | Fiber optic displacement meter | |
| JPS5933354U (en) | optical transmission circuit | |
| JPS6035620U (en) | Optical-electrical conversion amplifier | |
| JPS5929816U (en) | photodetector | |
| JPS58109035U (en) | Photometric circuit | |
| JPH055466Y2 (en) | ||
| JPS60150846U (en) | Receiving device for optical transmission video signals | |
| JPS60172444U (en) | modulator | |
| JPS5827735U (en) | photoelectric converter | |
| JPS59138717U (en) | optical sensor device | |
| JPS5886555U (en) | light irradiation densitometer | |
| JPS59157238U (en) | Photocoupler device | |
| JPS60193733U (en) | Light emitting element drive circuit | |
| JPS601044U (en) | photoelectric switch | |
| JPS58107656U (en) | Light emitting element drive device | |
| JPS62177116U (en) | ||
| JPS59106030U (en) | Optical measurement equipment | |
| JPS611954U (en) | Optical digital signal receiving circuit | |
| JPS6066143U (en) | Optical space transmission method | |
| JPS5934318U (en) | optical sensor | |
| JPS59161661U (en) | Linear light output light emitting semiconductor device | |
| JPS6010399U (en) | optical transmission equipment |