JPS63167395U - - Google Patents
Info
- Publication number
- JPS63167395U JPS63167395U JP1987060012U JP6001287U JPS63167395U JP S63167395 U JPS63167395 U JP S63167395U JP 1987060012 U JP1987060012 U JP 1987060012U JP 6001287 U JP6001287 U JP 6001287U JP S63167395 U JPS63167395 U JP S63167395U
- Authority
- JP
- Japan
- Prior art keywords
- operational amplifier
- inverting input
- input terminal
- motor
- resistor provided
- 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 3
Landscapes
- Control Of Direct Current Motors (AREA)
Description
第１図および第２図はこの考案のモータ駆動回
路の１実施例を示し、第１図は結線図、第２図ａ
〜ｃは各種信号波形図、第３図は従来例の結線図
である。
１１…演算増幅器、２０…モータ、２４，２６
，２８…抵抗、２７…直列回路、２９…トランジ
スタ。
Figures 1 and 2 show one embodiment of the motor drive circuit of this invention, Figure 1 is a wiring diagram, Figure 2 is a
-c are various signal waveform diagrams, and FIG. 3 is a connection diagram of a conventional example. 11... operational amplifier, 20... motor, 24, 26
, 28...Resistor, 27...Series circuit, 29...Transistor.
Claims (1)
幅器と、 前記演算増幅器の出力により駆動されるモータ
と、 前記演算増幅器の出力端子と反転入力端子との
間に設けられた帰還用抵抗と、 前記演算増幅器の反転入力端子とアースとの間
に設けられたゲイン設定用抵抗と、 前記ゲイン設定用抵抗に並列に設けられたゲイ
ン切換用抵抗とスイツチング素子との直列回路と
、 前記スイツチング素子の制御端子にオン、オフ
指令信号を出力する指令信号出力部と を備えたモータ駆動回路。[Claims for Utility Model Registration] An operational amplifier that amplifies a drive signal to a non-inverting input terminal; a motor driven by the output of the operational amplifier; and a motor provided between the output terminal of the operational amplifier and the inverting input terminal. a feedback resistor provided in the operational amplifier; a gain setting resistor provided between the inverting input terminal of the operational amplifier and ground; and a gain switching resistor provided in parallel with the gain setting resistor and a switching element connected in series. A motor drive circuit comprising: a circuit; and a command signal output section that outputs an on/off command signal to a control terminal of the switching element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987060012U JPS63167395U (en) | 1987-04-20 | 1987-04-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987060012U JPS63167395U (en) | 1987-04-20 | 1987-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63167395U true JPS63167395U (en) | 1988-10-31 |
Family
ID=30892046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987060012U Pending JPS63167395U (en) | 1987-04-20 | 1987-04-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63167395U (en) |
-
1987
- 1987-04-20 JP JP1987060012U patent/JPS63167395U/ja active Pending