JPH0480142U - - Google Patents
Info
- Publication number
- JPH0480142U JPH0480142U JP1990124083U JP12408390U JPH0480142U JP H0480142 U JPH0480142 U JP H0480142U JP 1990124083 U JP1990124083 U JP 1990124083U JP 12408390 U JP12408390 U JP 12408390U JP H0480142 U JPH0480142 U JP H0480142U
- Authority
- JP
- Japan
- Prior art keywords
- converter
- movable part
- controlled variable
- variable element
- sliding terminal
- 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
- 230000003321 amplification Effects 0.000 claims 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Transceivers (AREA)
- Transmitters (AREA)
Description
第１図、第２図は制御対象とする簡単な同調回
路、第３図は本考案による位置制御回路の一実施
例を示すブロツク図、第４図は従来の位置制御回
路を示すブロツク図である。
１……被制御可変素子、２……連続可変抵抗器
、３……Ａ／Ｄ変換器、４……希望位置データ発
生器、５……誤差判別器、６……駆動回路、７…
…増幅器、８……リミツタ。
1 and 2 are simple tuning circuits to be controlled, FIG. 3 is a block diagram showing an embodiment of the position control circuit according to the present invention, and FIG. 4 is a block diagram showing a conventional position control circuit. be. DESCRIPTION OF SYMBOLS 1... Controlled variable element, 2... Continuous variable resistor, 3... A/D converter, 4... Desired position data generator, 5... Error discriminator, 6... Drive circuit, 7...
...Amplifier, 8...Limitsuta.
Claims (1)
有し両端に直流電圧が印加された連続可変抵抗器
と、該摺動端子から検出される直流電圧をデイジ
タル信号に変換するＡ／Ｄ変換器とを備え、該Ａ
／Ｄ変換器の出力と被制御可変素子の可動部の位
置を指定する位置データとを比較してその差が零
になるように被制御可変素子の可動部の位置を制
御する位置制御回路において、 前記連続可変抵抗器の摺動端子と前記Ａ／Ｄ変
換器との間に電圧増幅度を階段状に変更設定可能
な増幅器を設け、該増幅器の増幅度を前記被制御
可変素子の可動部の可変領域に応じて設定するこ
とにより所望の制御精度を得るように構成したこ
とを特徴とする位置制御回路。[Claims for Utility Model Registration] A continuous variable resistor having a sliding terminal interlocked with a movable part of a controlled variable element and having a DC voltage applied to both ends, and a DC voltage detected from the sliding terminal being digitally transmitted. and an A/D converter for converting the A/D converter into a signal.
In a position control circuit that compares the output of the /D converter with position data specifying the position of the movable part of the controlled variable element and controls the position of the movable part of the controlled variable element so that the difference becomes zero. , an amplifier capable of changing and setting the voltage amplification degree stepwise is provided between the sliding terminal of the continuous variable resistor and the A/D converter, and the amplification degree of the amplifier is set by the movable part of the controlled variable element. A position control circuit characterized in that it is configured to obtain a desired control accuracy by setting according to a variable region of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990124083U JPH0480142U (en) | 1990-11-26 | 1990-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990124083U JPH0480142U (en) | 1990-11-26 | 1990-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0480142U true JPH0480142U (en) | 1992-07-13 |
Family
ID=31871754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990124083U Pending JPH0480142U (en) | 1990-11-26 | 1990-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0480142U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5513410B2 (en) * | 1974-04-17 | 1980-04-09 | ||
| JPS61163721A (en) * | 1985-01-14 | 1986-07-24 | Fuji Electric Co Ltd | Analog input system |
| JPH02154513A (en) * | 1988-12-06 | 1990-06-13 | Kokusai Electric Co Ltd | Position detection control circuit |
-
1990
- 1990-11-26 JP JP1990124083U patent/JPH0480142U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5513410B2 (en) * | 1974-04-17 | 1980-04-09 | ||
| JPS61163721A (en) * | 1985-01-14 | 1986-07-24 | Fuji Electric Co Ltd | Analog input system |
| JPH02154513A (en) * | 1988-12-06 | 1990-06-13 | Kokusai Electric Co Ltd | Position detection control circuit |
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