JPS62171020U - - Google Patents
Info
- Publication number
- JPS62171020U JPS62171020U JP5889486U JP5889486U JPS62171020U JP S62171020 U JPS62171020 U JP S62171020U JP 5889486 U JP5889486 U JP 5889486U JP 5889486 U JP5889486 U JP 5889486U JP S62171020 U JPS62171020 U JP S62171020U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- actuator
- resonance point
- low frequency
- point correction
- 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
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Optical Recording Or Reproduction (AREA)
- Networks Using Active Elements (AREA)
Description
第１図は本考案の基本構成とそれによるアクチ
ユエータの特性補正を示す図、第２図、第３図は
１実施例の回路図と伝達特性図、第４図、第５図
は実施例の次段回路との接続関係を示す図、第６
図は補正効果を示すボーデ図の１例、第７図はデ
イスク規格とアクチユエータの伝達特性との関係
連を説明する図である。
１……演算増幅器、２……係数器、３……合成
器、１０……２次低域通過フイルタ、１１……合
成器、１２……補正回路、１３……ドライバ、１
４……アクチユエータ。
Fig. 1 is a diagram showing the basic configuration of the present invention and correction of actuator characteristics based on it, Figs. 2 and 3 are circuit diagrams and transfer characteristic diagrams of one embodiment, and Figs. 4 and 5 are diagrams of the embodiment. Diagram showing the connection relationship with the next stage circuit, No. 6
The figure is an example of a Bode diagram showing the correction effect, and FIG. 7 is a diagram illustrating the relationship between the disk standard and the transfer characteristic of the actuator. 1...Operation amplifier, 2...Coefficient unit, 3...Synthesizer, 10...Second-order low-pass filter, 11...Synthesizer, 12...Correction circuit, 13...Driver, 1
4... Actuator.
Claims (1)
アクチユエータの特性を補正する回路であつて、 １次特性回路と、該１次特性回路の利得に対し
て高い低周波利得を有する２次低域通過フイルタ
特性回路とを並列接続してなり、前記アクチユエ
ータの共振点を実効的に低周波に移動させること
を特徴とする共振点補正回路。[Claims for Utility Model Registration] A circuit connected in series to an actuator of an optical head to correct the characteristics of the actuator, the circuit comprising a primary characteristic circuit and a low frequency gain higher than the gain of the primary characteristic circuit. A resonance point correction circuit, characterized in that the resonance point correction circuit is connected in parallel with a second-order low-pass filter characteristic circuit having the following characteristics, and effectively moves the resonance point of the actuator to a low frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5889486U JPS62171020U (en) | 1986-04-21 | 1986-04-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5889486U JPS62171020U (en) | 1986-04-21 | 1986-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62171020U true JPS62171020U (en) | 1987-10-30 |
Family
ID=30889878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5889486U Pending JPS62171020U (en) | 1986-04-21 | 1986-04-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62171020U (en) |
-
1986
- 1986-04-21 JP JP5889486U patent/JPS62171020U/ja active Pending
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